FL914 – Steering Shaft May Separate From Steering Gear – 2021-2022 Western Star 4900

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Defect Information Report (Section 573.6) FL-914 Date of Submission: December 8, 2021 Manufacturer: Daimler Trucks North America LLC P.O. BOX 3849 Portland, Oregon 97208 Type of Report: X Safety Defect ⃝ Non-Compliance Vehicle Information Model Yr. Start: 2021 Model Yr. End: 2022 Make: Western Star Model: 4900 Production Dates: Begin: 10/28/2020 End: 11/01/2021 Descriptive Information: Certain vehicles that had steering related components installed in a postproduction offline process at the Portland Oregon manufacturing plant during a limited period of time. Number potentially involved: 21 Estimated percentage of involve with defect: 1% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: On certain vehicles that went through a post-production (“offline”) installation process, the steering shaft may not have been properly installed. If the steering shaft has not been properly installed, it may separate from the steering gear resulting in a loss of steering control. Describe the safety risk: A loss of steering control may lead to a vehicle crash. Identify any warning which can precede or occur: N/A If applicable, identify the manufacture of the defective or noncompliant component.: N/A Involved Components Component Name: Pinch Bolt Component Description: Steering Pinch Bolt Component Part Number: 14-18773-001 Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision. In November 2021, DTNA received the first report of a vehicle where the steering shaft became disconnected at the base of the steering column assembly in a vehicle traveling at low speed, resulting in neither an accident nor an injury. Within the same month, it was found that the pinch bolt was not properly torqued. DTNA promptly began a review of the installation process, which continued into early December and found that certain vehicles which had steering related part shortages and were consequently taken off the manufacturing line for post-process part installation in offline, the inspection of the upper pinch bolt may not have been done properly. Plant inspections found no additional vehicles where the steering shaft was not properly installed. The investigation isolated the issue to certain vehicles produced at one manufacturing plant and a short window of time. Early in December 2021 when the investigation had determined the facts, out of an abundance of caution, DTNA promptly released a recall. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. Vehicles will be inspected to ensure that the steering shaft is properly installed and, if not properly installed, the pinch bolt will be replaced. Repairs will be performed by Daimler Trucks North America authorized service facilities. Details of the reimbursement plan will be included in the owner’s notification letter. Identify the Recall Schedule Describe the recall schedule for notifications.: Customer notification will be made by first class mail using Daimler Trucks North America records to determine the customers affected. Planned Dealer Notification Begin Date: 02/05/2022 Planned Dealer Notification End Date: 02/05/2022 Planned Owner Notification Begin Date: 02/05/2022 Planned Owner Notification End Date: 02/05/2022 Manufacture’s identification code for this recall (if applicable): FL-914 DTNA Representative; Tiffani Torgeson Manager Compliance and Regulatory Affairs

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Defect Information Report (Section 573.6) FL-914 Date of Submission: December 8, 2021 Manufacturer: Daimler Trucks North America LLC P.O. BOX 3849 Portland, Oregon 97208 Type of Report: X Safety Defect ⃝ Non-Compliance Vehicle Information Model Yr. Start: 2021 Model Yr. End: 2022 Make: Western Star Model: 4900 Production Dates: Begin: 10/28/2020 End: 11/01/2021 Descriptive Information: Certain vehicles that had steering related components installed in a postproduction offline process at the Portland Oregon manufacturing plant during a limited period of time. Number potentially involved: 21 Estimated percentage of involve with defect: 1% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: On certain vehicles that went through a post-production (“offline”) installation process, the steering shaft may not have been properly installed. If the steering shaft has not been properly installed, it may separate from the steering gear resulting in a loss of steering control. Describe the safety risk: A loss of steering control may lead to a vehicle crash. Identify any warning which can precede or occur: N/A If applicable, identify the manufacture of the defective or noncompliant component.: N/A Involved Components Component Name: Pinch Bolt Component Description: Steering Pinch Bolt Component Part Number: 14-18773-001 Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision. In November 2021, DTNA received the first report of a vehicle where the steering shaft became disconnected at the base of the steering column assembly in a vehicle traveling at low speed, resulting in neither an accident nor an injury. Within the same month, it was found that the pinch bolt was not properly torqued. DTNA promptly began a review of the installation process, which continued into early December and found that certain vehicles which had steering related part shortages and were consequently taken off the manufacturing line for post-process part installation in offline, the inspection of the upper pinch bolt may not have been done properly. Plant inspections found no additional vehicles where the steering shaft was not properly installed. The investigation isolated the issue to certain vehicles produced at one manufacturing plant and a short window of time. Early in December 2021 when the investigation had determined the facts, out of an abundance of caution, DTNA promptly released a recall. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. Vehicles will be inspected to ensure that the steering shaft is properly installed and repaired as necessary. Repairs will be performed by Daimler Trucks North America authorized service facilities. Details of the reimbursement plan will be included in the owner’s notification letter. Identify the Recall Schedule Describe the recall schedule for notifications.: Customer notification will be made by first class mail using Daimler Trucks North America records to determine the customers affected. Planned Dealer Notification Begin Date: 02/05/2022 Planned Dealer Notification End Date: 02/05/2022 Planned Owner Notification Begin Date: 02/05/2022 Planned Owner Notification End Date: 02/05/2022 Manufacture’s identification code for this recall (if applicable): FL-914 DTNA Representative; Tiffani Torgeson Manager Compliance and Regulatory Affairs

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Daimler Trucks North America LLC February 2022 FL914A Interim Recall Notice NHTSA # 21V-946 IMPORTANT SAFETY RECALL See enclosed VIN list Subject: Western Star 4900 Steering Column Pinch Bolt This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Daimler Trucks North America LLC (DTNA), on behalf of its Freightliner Trucks Division, and wholly owned subsidiary, Western Star Truck Sales, Inc., has decided that a defect which relates to motor vehicle safety exists on specific model year 2021-2022 Western Star 4900 model vehicles manufactured October 28, 2020, through November 1, 2022. On certain vehicles, the steering shaft may not have been properly installed. An improper installed steering shaft may separate from the steering gear, resulting in a loss of steering control. A loss of steering control may lead to a vehicle crash. This is the first of two notices you will receive regarding this subject. This letter is to inform you of an upcoming Recall to correct the issue noted above. Daimler Trucks is currently securing replacement parts. There is no action for you to take at this time. The second notice will inform you when the final remedy is available. When you receive the second notice, please contact your authorized Daimler Trucks North America dealer to schedule the Recall for your vehicle. If you do not own the vehicle that corresponds to the identification number(s) which appears on the Recall Notification, please return the notification to the Warranty Campaigns Department with any information you can furnish that will assist us in locating the present owner. If you have leased this vehicle, Federal law requires that you forward this notice to the lessee within 10 days. If you are a subsequent stage manufacturer, Federal law requires that you forward this notice to your distributors and retail outlets within five working days. If you have questions about this Recall, please contact the Warranty Campaigns Department at (800) 547-0712, 7:00 a.m. to 4:00 p.m. Pacific Time, Monday through Friday, e-mail address dtna.warranty.campaigns@daimlertruck.com. For other concerns, you may contact the Customer Assistance Center at (800) 385-4357. If you are not able to have the defect remedied without charge and within a reasonable time, you may wish to submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590; or call the Vehicle Safety Hotline at (888) 327-4236 (TTY: 800-424-9153); or go to http://www.nhtsa.gov. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Trucks North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone

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Daimler Trucks North America LLC February 2022 FL914A NHTSA # 21V-946 IMPORTANT SAFETY RECALL See enclosed VIN list Subject: Western Star 4900 Steering Column Pinch Bolt This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Daimler Trucks North America LLC (DTNA), on behalf of its Freightliner Trucks Division, and wholly owned subsidiary, Western Star Truck Sales, Inc., has decided that a defect which relates to motor vehicle safety exists on specific model year 2021-2022 Western Star 4900 model vehicles manufactured October 28, 2020, through November 1, 2022. On certain vehicles, the steering shaft may not have been properly installed. An improper installed steering shaft may separate from the steering gear, resulting in a loss of steering control. A loss of steering control may lead to a vehicle crash. Vehicles will be inspected to ensure the steering shaft is properly installed and repaired as necessary. Repairs will be performed by Daimler Trucks North America authorized service facilities. Please contact an authorized Daimler Trucks North America dealer to arrange to have the Recall performed and to ensure that parts are available at the dealership. The Recall will take approximately one half hour and will be performed at no charge to you. To locate an authorized dealer, search online at Daimler-TrucksNorthAmerica.com/Contact-us. Scroll down to “Locate a Dealer” and select the appropriate brand. You may also confirm your vehicle’s involvement in this recall at this URL: https://dtna-dlrinfo.prd.freightliner.com:48518/VinLookup/vin-module/getVinLookupPage. You may be liable for any progressive damage that results from your failure to complete the Recall within a reasonable time after receiving notification. If you do not own the vehicle that corresponds to the identification number(s) which appears on the Recall Notification, please return the notification to the Warranty Campaigns Department with any information you can furnish that will assist us in locating the present owner. If you have leased this vehicle, Federal law requires that you forward this notice to the lessee within 10 days. If you are a subsequent stage manufacturer, Federal law requires that you forward this notice to your distributors and retail outlets within five working days. If you have paid to have this recall condition corrected prior to this notice, you may be eligible to receive reimbursement. Please see the reverse side of this notice for details. If you have questions about this Recall, please contact the Warranty Campaigns Department at (800) 547-0712, 7:00 a.m. to 4:00 p.m. Pacific Time, Monday through Friday, e-mail address dtna.warranty.campaigns@daimlertruck.com. For other concerns, you may contact the Customer Assistance Center at (800) 385-4357. If you are not able to have the defect remedied without charge and within a reasonable time, you may wish to submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590; or call the Vehicle Safety Hotline at (888) 327-4236 (TTY: 800-424-9153); or go to http://www.nhtsa.gov. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Trucks North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone Daimler Trucks North America LLC Reimbursement to Customers for Repairs Performed Prior to Recall If you have already paid to have this recall condition corrected you may be eligible to receive reimbursement. Requests for reimbursement may include parts and labor. Reimbursement may be limited to the amount the repair would have cost if completed by an authorized Daimler Trucks North America LLC dealer. The following documentation must be presented to your dealer for consideration for reimbursement. Please provide original or clear copies of all receipts, invoices, and repair orders that show: • The name and address of the person who paid for the repair. • The Vehicle Identification Number (VIN) of the vehicle that was repaired. • What problem occurred, what repair was done, when the repair was done. • Who repaired the vehicle. • The total cost of the repair expense that is being claimed. • Proof of payment for the repair (such as the front and back of a cancelled check or a credit card receipt). Reimbursement will be made by check from your Daimler Trucks North America LLC dealer. Please speak with your Daimler Trucks North America LLC authorized dealer concerning this matter Daimler Trucks North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone

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The information contained in this letter supercedes and supplements any related policies and procedures in any previously released bulletins, the Warranty Manual, and/or previously released letters. Failure to read or distribute this letter will not exempt addressees from compliance with the information contained herein. Daimler Trucks North America LLC REF #: ICI22-010 Effective: 02/02/22 Release: 02/04/22 SUBJECT: FL914 – Interim Recall Notice This letter is to inform you that an interim recall notice is being sent to affected customers for recall FL914 ~ Western Star 4900 Steering Column Pinch Bolt. The interim notices were mailed on 02/02/2022. A copy (with French translation) follows for your reference. This notice is for your information only. There is no action for customers or dealers to take. If customers inquire, please refer them to the interim notice. If you have questions or need further information, contact the Warranty Campaigns Department by submitting an inquiry through the WSC Link on DTNAConnect. OBJET : FL914 – Avis de rappel provisoire Cette lettre a pour but de vous informer qu’un avis de rappel provisoire est envoyé aux clients concernés pour le rappel FL914 ~ Boulon de pincement de la colonne de direction Western Star 4900. Les avis intermédiaires seront postés avant le 02/02/2022. Une copie (avec traduction française) suit pour votre référence. Cet avis est pour votre information seulement. Il n’y a aucune action à prendre par les clients ou les revendeurs. Si les clients se renseignent, veuillez les référer à l’avis intermédiaire. Si vous avez des questions ou avez besoin de plus amples informations, contactez le service des campagnes de garantie en soumettant une demande via le lien WSC sur DTNAConnect. WARRANTY CAMPAIGNS DEPARTMENT P.O. Box 4090 800-547-0712 Portland, Oregon 97208-4090 ATTENTION: Dealer Principal, Warranty Manager, Service Manager, Parts Manager Freightliner Dealers – U.S. and Canada Western Star and Sterling Dealers – U.S. and Canada FCCC Dealers – U.S. and Canada Thomas Built Buses Dealers – U.S. and Canada Direct Warranty Customers – U.S. and Canada Detroit Diesel Distributors Export Distributors I M P O R T A N T C A M P A I G N I N F O R M A T I O N If you have questions about this Letter, please submit your inquiry on the Web using the WSC Link on DTNAConnect Daimler Trucks North America LLC February 2022 FL914A Interim Recall Notice NHTSA # 21V-946 IMPORTANT SAFETY RECALL See enclosed VIN list Subject: Western Star 4900 Steering Column Pinch Bolt This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Daimler Trucks North America LLC (DTNA), on behalf of its Freightliner Trucks Division, and wholly owned subsidiary, Western Star Truck Sales, Inc., has decided that a defect which relates to motor vehicle safety exists on specific model year 2021-2022 Western Star 4900 model vehicles manufactured October 28, 2020, through November 1, 2022. On certain vehicles, the steering shaft may not have been properly installed. An improper installed steering shaft may separate from the steering gear, resulting in a loss of steering control. A loss of steering control may lead to a vehicle crash. This is the first of two notices you will receive regarding this subject. This letter is to inform you of an upcoming Recall to correct the issue noted above. Daimler Trucks is currently securing replacement parts. There is no action for you to take at this time. The second notice will inform you when the final remedy is available. When you receive the second notice, please contact your authorized Daimler Trucks North America dealer to schedule the Recall for your vehicle. If you do not own the vehicle that corresponds to the identification number(s) which appears on the Recall Notification, please return the notification to the Warranty Campaigns Department with any information you can furnish that will assist us in locating the present owner. If you have leased this vehicle, Federal law requires that you forward this notice to the lessee within 10 days. If you are a subsequent stage manufacturer, Federal law requires that you forward this notice to your distributors and retail outlets within five working days. If you have questions about this Recall, please contact the Warranty Campaigns Department at (800) 547-0712, 7:00 a.m. to 4:00 p.m. Pacific Time, Monday through Friday, e-mail address dtna.warranty.campaigns@daimlertruck.com. For other concerns, you may contact the Customer Assistance Center at (800) 385-4357. If you are not able to have the defect remedied without charge and within a reasonable time, you may wish to submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590; or call the Vehicle Safety Hotline at (888) 327-4236 (TTY: 800-424-9153); or go to http://www.nhtsa.gov. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Trucks North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone Daimler Trucks North America LLC February 2022 FL914A Interim Recall Notice Transport Canada #2021-739 Subject: Western Star 4900 Steering Column Pinch Bolt This notice is sent to you in accordance with the requirements of the Motor Vehicle Safety Act. This is to inform you that your vehicle may contain a defect that could affect the safety of a person. Daimler Trucks North America LLC (DTNA), on behalf of its Freightliner Trucks Division, and wholly owned subsidiary, Western Star Truck Sales, Inc., has decided that a defect which relates to motor vehicle safety exists on specific model year 2021-2022 Western Star 4900 model vehicles manufactured October 28, 2020, through November 1, 2022. On certain vehicles, the steering shaft may not have been properly installed. An improper installed steering shaft may separate from the steering gear, resulting in a loss of steering control. A loss of steering control may lead to a vehicle crash. This is the first of two notices you will receive regarding this subject. This letter is to inform you of an upcoming Recall to correct the issue noted above. Daimler Trucks is currently securing replacement parts. There is no action for you to take at this time. The second notice will inform you when the final remedy is available. When you receive the second notice, please contact your authorized Daimler Trucks North America dealer to schedule the Recall for your vehicle. If you do not own the vehicle that corresponds to the identification number(s) which appears on the Recall Notification, please return the notification to the Warranty Campaigns Department with any information you can furnish that will assist us in locating the present owner. If you have leased this vehicle, Federal law requires that you forward this notice to the lessee within 10 days. If you are a subsequent stage manufacturer, Federal law requires that you forward this notice to your distributors and retail outlets within five working days. If you have questions about this Recall, please contact the Warranty Campaigns Department at (800) 547-0712, 7:00 a.m. to 4:00 p.m. Pacific Time, Monday through Friday, e-mail address dtna.warranty.campaigns@daimlertruck.com. For other concerns, you may contact the Customer Assistance Center at (800) 385-4357. If you have a safety concern relating to this Recall, you may wish to contact Transport Canada – Motor Vehicle Safety at, 80 rue Noel, Gatineau, Quebec J8Z 0A1 or phone (800) 333-0510. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Trucks North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone Daimler Trucks North America LLC Février 2022 FL914A Avis de rappel intermédiaire Transports Canada nº 2021-739 Objet : Boulon de pincement de la colonne de direction Western Star 4900 Le présent avis vous est envoyé conformément aux exigences de la Loi sur la sécurité automobile. La présente a pour but de vous informer que votre véhicule est susceptible d’avoir un défaut qui pourrait porter atteinte à la sécurité humaine. Au nom de sa division Freightliner Trucks et de sa filiale en propriété exclusive Western Star Trucks Sales Inc., Daimler Trucks North America LLC (DTNA), a déterminé qu’une défectuosité liée à la sécurité des véhicules à moteur existe sur certains véhicules Western Star 4900 de l’année 2021-2022 construits entre le 28 octobre 2020 et le 1er novembre 2022. Sur certains véhicules, l’arbre de direction peut ne pas avoir été installé adéquatement. S’il est mal installé, l’arbre de direction peut se séparer du boîtier de direction, ce qui entraînerait une perte de contrôle de la direction. Une perte de contrôle de la direction peut provoquer une collision. Ceci est le premier de deux avis que vous recevrez à ce sujet. Le but de cette lettre est de vous informer d’un rappel à venir pour corriger le problème mentionné ci-dessus. Daimler Trucks prépare actuellement la fourniture des pièces de remplacement. Aucune action n’est nécessaire pour l’instant. Le deuxième avis vous informera quand la solution définitive pour y remédier sera disponible. Lorsque vous recevez le deuxième avis, veuillez contacter votre concessionnaire autorisé Daimler Trucks North America, afin de prendre les dispositions nécessaires pour le rappel de votre véhicule. Si vous n’êtes pas le propriétaire du ou des véhicules dont les numéros d’identification apparaissent sur l’avis de rappel, veuillez retourner l’avis au Service des campagnes de garanties avec tous les renseignements dont vous disposez qui pourraient nous aider à identifier le propriétaire actuel. Le loueur est également tenu par la loi fédérale de faire parvenir cet avis au locataire dans les 10 jours. Si vous êtes un fabricant secondaire, la loi fédérale exige que vous fassiez suivre cet avis à vos distributeurs et détaillants dans les cinq jours ouvrables. Si vous avez des questions sur cet avis de rappel, veuillez communiquer avec le Service des campagnes de garantie au 1-800-547-0712 de 7 h à 16 h, heure du Pacifique, du lundi au vendredi ou par courriel à dtna.warranty.campaigns@daimlertruck.com. Pour toute autre question, vous pouvez communiquer avec le centre d’assistance à la clientèle en composant le 1-800-385-4357. Si vous avez une préoccupation en matière de sécurité concernant ce rappel, vous êtes invités à communiquer avec Transports Canada – Sécurité routière au 80, rue Noël, Gatineau, Québec, J8Z 0A1 ou composer le 1-800-333-0510. Nous sommes désolés pour tout inconvénient pouvant résulter de cette activité, mais nous sommes certains que vous comprenez notre intérêt dans la sécurité des véhicules motorisés. SERVICE DES CAMPAGNES DE GARANTIE Pièce jointe Daimler Trucks North America LLC Service des campagnes de garantie P.O. Box 4090 Portland, OR 97208-4090 Téléphone : 1-800-547-0712

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Subject: Western Star 4900 Steering Column Pinch Bolt Models Affected: Specific model years 2021-2022 Western Star 4900 model vehicles manufactured October 28, 2020, through November 1, 2022. General Information Daimler Trucks North America LLC (DTNA), on behalf of its wholly owned subsidiary, Western Star Truck Sales, Inc., has decided that a defect that relates to motor vehicle safety exists on the vehicles mentioned above. On certain vehicles, the steering shaft may not have been properly installed. An improperly installed steering shaft may separate from the steering gear, resulting in a loss of steering control. A loss of steering control may lead to a vehicle crash. Vehicles will be inspected to ensure the steering shaft is properly installed and repaired as necessary. There are approximately 50 vehicles involved in this campaign. Additional Repairs Dealers must complete all outstanding Recall and Field Service campaigns prior to the sale or delivery of a vehicle. A Dealer will be liable for any progressive damage that results from its failure to complete campaigns before sale or delivery of a vehicle. Owners may be liable for any progressive damage that results from failure to complete campaigns within a reasonable time after receiving notification. Work Instructions Please refer to the attached work instructions. Prior to performing the campaign, check the vehicle for a completion sticker (Form WAR260). Replacement Parts Replacement parts are now available and can be obtained by ordering the kit and/or part number(s) listed below from your facing Parts Distribution Center. If our records show your dealership has ordered any vehicle(s) involved in campaign number FL914, a list of the customers and vehicle identification numbers will be available on DTNAConnect. Please refer to this list when ordering parts for this recall. Table 1 – Replacement Parts for FL914 Campaign Number Kit Number Part Description Part Number Qty FL914A N/A BOLT-PINCH,STEERING UJOINT,7/16-20X2.0IN 14-18773-001 1 ea NUT-HEX,PREVAILING TORQUE,7/16-20 14-18774-000 1 ea BLANK COMPLETION STICKER WAR260 1 ea Table 1 Removed Parts U.S. and Canadian Dealers, please follow Warranty Failed Parts Tracking shipping instructions for the disposition of all removed parts. Export distributors, please destroy removed parts unless otherwise advised. Daimler Trucks North America LLC Recall Campaign February 2022 FL914A NHTSA #21V-946 Transport Canada #2021-739 Page 1 Labor Allowance Table 2 – Labor Allowance Campaign Number Procedure Time Allowed (hours) SRT Code Corrective Action FL914A Inspect steering column pinch bolt, only. 0.2 996-R137A 06-Inspect Inspect and replace steering column pinch bolt. 0.3 996-R137B 12-Repair Recall/Campaign Table 2 IMPORTANT: When the Recall has been completed, locate the base completion label in the appropriate location on the vehicle, and attach the red completion sticker provided in the recall kit (Form WAR260). If the vehicle does not have a base completion label, clean a spot on the appropriate location of the vehicle and first attach the base completion label (Form WAR259). If a recall kit is not required or there is no completion sticker in the kit, write the recall number on a blank sticker and attach it to the base completion label. Claims for Credit You will be reimbursed for your parts, labor, and handling (landed cost for Export Distributors) by submitting your claim through the Warranty system within 30 days of completing this campaign. Please reference the following information in OWL: • Claim type is Recall Campaign. • In the Campaign field, enter the campaign number and appropriate condition code (FL914-A). • In the Primary Failed Part Number field, enter 25-FL914-000. • In the Parts field, enter the appropriate kit or part number(s) as shown in the Replacement Parts Table. • In the Labor field, first enter the appropriate SRT from the Labor Allowance Table. Administrative time will be included automatically as SRT 939-6010A for 0.3 hours. • The VMRS Component Code is F99-999-005 and the Cause Code is A1 – Campaign. • U.S. and Canada — Reimbursement for Prior Repairs. When a customer asks about reimbursement, please do the following: • Accept the documentation of the previous repair. • Make a brief check of the customer’s paperwork to see if the repair may be eligible for reimbursement. (See the “Copy of Owner Letter” section of this bulletin for reimbursement guidelines.) • Submit an OWL Recall Pre-Approval Request for a decision. • Include the approved amount on your claim in the Other Charges section. • Attach the documentation to the pre-approval request. • If approved, submit a based on claim for the pre-approval. • Reimburse the customer the appropriate amount. IMPORTANT: OWL must be viewed prior to performing the recall to ensure the vehicle is involved and the campaign has not been previously completed. Also, check for a completion sticker prior to beginning work. U.S. and Canadian dealers, contact the Warranty Campaigns Department via Web inquiry at DTNAConnect.com/WSC, if you have any questions or need additional information. Export distributors, submit a Web inquiry or contact your International Service Manager. U.S. and Canadian Dealers: To return excess kit inventory related to this campaign, U.S. dealers must submit a Parts Authorization Return (PAR) to the Memphis PDC. Canadian dealers must submit a PAR to their facing PDC. All kits must be in resalable condition. PAR requests must include the original purchase invoice number. Daimler Trucks North America LLC Recall Campaign February 2022 FL914A NHTSA #21V-946 Transport Canada #2021-739 Page 2 Export Distributors: Excess inventory is not returnable. The letter notifying U.S. and Canadian vehicle owners is included for your reference. Please note that the National Traffic and Motor Vehicle Safety Act, as amended (Title 49, United States Code, Chapter 301), requires the owner’s vehicle(s) be corrected within a reasonable time after parts are available to you. The Act states that failure to repair a vehicle within 60 days after tender for repair shall be prima facie evidence of an unreasonable time. However, circumstances of a particular situation may reduce the 60 day period. Failure to repair a vehicle within a reasonable time can result in either the obligation to (a) replace the vehicle with an identical or reasonably equivalent vehicle, without charge, or (b) refund the purchase price in full, less a reasonable allowance for depreciation. The Act further prohibits dealers from selling a vehicle unless all outstanding recalls are performed. Any lessor is required to send a copy of the recall notification to the lessee within 10 days. Any subsequent stage manufacturer is required to forward this notice to its distributors and retail outlets within five working days. Daimler Trucks North America LLC Recall Campaign February 2022 FL914A NHTSA #21V-946 Transport Canada #2021-739 Page 3 Copy of Notice to Owners For the Notice to U.S. Customers: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. For the Notice to Canadian Customers: This notice is sent to you in accordance with the requirements of the Motor Vehicle Safety Act. This is to inform you that your vehicle may contain a defect that could affect the safety of a person. Daimler Trucks North America LLC (DTNA), on behalf of its wholly owned subsidiary, Western Star Truck Sales, Inc., has decided that a defect that relates to motor vehicle safety exists on specific model years 2021-2022 Western Star 4900 model vehicles manufactured October 28, 2020, through November 1, 2022. On certain vehicles, the steering shaft may not have been properly installed. An improperly installed steering shaft may separate from the steering gear, resulting in a loss of steering control. A loss of steering control may lead to a vehicle crash. Vehicles will be inspected to ensure the steering shaft is properly installed and repaired as necessary. Repairs will be performed by DTNA authorized service facilities. Please contact an authorized Daimler Trucks North America dealer to arrange to have the Recall performed and to ensure that parts are available at the dealership. The Recall will take approximately one half hour and will be performed at no charge to you. To locate an authorized dealer, search online at Daimler-TrucksNorthAmerica.com/contact-us/. Scroll down to “Locate a Dealer,” and select the appropriate brand. You may also confirm your vehicle’s involvement in this recall at this URL: https://dtna-dlrinfo.prd.freightliner.com:48518/VinLookup/vin-module/getVinLookupPage. You may be liable for any progressive damage that results from your failure to complete the Recall within a reasonable time after receiving notification. If you do not own the vehicle that corresponds to the identification number(s) which appears on the Recall Notification, please return the notification to the Warranty Campaigns Department in the postage-paid envelope with any information you can furnish that will assist us in locating the present owner. If you have leased this vehicle, Federal law requires that you forward this notice to the lessee within 10 days. If you are a subsequent stage manufacturer, Federal law requires that you forward this notice to your distributors and retail outlets within five working days. If you have paid to have this recall condition corrected prior to this notice, you may be eligible to receive reimbursement. Please see the reverse side of this notice for details. If you have questions about this Recall, please contact the Warranty Campaigns Department at (800) 547-0712, 7:00 a.m. to 4:00 p.m. Pacific Time, Monday through Friday, e-mail address dtna.warranty.campaigns@daimlertruck.com. For the Notice to U.S. Customers: If you are not able to have the defect remedied without charge and within a reasonable time, you may wish to submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE., Washington, DC 20590; or call the Vehicle Safety Hotline at (888) 327-4236 (TTY: 800-424-9153); or to http://www.nhtsa.gov. For the Notice to Canadian Customers: If you wish to submit a complaint about this recall, you can contact Transport Canada road safety, 80 rue Noel, Gatineau, Quebec J8Z 0A1 or call (800) 333-0510. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Trucks North America LLC Recall Campaign February 2022 FL914A NHTSA #21V-946 Transport Canada #2021-739 Page 4 Subject: Western Star 4900 Steering Column Pinch Bolt Reimbursement to Customers for Repairs Performed Prior to Recall If you have already paid to have this recall condition corrected you may be eligible to receive reimbursement. Requests for reimbursement may include parts and labor. Reimbursement may be limited to the amount the repair would have cost if completed by an authorized Daimler Trucks North America LLC dealer. The following documentation must be presented to your dealer for consideration for reimbursement. Please provide original or clear copies of all receipts, invoices, and repair orders that show: • The name and address of the person who paid for the repair • The Vehicle Identification Number (VIN) of the vehicle that was repaired • What problem occurred, what repair was done, when the repair was done • Who repaired the vehicle • The total cost of the repair expense that is being claimed • Proof of payment for the repair (such as the front and back of a cancelled check or a credit card receipt) Reimbursement will be made by check from your DTNA dealer. Please speak with your DTNA authorized dealer concerning this matter. Daimler Trucks North America LLC Recall Campaign February 2022 FL914A NHTSA #21V-946 Transport Canada #2021-739 Page 5 Work Instructions Models Affected: Specific model years 2021-2022 Western Star 4900 model vehicles manufactured October 28, 2020, through November 1, 2022. Steering Shaft Assembly Inspection 1. Check the base label (Form WAR259) for a completion sticker for FL914 (Form WAR260) indicating this work has been completed. The base label is usually located on the passenger-side door, about 12 inches (30 cm) below the door latch. If a completion sticker is present, no work is needed. If a completion sticker is not present, go to the next step. 2. Park the vehicle on a level surface with the front tires pointed straight ahead, shut down the engine, and set the parking brake. Chock the tires. 3. Remove the three fasteners that attach the upper steering column cover, and the four fasteners that attach the lower steering column cover to the steering column. Remove the column covers from the vehicle. See Fi.g. 1 03/24/2015 f462259 1 2 3 3 4 4 1. Lower Column Cover 2. Upper Column Cover 3. Number 8, 16 × 3/4 Screw 4. Number 10, 32 × 3/4 SST Capscrew Fig. 1, Steering Column Assembly Daimler Trucks North America LLC Recall Campaign February 2022 FL914A NHTSA #21V-946 Transport Canada #2021-739 Page 6 Subject: Western Star 4900 Steering Column Pinch Bolt 5. Inspect the steering shaft to steering gear attachment. The steering gear input shaft must be seated completely into the steering shaft. For correct installation, see Fig. 2. For a displaced steering shaft, see Fig. 3. Is the steering shaft to steering gear attachment correct? YES → No further action is required. Go to the next step. NO → Go to Pinch Bolt Replacement below. 6. Position the lower column cover on the steering column, then install the four screws that attach the lower column cover to the steering column. See Fig. 1. Tighten the screws 15 to 17 lbf·in (169 to 192 N·cm). 7. Using number 8, 16 × 3/4 screws, attach the upper steering column cover to the lower steering column cover. Tighten the screws 10 to 12 lbf·in (113 to 136 N·cm). 8. Using number 10, 32 × 3/4 SST capscrew, attach the upper steering column cover to the steering column. Tighten the capscrew 15 to 17 lbf·in (169 to 192 N·cm). 12/16/2021 f462466 Fig. 2, Steering Shaft Installed Correctly 12/16/2021 f462467 Fig. 3, Steering Shaft Lifted or Displaced Daimler Trucks North America LLC Recall Campaign February 2022 FL914A NHTSA #21V-946 Transport Canada #2021-739 Page 7 4. Start the vehicle. With the engine idling, turn the steering wheel so the pinch bolt is accessible at the top of the steering shaft. 9. Clean a spot on the base label (Form WAR259), write the recall number, FL914, on a blank red completion sticker (Form WAR260), and attach it to the base label, indicating this work has been completed. Pinch Bolt Replacement NOTICE Do not remove the steering shaft from the steering gear; it is only required to slide the steering shaft until seated completely. Removal of the steering shaft could result in the steering wheel being rotated, damaging the clock spring. The pinch bolt can be replaced with the steering shaft attached to the steering gear. IMPORTANT: Do not turn the steering shaft while removing the pinch bolt. 1. Remove and discard the pinch bolt and nut on the steering gear side of the steering shaft. 2. Slide the steering shaft down so it is completely seated on the steering gear input shaft. 3. Install the new pinch bolt and nut. Tighten the pinch bolt 30 to 35 lbf·ft (41 to 47 N·m). 4. Apply a blue torque seal after the required torque has been set. 5. Position the lower steering column cover on the steering column, then install the four screws that attach the lower steering column cover to the steering column. See Fig. 1. Tighten the screws 15 to 17 lbf·in (169 to 192 N·cm). 6. Using the two number 8, 16 × 3/4 screws removed earlier, attach the upper steering column cover to the lower steering column cover. Tighten the screws 10 to 12 lbf·in (113 to 136 N·cm). 7. Using the number 10, 32 × 3/4 SST capscrew removed earlier, attach the upper steering column cover to the steering column. Tighten the capscrew 15 to 17 lbf·in (169 to 192 N·cm). 8. Clean a spot on the base label (Form WAR259), write the recall number, FL914, on a blank red completion sticker (Form WAR260), and attach it to the base label, indicating this work has been completed. Daimler Trucks North America LLC Recall Campaign February 2022 FL914A NHTSA #21V-946 Transport Canada #2021-739 Page 8

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-946 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : DEC 20, 2021 NHTSA Recall No. : 21V-946 Manufacturer Recall No. : FL-914 Manufacturer Information : Manufacturer Name : Daimler Trucks North America, LLC Address : 4747 N. Channel Avenue Portland OR 97217-3849 Company phone : 800-745-8000 Population : Number of potentially involved : 21 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2021-2022 Western Star 4900 Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : Certain vehicles that had steering related components installed in a post-production offline process at the Portland Oregon manufacturing plant during a limited period of time. Production Dates : OCT 28, 2020 – NOV 01, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : On certain vehicles that went through a post-production (“offline”) installation process, the steering shaft may not have been properly installed. If the steering shaft has not been properly installed, it may separate from the steering gear resulting in a loss of steering control. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A loss of steering control may lead to a vehicle crash. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Part 573 Safety Recall Report 21V-946 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Pinch Bolt Component Description : Steering Pinch Bolt Component Part Number : 14-18773-001 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : In November 2021, DTNA received the first report of a vehicle where the steering shaft became disconnected at the base of the steering column assembly in a vehicle traveling at low speed, resulting in neither an accident nor an injury. Within the same month, it was found that the pinch bolt was not properly torqued. DTNA promptly began a review of the installation process, which continued into early December and found that certain vehicles which had steering related part shortages and were consequently taken off the manufacturing line for post-process part installation in offline, the inspection of the upper pinch bolt may not have been done properly. Plant inspections found no additional vehicles where the steering shaft was not properly installed. The investigation isolated the issue to certain vehicles produced at one manufacturing plant and a short window of time. Early in December 2021 when the investigation had determined the facts, out of an abundance of caution, DTNA promptly released a recall. Description of Remedy : Description of Remedy Program : Vehicles will be inspected to ensure that the steering shaft is properly installed and, if not properly installed, the pinch bolt will be replaced. Repairs will be performed by Daimler Trucks North America authorized service facilities. Details of the reimbursement plan will be included in the owner’s notification letter. How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Part 573 Safety Recall Report 21V-946 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Recall Schedule : Description of Recall Schedule : Customer notification will be made by first class mail using Daimler Trucks North America records to determine the customers affected. Planned Dealer Notification Date : FEB 05, 2022 – FEB 05, 2022 Planned Owner Notification Date : FEB 05, 2022 – FEB 05, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-946 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : DEC 08, 2021 NHTSA Recall No. : 21V-946 Manufacturer Recall No. : FL-914 Manufacturer Information : Manufacturer Name : Daimler Trucks North America, LLC Address : 4747 N. Channel Avenue Portland OR 97217-3849 Company phone : 800-745-8000 Population : Number of potentially involved : 21 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2021-2022 Western Star 4900 Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : Certain vehicles that had steering related components installed in a post-production offline process at the Portland Oregon manufacturing plant during a limited period of time. Production Dates : OCT 28, 2020 – NOV 01, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : On certain vehicles that went through a post-production (“offline”) installation process, the steering shaft may not have been properly installed. If the steering shaft has not been properly installed, it may separate from the steering gear resulting in a loss of steering control. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A loss of steering control may lead to a vehicle crash. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Part 573 Safety Recall Report 21V-946 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Pinch Bolt Component Description : Steering Pinch Bolt Component Part Number : 14-18773-001 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : In November 2021, DTNA received the first report of a vehicle where the steering shaft became disconnected at the base of the steering column assembly in a vehicle traveling at low speed, resulting in neither an accident nor an injury. Within the same month, it was found that the pinch bolt was not properly torqued. DTNA promptly began a review of the installation process, which continued into early December and found that certain vehicles which had steering related part shortages and were consequently taken off the manufacturing line for post-process part installation in offline, the inspection of the upper pinch bolt may not have been done properly. Plant inspections found no additional vehicles where the steering shaft was not properly installed. The investigation isolated the issue to certain vehicles produced at one manufacturing plant and a short window of time. Early in December 2021 when the investigation had determined the facts, out of an abundance of caution, DTNA promptly released a recall. Description of Remedy : Description of Remedy Program : Vehicles will be inspected to ensure that the steering shaft is properly installed and repaired as necessary. Repairs will be performed by Daimler Trucks North America authorized service facilities. Details of the reimbursement plan will be included in the owner’s notification letter. How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Part 573 Safety Recall Report 21V-946 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Recall Schedule : Customer notification will be made by first class mail using Daimler Trucks North America records to determine the customers affected. Planned Dealer Notification Date : FEB 05, 2022 – FEB 05, 2022 Planned Owner Notification Date : FEB 05, 2022 – FEB 05, 2022 * NR – Not Reported

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