22510 – Brake Line Assembly – 2022 International CV

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SERVICE PROCEDURE SUBJECT: SAFETY RECALL 22510 JUNE, 2022 Pressure Sensor Fitting on certain International® CV™ Series trucks built 03/23/2022 thru 03/31/2022. CUSTOMER LETTER Print ready (PDF file) copy of the Customer Letter DEFECT DESCRIPTION The pressure sensor on the hydraulic brake line assembly may not be tightened to the correct torque and can result in a minor brake fluid leak when the brakes are applied. A minor leak in the hydraulic brake system can cause a soft pedal during braking, and in an emergency stop situation may increase the vehicle stopping distance possibly resulting in a vehicle crash. MODELS INVOLVED This safety recall involves certain International® CV™ Series trucks built 03/23/2022 thru 03/31/2022. ELIGIBILITY This procedure applies ONLY to vehicles marked in the International® Service Portal8M with Safety Recall 22510. Also complete any other open campaigns listed on the Service Portal at this time. PARTS INFORMATION There are no parts for this recall. VEHICLE RECALL 22510 © 2022 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 1 SERVICE PROCEDURE GOVERNMENT REGULATION: Engine fluid (oil, fuel, and coolant) may be a hazard to human health and the environment. Handle all fluid and other contaminated materials (such as filters and rags) in accordance with applicable regulations. Recycle or dispose of engine fluids, filters, and other contaminated materials according to applicable regulations. WARNING! To prevent personal injury and / or death, or damage to property, park vehicle on hard flat surface, turn the engine off, set the parking brake and install wheel chocks to prevent the vehicle from moving in either direction. WARNING! To prevent personal injury and/ or death, always wear safe eye protection when performing vehicle maintenance. WARNING! To prevent personal injury and / or death, or damage to property, allow engine/ vehicle components to cool before servicing. WARNING! To prevent personal injury and / or death, or damage to property, keep flames or sparks away from vehicle and do not smoke while servicing the vehicle’s batteries. Batteries expel explosive gases. 1. Park vehicle on flat surface. 2. Shift transmission to Park or Neutral and set parking brake. 3. Turn vehicle ignition to Key OFF position. 4. Install wheel chocks. 5. Unlatch and open hood. VEHICLE RECALL 22510 © 2022 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 2 1 Figure 1. Brake Pressure Sensor 1. Sensor 6. Using a torque wrench and a backup wrench, tighten sensor (Figure 1, Item 1) to 34 to 36 lb-ft (46 to 50 N·m). 7. If necessary, top off brake fluid to correct level. 8. If brake pedal feels soft or spongy, bleed brake system. Refer to technician manual. 9. Close and latch hood. 10. Remove wheel chocks. END OF SERVICE PROCEDURE VEHICLE RECALL 22510 0000474498 © 2022 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 3 LABOR INFORMATION Operation Number Description A40-22510-1 Tighten Fitting; Add Fluid If Necessary A40-22510-2 Bleed Brake System; If Necessary CAMPAIGN IDENTIFICATION LABEL Each vehicle corrected in accordance with this campaign must be marked with a CTS-1075 Campaign Identification Label. Complete the label and attach on a clean surface next to the vehicle identification number (VIN) plate. Time 0.3 Hrs. 0.3 Hrs. COMPLETED Service Location Code ‘ ADMINISTRATIVE/ DEALER RESPONSIBILITIES WARRANTY CLAIMS Warranty claim expense is to be charged to Warranty. Claims are to be submitted in the normal manner, making reference to Safety Recall 22510. Section 7 of the Warranty Policy and Procedures Manual contains further information related to the submission and processing of AFC / Recall claims. As with all claim submissions, items acquired locally must be submitted in the “Other Charges” tab. The cost of any bulk items (such as a bag of cable tie straps, roll of wire, barrel of oil, or tube of silicone) should be prorated for the cost of the individual pieces / amount used during each repair. VEHICLE RECALL 22510 © 2022 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 4 GROUP GROUP – Enter n umber NOUN – Leave b lank :-: +– I – C (CAUSE) – Ente r either 1, 2, 3. (See below) 1. Inspected (No repair required). 2. Inspected and repaired. 3. Defective part from parts stock. – arranty Code) Enter 40. ~ I I WARRANTY – (W TYPE PART – En PAD – Enter 1)() ter P for type part causing failure. :::: -~ UNITED STATES AND POSSESSIONS NOUN C WARR. TP PAD I I I I 0000047910 The National Traffic and Motor Vehicle Safety Act, as amended, provides that each vehicle that is subject to a vehicle recall campaign must be adequately repaired within a reasonable time after the owner has tendered it for repair. A failure to adequately repair within 60 days after a tender of a vehicle is prima facie evidence of failure to repair within a reasonable time. If the condition is not adequately repaired within 60 days, the owner may be entitled to replacement with an identical or reasonable equivalent vehicle at no charge, or to a refund of the purchase price less a reasonable allowance for depreciation. Dealers must correct all vehicles subject to this campaign at no charge to the owner, regardless of mileage, age of vehicle, or ownership, from this time forward. Dealers should proceed immediately to make necessary correction to units in inventory. All inventory vehicles subject to this recall campaign must be corrected prior to sale, transfer or delivery. If vehicles have been sold or transferred and you are in receipt of Customer Notification Letters and Authorization for Recall Service cards for those vehicles, the transfer location or customer must be notified immediately from your dealer location. Dealers must make every effort to promptly schedule an appointment with each owner to repair his or her vehicle as soon as possible. However, consistent with the customer notification, dealers are expected to complete the repairs on the mutually agreed upon service date. Dealers involved in the recall process will be furnished a listing of owner names and addresses to enable them to follow up with owners and have the vehicles corrected. Use of this listing must be limited to this campaign because the list VEHICLE RECALL 22510 © 2022 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 5 may contain information obtained from state motor vehicle registration records, and the use of such motor vehicle registration data for purposes other than this campaign is a violation of law in several states. CANADA Dealers must correct all vehicles subject to this campaign at no charge to the owner, regardless of mileage, age of vehicle, or ownership, from this time forward. Dealers should proceed immediately to make necessary correction to units in inventory. All inventory vehicles subject to this recall campaign must be corrected prior to sale, transfer or delivery. If vehicles have been sold or transferred and you are in receipt of Customer Notification Letters and Authorization for Recall Service cards for those vehicles, the transfer location or customer must be notified immediately from your dealer location. Dealers must make every effort to promptly schedule an appointment with each owner to repair his or her vehicle as soon as possible. However, consistent with the customer notification, dealers are expected to complete the repairs on the mutually agreed upon service date. Dealers involved in the recall process will be furnished a listing of owner names and addresses to enable them to follow up with owners and have the vehicles corrected. Use of this listing must be limited to this campaign because the list may contain information obtained from state motor vehicle registration records, and the use of such motor vehicle registration data for purposes other than this campaign is a violation of law in several states. EXPORT Export Distributors should proceed immediately to make necessary correction to units in inventory. All inventory vehicles subject to this recall campaign must be corrected prior to sale, transfer or delivery. If vehicles have been sold or transferred and you are in receipt of Customer Notification Letters and Authorization for Recall Service cards for those vehicles, the transfer location or customer must be notified immediately from your distributor location. Export Distributors are to submit warranty claims in the usual manner making reference to this recall number. Export Distributors are expected to provide full cooperation and follow-up with respect to this important subject matter. If you have any questions or need further assistance, please contact the Regional Service Manager at your regional office. NAVISTAR, INC. VEHICLE RECALL 22510 © 2022 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners. 6

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-355 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Navistar, Inc. Submission Date : MAY 19, 2022 NHTSA Recall No. : 22V-355 Manufacturer Recall No. : 22510 Manufacturer Information : Manufacturer Name : Navistar, Inc. Address : 2701 Navistar Drive Lisle IL 60532 Company phone : 331-332-1590 Population : Number of potentially involved : 15 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 International CV Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : • The suspect population contains a newly designed hydraulic brake line assembly containing the brake pressure sensor that was not tightened to the correct torque. • The inclusive dates of manufacture were determined when Navistar began use of the newly designed hydraulic brake line assembly in vehicle production and when the issue was contained at the vehicle assembly plant. • Other vehicles built during this time period were built with a different hydraulic brake line assembly or were built with the new hydraulic brake line assembly where the brake pressure sensor was tightened to the correct torque. There are 15 CV series trucks in the suspect population Production Dates : MAR 23, 2022 – MAR 31, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The pressure sensor fitting of the primary hydraulic brake line assembly may not be tightened to the correct torque and can result in a minor brake fluid leak when the brakes are applied. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A minor leak in the hydraulic brake system on application can result in a soft pedal and in an emergency stop situation may increase the vehicle stopping distance possibly resulting in a vehicle crash. Part 573 Safety Recall Report 22V-355 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of the Cause : The new hydraulic brake line assembly drawing did not contain the torque requirement for the pressure sensor fitting. Identification of Any Warning that can Occur : • Progression of a soft brake pedal condition • Visible signs of brake fluid leak at the pressure sensor fitting during under hood pre-trip inspection. • Brake warning light in the instrument cluster indicating low brake fluid. Involved Components : Component Name 1 : Hydraulic tube Component Description : Tube; assembly with pressure switch Component Part Number : 4312257C91 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : • 04/07/2022 – Navistar assembly plant experienced a CV vehicle with a soft brake pedal. Investigation found that the leak was at the brake pressure sensor • 04/07/2022 – Navistar assembly plant inspects all brake line assemblies for this configuration that are not yet installed and tightens the pressure sensor to the correct torque. • 04/08/2022 thru 04/22/2022 – Navistar places a ship hold on suspect population, performs a canvass of vehicles onsite at the production facility to check and tighten the pressure sensor to specification. • 04/12/2022 – Supplier begins to tighten all pressure sensors in brake line assemblies at their location and applies a witness mark indicating they have been tightened to specification. • 04/18/2022 – Navistar Compliance is made aware of the issue and meets with Engineering and Manufacturing to determine the scope. • 04/18/2022 thru 05/02/2022 – Root cause analysis is conducted to understand what caused the issued and the severity of the issue. • 05/09/2022 – Manufacturing and Product Compliance finalize suspect population. Part 573 Safety Recall Report 22V-355 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 • 05/12/2022 – Navistar declares a Safety Recall. Description of Remedy : Description of Remedy Program : • The remedy will involve tightening the pressure sensor fitting to the specified assembled torque specification. • Navistar’s plan for reimbursement of pre-notification remedies, on file with NHTSA and dated 05/06/2022, applies and reimbursement instructions will be included in the customer notification. How Remedy Component Differs from Recalled Component : remedy is to tighten the recalled pressure sensor fitting to its assembly torque specification. Identify How/When Recall Condition was Corrected in Production : 04/12/2022 – Navistar began using hydraulic brake line assemblies with pressure sensor fittings verified by supplier to be tightened to the correct torque specification. Recall Schedule : Description of Recall Schedule : It is estimated that the Customer and Dealer notification letters will be mailed by 07/18/2022. Planned Dealer Notification Date : JUL 18, 2022 – JUL 18, 2022 Planned Owner Notification Date : JUL 18, 2022 – JUL 18, 2022 * NR – Not Reported

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