FL999 – Tire Damage from Cracked Wheel Flange – 2023-2024 Freightliner 108SD, 114SD, Business Class M2, Cascadia, 2024 Western Star 57X, & 2023 Freightliner 122SD

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-250
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Daimler Trucks North America, LLC APR 03, 2024 NHTSA Recall No. : 24V-250 Manufacturer Recall No. : FL999 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 : 29,092 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2023-2024 Freightliner 108SD Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : NOV 29, 2022 – MAY 25, 2023
VIN Range 1 : Begin : NR End : NR ntial Part 573 Safety Recall Report 24V-250 Page 2 Vehicle 2 : 2023-2024 Freightliner 114SD Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : DEC 09, 2022 – JUN 28, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 3 : 2023-2023 Freightliner 122SD Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : DEC 17, 2022 – JAN 04, 2023
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-250 Page 3 Vehicle 4 : 2023-2024 Freightliner Business Class M2 Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : NOV 28, 2022 – AUG 14, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2023-2024 Freightliner Cascadia Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : OCT 04, 2022 – AUG 14, 2023
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-250 Page 4 Vehicle 6 : 2024-2024 Western Star 57X
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : JAN 19, 2023 – AUG 14, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : A defect, which relates to motor vehicle safety, exists in certain model year 2023 through 2024 Freightliner Cascadia, Business Class M2, 122SD, 114SD, 108SD and Western Star 57X vehicles. On the affected vehicles, the inboard/ inner bead seat flange of the steer axle wheels may crack. With continued operation of the vehicle, the crack may progress to the point where wheel flange sections may fail and eventually separate from the wheel/rim.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : If the cracks are not addressed and progress to the point of flange failure and separation, this may damage the tire. Depending on the extent of steer tire damage, this could result in loss of vehicle control, potentially increasing the risk of a crash.
Description of the Cause : NR Identification of Any Warning
that can Occur : If cracks, flange separation and/or low tire pressure are present, they may be visually observed at pre/post trip or via a TPMS warning. If one or more sections of the wheel flange begin to separate, vibrations are often induced into the steering wheel. Involved Components : The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-250 Page 5 Component Name 1 : Aluminum wheel
Component Description : WHEEL – HUB PILOT, 22.50 X 8.25 INCH, 660, FRONT, 10, 0.79
Component Part Number : ALUULA181 (DTNA part number) Component Name 2 : Aluminum wheel
Component Description : WHEEL – HUB PILOT, 22.50X8.25 INCH, 660 CB, 10, 0.79
Component Part Number : ALUULA187 (DTNA part number) Component Name 3 : Aluminum wheel
Component Description : WHEEL – HUB PILOT, 22.5X8.25 INCH, 660 BFR, 10, 0.79
Component Part Number : ALUULA181DB (DTNA part number) Supplier Identification : Component Manufacturer
Name : Howmet Aerospace, Inc USA (“Alcoa”) Address : 1616 Harvard Ave
Cleveland Ohio 44105
Country : United States Chronology :
Refer attached chronology. Description of Remedy :
Description of Remedy Program : DTNA is preparing a remedy, which is currently under development.
Repairs will be performed free of charge by Daimler Truck North America authorized service facilities. Details of the reimbursement plan will be included in the owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. How Remedy Component Differs from Recalled Component : The recall component includes Alcoa wheels having a ‘MADE IN MEXICO’ manufacturing stamp and a 6-digit date code of 090122 through 072023. The remedy component will include wheels built and stamped 072123 and The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-250
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The information contained in this report was submitted pursuant to 49 CFR §573
newer and will have been produced in accordance with the supplier’s machining parameters.
Identify How/When Recall Condition was Corrected in Production :
The supplier advised DTNA that production processes were adjusted at the supplier’s Mexico facility in mid-July 2023. DTNA has included an additional 2-3 week period in the recall population to account for wheel shipping and assembly time. 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 : APR 23, 2024 – APR 23, 2024
Planned Owner Notification Date : JUN 02, 2024 – JUN 02, 2024
* NR – Not Reported

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-250
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Daimler Trucks North America, LLC APR 10, 2024 NHTSA Recall No. : 24V-250 Manufacturer Recall No. : FL999 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 : 29,092 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2023-2024 Freightliner 108SD Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : NOV 29, 2022 – MAY 25, 2023
VIN Range 1 : Begin : NR End : NR ntial Part 573 Safety Recall Report 24V-250 Page 2 Vehicle 2 : 2023-2024 Freightliner 114SD Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : DEC 09, 2022 – JUN 28, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 3 : 2023-2023 Freightliner 122SD Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : DEC 17, 2022 – JAN 04, 2023
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-250 Page 3 Vehicle 4 : 2023-2024 Freightliner Business Class M2 Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : NOV 28, 2022 – AUG 14, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2023-2024 Freightliner Cascadia Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : OCT 04, 2022 – AUG 14, 2023
VIN Range 1 : Begin : NR End : NR Not sequential The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-250 Page 4 Vehicle 6 : 2024-2024 Western Star 57X
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2023 and 2024 Freightliner and Western Star vehicles manufactured at DTNA’s Mexico production facilities and equipped with ULA18x aluminum steer axle wheels which were manufactured at Alcoa’s Mexico facility from the Start of Production (SOP) of this specific wheel design family to the manufacturing clean point as defined by the supplier (7/21/23 at Alcoa MEX and chassis start date 8/15/23 at DTNA MEX). Vehicles produced outside of DTNA’s Mexico facility do not use wheels produced by the supplier’s Mexico facility and are not included in the recall population. The vehicle population has been determined based on the information currently provided by Alcoa and DTNA’s production records.
Production Dates : JAN 19, 2023 – AUG 14, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : A defect, which relates to motor vehicle safety, exists in certain model year 2023 through 2024 Freightliner Cascadia, Business Class M2, 122SD, 114SD, 108SD and Western Star 57X vehicles. On the affected vehicles, the inboard/ inner bead seat flange of the steer axle wheels may crack. With continued operation of the vehicle, the crack may progress to the point where wheel flange sections may fail and eventually separate from the wheel/rim.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : If the cracks are not addressed and progress to the point of flange failure and separation, this may damage the tire. Depending on the extent of steer tire damage, this could result in loss of vehicle control, potentially increasing the risk of a crash.
Description of the Cause : NR Identification of Any Warning
that can Occur : If cracks, flange separation and/or low tire pressure are present, they may be visually observed at pre/post trip or via a TPMS warning. If one or more sections of the wheel flange begin to separate, vibrations are often induced into the steering wheel. Involved Components : The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-250 Page 5 Component Name 1 : Aluminum wheel
Component Description : WHEEL – HUB PILOT, 22.50 X 8.25 INCH, 660, FRONT, 10, 0.79
Component Part Number : ALUULA181 (DTNA part number) Component Name 2 : Aluminum wheel
Component Description : WHEEL – HUB PILOT, 22.50X8.25 INCH, 660 CB, 10, 0.79
Component Part Number : ALUULA187 (DTNA part number) Component Name 3 : Aluminum wheel
Component Description : WHEEL – HUB PILOT, 22.5X8.25 INCH, 660 BFR, 10, 0.79
Component Part Number : ALUULA181DB (DTNA part number) Supplier Identification : Component Manufacturer
Name : Howmet Wheel Systems Mexico (“Alcoa”) Address : Av Tecnológico #1255
Parque Industrial Estrella Cienega de Flores Foreign States 65550
Country : Mexico Chronology :
Refer attached chronology. Description of Remedy :
Description of Remedy Program : DTNA is preparing a remedy, which is currently under development.
Repairs will be performed free of charge by Daimler Truck North America authorized service facilities. Details of the reimbursement plan will be included in the owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. How Remedy Component Differs from Recalled Component : The recall component includes Alcoa wheels having a ‘MADE IN MEXICO’ manufacturing stamp and a 6-digit date code of 090122 through 072023. The remedy component will include wheels built and stamped 072123 and The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-250
Page 6
The information contained in this report was submitted pursuant to 49 CFR §573
newer and will have been produced in accordance with the supplier’s machining parameters.
Identify How/When Recall Condition was Corrected in Production :
The supplier advised DTNA that production processes were adjusted at the supplier’s Mexico facility in mid-July 2023. DTNA has included an additional 2-3 week period in the recall population to account for wheel shipping and assembly time. 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 : APR 23, 2024 – APR 23, 2024
Planned Owner Notification Date : JUN 02, 2024 – JUN 02, 2024
* NR – Not Reported

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Subject: Stop Delivery Order: Safety Recall FL999
SAFETY RECALL NOTICE On 04/03/2024, Daimler Truck North America (“DTNA”) filed a Defect Information Report (“DIR”) with the National Highway Traffic Safety Administration (“NHTSA”) and/or a Defect Information Notice (“DIN”) with Transport Canada (“TC”) informing the agencies of our intent to conduct a voluntary safety recall.
It is a violation of federal law for a dealer or distributor to deliver a new motor vehicle or any new or used item of motor vehicle equipment (including a tire) covered by this notification under a sale or lease until the defect or noncompliance is remedied. Some of the vehicles subject to this “Stop Delivery Order” may be in your new vehicle inventory. Until further instructions are available, new vehicles subject to this “Stop Delivery Order” must be held and not delivered to customers.
DTNA strongly recommends that dealers and distributors remedy all recall before selling used vehicles. For any used vehicle with an open recall not remedied before sale, DTNA requires that the dealer or distributor notify prospective buyers of the open recall.
Affected VINs are visible in DTNA’s warranty system (OWL) via coverage information or by running the CM012 dealer report. Please ensure that registration information on vehicles subject to this recall is up to date to facilitate accurate owner notification.
Affected vehicles in FL999:
Make
Model
Model Year: Start
Model Year End
Prod. Start Date
Prod. End Date
Freightliner
108 SD
2023
2024
11/29/2022
05/25/2023
Freightliner
114 SD
2023
2024
12/09/2022
06/28/2023
Freightliner
122 SD
2023
2024
12/17/2022
01/04/2023
Freightliner
M2
2023
2024
11/28/2022
08/14/2023
Freightliner
Cascadia
2023
2024
10/04/2022
08/14/2023
Western Star
57X
2024
2024
1/19/2023
08/14/2023
Problem: A defect, which relates to motor vehicle safety, exists in certain model year 2023 through 2024 Freightliner Cascadia, Business Class M2, 122SD, 114SD, 108SD and Western Star 57X vehicles. On the affected vehicles, the inboard/inner bead seat flange of the steer axle wheels may crack. With continued operation of the vehicle, the crack may progress to the point where wheel flange sections may fail and eventually separate from the wheel/rim.
Solution: DTNA is preparing a remedy, which is currently under development. Repairs will be performed free of charge by Daimler Truck North America authorized service facilities.
Owner Notification Mailing Schedule: 06/02/2024

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