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June 3, 2024 NHTSA CAMPAIGN NUMBER: 24V393000
Wheel Detachment from Loose Wheel Hub Fasteners
A loss of vehicle control increases the risk of a crash.
NHTSA Campaign Number: 24V393
Manufacturer Daimler Trucks North America, LLC
Components WHEELS
Potential Number of Units Affected 285
Summary
Daimler Trucks North America, LLC (DTNA) is recalling certain 2025 Freightliner Custom Chassis MC, MT45, MT45G, MT55, S2C 106, S2RV 106, XBS, XCM, XCP, XCR, XCS, Freightliner 108SD, 114SD, Business Class M2, Western Star 47X, 49X, 57X, and Thomas Built Buses Saf-T-Liner C2 transit buses, cabs, and chassis. The wheel hub fasteners may loosen and cause the wheel to detach, which can result in a loss of vehicle control.
Remedy
The remedy is currently under development. Owner notification letters are expected to be mailed July 30, 2024. Owners may contact DTNA customer service at 800-745-8000. DTNA’s number for this recall is F1002.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Check for Daimler Trucks North America Recalls
Chronology :
On or about April 22, 2024, a vehicle being tested on a dynamometer at one of DTNA’s manufacturing plants experienced wheel end separation. The following day, DTNA notified the axle supplier of the incident and the supplier determined that the wheel on this vehicle separated because of a missing snap ring that should have been present in the preset wheel hubs. The supplier continued to review the concern and also identified units at DTNA’s facility that used 4-piece fastener hubs (a different wheel hub component) where the locking tabs on the retainer washier were not bent inwards as required. From late April through early May 2024, the supplier continued to inspect other recently built vehicles at the DTNA manufacturing facility. Up to this point, the supplier’s investigation was focused on the rear axle and on May 6, 2024, it also began to analyze whether the issue may also be present on the front axle. A review of additional units could not confirm whether the locking tabs were correctly positioned. Thereafter, DTNA and the supplier continued to review the concern and DTNA conducted a detailed review of any potentially related reports and claims. On May 30, 2024, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on the vehicles built within the above-mentioned manufacturing date range. DTNA is not aware of any warranty claims, field service reports, deaths, injuries or property damage claims related to wheel separations from this issue.
19 Affected Products
Vehicles
MAKE | MODEL | YEAR |
FCCC | MC | 2025 |
FCCC | MT45 | 2025 |
FCCC | MT45G | 2025 |
FCCC | MT55 | 2025 |
FCCC | MT55G | 2025 |
FCCC | S2C | 2025 |
FCCC | S2RV | 2025 |
FCCC | XBS | 2025 |
FCCC | XCM | 2025 |
FCCC | XCP | 2025 |
FCCC | XCR | 2025 |
FCCC | XCS | 2025 |
FREIGHTLINER | 108SD | 2025 |
FREIGHTLINER | 114SD | 2025 |
FREIGHTLINER | BUSINESS CLASS M2 | 2025 |
THOMAS BUILT BUSES | SAF-T-LINER C2 | 2025 |
WESTERN STAR | 47X | 2025 |
WESTERN STAR | 49X | 2025 |
WESTERN STAR | 57X | 2025 |
2 Associated Documents
Recall 573 Report
RCLRPT-24V393-3607.PDF 230.63KB
Recall Acknowledgement
Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=24V393&docType=RCL
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SEOCONTENT-START
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-393
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Daimler Trucks North America, LLC MAY 31, 2024 NHTSA Recall No. : 24V-393 Manufacturer Recall No. : F1002 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 : 285 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2025-2025 FCCC MC CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : MAR 20, 2024 – MAR 26, 2024
VIN Range 1 : Begin : NR End : NR ntial Part 573 Safety Recall Report 24V-393 Page 2 Vehicle 2 : 2025-2025 FCCC MT45 CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : FEB 15, 2024 – MAY 01, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 3 : 2025-2025 FCCC MT45G CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : GAS
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : FEB 07, 2024 – MAY 02, 2024
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-393 Page 3 Vehicle 4 : 2025-2025 FCCC MT55 CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : FEB 08, 2024 – MAY 02, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 5 : 2025-2025 FCCC MT55G CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : GAS
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : FEB 09, 2024 – APR 18, 2024
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-393 Page 4 Vehicle 6 : 2025-2025 FCCC S2C 106 CAB & CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : FEB 16, 2024 – APR 10, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 7 : 2025-2025 FCCC S2RV 106 CAB & CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : FEB 05, 2024 – APR 24, 2024
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-393 Page 5 Vehicle 8 : 2025-2025 FCCC XBS CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : MAR 22, 2024 – MAR 22, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 9 : 2025-2025 FCCC XCM CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : FEB 13, 2024 – APR 03, 2024
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-393 Page 6 Vehicle 10 : 2025-2025 FCCC XCP CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change. Production Dates : MAR 08, 2024 – MAR 08, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 11 : 2025-2025 FCCC XCR CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : FEB 15, 2024 – APR 22, 2024
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-393 Page 7 Vehicle 12 : 2025-2025 FCCC XCS CHASSIS Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change. Production Dates : FEB 05, 2024 – APR 12, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 13 : 2025-2025 Freightliner 108SD Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : MAR 15, 2024 – MAR 15, 2024
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-393 Page 8 Vehicle 14 : 2025-2025 Freightliner 114SD Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change. Production Dates : FEB 02, 2024 – MAR 14, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 15 : 2025-2025 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 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : FEB 05, 2024 – APR 22, 2024
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-393 Page 9 Vehicle 16 : 2025-2025 Western Star 47X
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : FEB 05, 2024 – FEB 12, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 17 : 2025-2025 Western Star 49X
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : MAR 06, 2024 – MAR 20, 2024
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-393 Page 10 Vehicle 18 : 2025-2025 Western Star 57X
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : MAR 08, 2024 – MAR 08, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 19 : 2025-2025 Thomas Built Buses SAF-T-LINER C2 Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : This recall population includes certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 Chassis, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP Chassis, XCR
Chassis, XCS CHASSIS), model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The subject population includes vehicles equipped with axles that were manufactured at the Cummins Meritor facility in York, South Carolina. The vehicle population has been determined based on the information provided by Cummins Meritor and excludes vehicles with axles manufactured at other supplier facilities and before and after a supplier process change.
Production Dates : MAR 11, 2024 – MAR 11, 2024
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-393 Page 11 Description of Defect :
Description of the Defect : A defect, which relates to motor vehicle safety, exists in certain model year 2025 Freightliner (models: 108SD, 114SD, Business Class M2), model year 2025 Freightliner Custom Chassis (models: MC CHASSIS, MT45 CHASSIS, MT45G CHASSIS, MT55 CHASSIS, S2C 106 CAB & CHASSIS, S2RV 106 CAB & CHASSIS, XBS CHASSIS, XCM CHASSIS, XCP CHASSIS, XCR CHASSIS, XCS
CHASSIS, model year 2025 Western Star (Models: 47X, 49X, 57X) and model year 2025 Thomas Built Buses (model: SAF-T-LINER C2) Non-School vehicles. The affected vehicles may be missing the snap ring on the preset hubs and/or have unbent retainer tabs on the conventional 4-piece fastener hubs. This could allow the wheel hub fasteners to loosen, creating excessive endplay in the wheel-end system.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : If the loose or missing hub fasteners are not addressed and progress to the
point of allowing excessive endplay in the wheel-end system, wheel separation may occur resulting in an increased risk of loss of vehicle control and a crash.
Description of the Cause : NR Identification of Any Warning
that can Occur : Wheels with excessive endplay may trigger anti-lock braking system (ABS) diagnostic trouble codes & may also result in hub
oil leakage because of a failed hub seal. Involved Components : Component Name 1 : RETAINER RING,SNAP,PLUS,FL1
Component Description : Retainer Snap Ring (Preset Hub) Component Part Number : CM 10031172 Component Name 2 : WASHER – TANGED Component Description : Retainer Washer Component Part Number : 11-28988-000 Supplier Identification : Component Manufacturer The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-393
Page 12
The information contained in this report was submitted pursuant to 49 CFR §573
Name : Meritor Incorporation Address : 2135 West Maple
Troy Michigan 48084 Country : United States
Chronology :
On or about April 22, 2024, a vehicle being tested on a dynamometer at one of DTNA’s manufacturing plants experienced wheel end separation. The following day, DTNA notified the axle supplier of the incident and the supplier determined that the wheel on this vehicle separated because of a missing snap ring that should have been present in the preset wheel hubs. The supplier continued to review the concern and also identified units at DTNA’s facility that used 4-piece fastener hubs (a different wheel hub component) where the locking tabs on the retainer washier were not bent inwards as required. From late April through early May 2024, the supplier continued to inspect other recently built vehicles at the DTNA manufacturing facility. Up to this point, the supplier’s investigation was focused on the rear axle and on May 6, 2024, it also began to analyze whether the issue may also be present on the front axle. A review of additional units could not confirm whether the locking tabs were correctly positioned. Thereafter, DTNA and the supplier continued to review the concern and DTNA conducted a detailed review of any potentially related reports and claims. On May 30, 2024, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on the vehicles built within the above-mentioned manufacturing date range. DTNA is not aware of any warranty claims, field service reports, deaths, injuries or property damage claims related to wheel separations from this issue.
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 :
Identify How/When Recall Condition was Corrected in Production : The remedy component will prevent excessive end play within the wheel hub assembly.
The supplier advised DTNA that axles produced after April 17, 2024 were subject to a different inspection process. 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 : JUN 20, 2024 – JUN 20, 2024
Planned Owner Notification Date : JUL 30, 2024 – JUL 30, 2024
* NR – Not Reported
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