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Service bulletins for the 2024 Western Star 4700

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

17 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
CXA_10_25_Conmet Oil Pan2025-11-05. Other. ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Issues
CXA 10_17_Reman Process2024-11-07. Other. ENGINE. CX Advocate for overview of the remanufacturing process.
SF679-DLR LTR2024-11-07. Service campaign. UNKNOWN OR OTHER. Revised Field Service Campaign for Virtual Technician Module. 2nd REVISION:Certain vehicles in Group B with Cummins engines have been reassigned to the newly created Group E. The Parts table has been updated to include the mounting bracket and fasteners required for Virtual Technician installation. A new SRT has been added to Campaign Group E: 996-F175E ECU, VIRTUAL TECHNICIAN, POPULATION E, INSTALL (SF679), 0.8 hours. Additionally, the Work Instructions have been revised to provide supplementary details for installing the Virtual Technician on vehicles with Cummins engines that were missing the Common Powertrain Controller (CPC) mounting bracket.
SF679-Bulletin2024-11-06. Service campaign. UNKNOWN OR OTHER. Revised Field Service Campaign for Virtual Technician Module. 2nd REVISION:Certain vehicles in Group B with Cummins engines have been reassigned to the newly created Group E. The Parts table has been updated to include the mounting bracket and fasteners required for Virtual Technician installation. A new SRT has been added to Campaign Group E: 996-F175E ECU, VIRTUAL TECHNICIAN, POPULATION E, INSTALL (SF679), 0.8 hours. Additionally, the Work Instructions have been revised to provide supplementary details for installing the Virtual Technician on vehicles with Cummins engines that were missing the Common Powertrain Controller (CPC) mounting bracket.
ICI24-0362024-11-06. Other. UNKNOWN OR OTHER. Important Campaign Information letter for SF679 – Revised Bulletin.
CXA 8_24_Conmet Oil Pan2024-09-07. Other. ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Failures
CXA 7_24_Reman Process V22024-08-19. Other. ENGINE. CX Advocate for overview of the remanufacturing process.
CXA 7_24_Reman Process2024-08-02. Other. ENGINE. CX Advocate for overview of the remanufacturing process.
CXA 7_24_Conmet Oil Pan2024-08-02. Other. ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Failures
CXA 06_24_Clutch Bolts2024-07-09. Other. POWER TRAIN. CX Advocate communication for clutch bolts
VSWP Customer Letter2024-06-22. Other. ENGINE. Customer letter regarding variable speed water pump.
SS763-WST2024-06-05. Other. ENGINE. Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
SS3144-FTL2024-05-07. Service bulletin. ENGINE AND ENGINE COOLING. Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
SF6792024-03-06. Service bulletin. EQUIPMENT. Revised Field Service Campaign for Virtual Technician Module. REVISION: The parts table has been updated.
ICI24-0042024-03-06. Service bulletin. EQUIPMENT. Important Campaign Information letter for SF679 Bulletin Revision. REVISION: The parts table has been updated.
SF6792024-02-06. Service bulletin. EQUIPMENT. Field Service Campaign for Virtual Technician Module
ICI23-0432023-12-06. Service bulletin. POWER TRAIN. Important Campaign Information Letter for SF680 Allison TCM Software Update / TT9108EN

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.