Service bulletin SBW26-004
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10178944 |
| Published by NHTSA | 2020-08-29 |
| Manufacturer's number | SBW26-004 |
| Manufacturer's date | 2020-08-14 |
| NHTSA component | POWER TRAIN; EQUIPMENT |
NHTSA's summary
Western Star Service Bulletin for DT12 Transmission Cooler Retrofit.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Equipment and accessories, Transmission and driveline
| WESTERN STAR 5700 | 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 22V338000 | 2022-05-16. EQUIPMENT:OTHER:LABELS |
|---|---|
| 2020488 | 2020-10-16. Powertrain |
| 20V642000 | 2020-10-16. POWER TRAIN:CLUTCH ASSEMBLY |
| 2018714 | 2018-12-19. Powertrain |
| 18V903000 | 2018-12-19. POWER TRAIN:CLUTCH ASSEMBLY |
| 2017636 | 2017-12-18. Accessories |
| 17V810000 | 2017-12-15. EQUIPMENT |
| 17V452000 | 2017-07-17. EQUIPMENT |
| 17V315000 | 2017-05-11. POWER TRAIN:AXLE ASSEMBLY |
| 16V634000 | 2016-08-31. POWER TRAIN:AXLE HUBS |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| CXA_10_25_Tech Questions | 2025-11-05. Other. CX Advocate for technical questions/issues raised |
|---|---|
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| CXA_8_25_Tech Questions | 2025-09-02. Other. CX Advocate for technical questions/issues raised |
| TSB26-008-WST | 2025-05-02. Service bulletin. Service Solution for DT12 Oil Plug Ports |
| CXA 06_24_Clutch Bolts | 2024-07-09. Other. CX Advocate communication for clutch bolts |
| TSB35-023-WST | 2024-06-05. Service bulletin. Technical Service Bulletin for New Final Drive Over Heat Diagnostic |
| ICI22-017 | 2022-05-03. Service bulletin. Important Campaign Information Letter for DDC D21M1 Termination Date Extended. This letter is to inform you that a revised bulletin for Detroit Diesel Field Service Campaign D21M1, DT12 Transmission Drive Shaft Cover Plug Reseal has been EXTENDED for an additional three months. Please use the extended termination date for all work under D21M1 from this point forward. REVISION: D21M1 termination date extended to July 1, 2022. |
| SBW54-074 | 2022-02-05. Service bulletin. Revised Western Star Service Bulletin for Pana-Pacific 540 Radio Controls Not Operating Normally. Minor note: added an update of document previously submitted. The related VMRS codes are added |
| SBW41-002 | 2022-02-05. Service bulletin. Revised Western Star Service Bulletin for Drive Line Vibration. Minor note: added an update of document previously submitted. The related VMRS codes are added |
| WSTCAE176-2020 | 2021-05-18. Service bulletin. Removable Front Tow Hook Changes |