WenmarOpen by Wenmar Pro

Service bulletin TechTalk8097

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10188103
Published by NHTSA2021-03-03
Manufacturer's numberTechTalk8097
Manufacturer's date2021-02-06
NHTSA componentPOWER TRAIN; EQUIPMENT

NHTSA's summary

Tech Talk discussion on western star PTO.

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

Vehicles listed
WESTERN STAR 47002021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
22V3380002022-05-16. EQUIPMENT:OTHER:LABELS
21V2090002021-03-24. POWER TRAIN:CLUTCH ASSEMBLY
20V6340002020-10-14. EQUIPMENT:OTHER:LABELS; TIRES
20V2110002020-04-10. EQUIPMENT:OTHER:LABELS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
CXA 06_24_Clutch Bolts2024-07-09. Other. CX Advocate communication for clutch bolts
TSB35-023-WST2024-06-05. Service bulletin. Technical Service Bulletin for New Final Drive Over Heat Diagnostic
WSTCAE180-20202021-05-18. Service bulletin. Portland Truck Plant Paint Changes
WSTCAE177-20202021-05-18. Service bulletin. Meritor Transfer Case Updates
WSTCAE176-20202021-05-18. Service bulletin. Removable Front Tow Hook Changes
TechTalk238642021-05-05. Service bulletin. Tech Talk discussion on a belt stretch tool sent to service techs.
SS701-WST20212021-05-01. Service bulletin. Service Solution for DT12 Harness Chaffing - PT Can Faults. Transmission will not shift into Gear while driving or will not start and trigger multiple PT CAN Fault Codes.
WI21-0082021-04-23. Service bulletin. Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown. The updated times will be applied to repair orders opened on or after April 5, 2021.
D21M32021-03-31. Service bulletin. Detroit Field Service Campaign for DT12 Gear Grind During Downshift Software Update.
WP60-1002021-03-25. Service bulletin. Updated Western Star Parts Technical Bulletin for Universal Design Floor Mats. This bulletin replaces the version dated February 12, 2021. Information about parts notes in the Paragon system have been added and the trimming instructions are revised. Universal floor mat designs fit multiple cab configurations and may require trimming. Trim lines displaying size options are scored into the pad side of the mat; use an existing floor mat as a guide for optimal results. The new mat should not interfere with safety-critical equipment, such as foot pedals.