WenmarOpen by Wenmar Pro

Service bulletin PAB031-2019

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 id10193649
Published by NHTSA2021-05-18
Manufacturer's numberPAB031-2019
Manufacturer's date2019-08-22
NHTSA componentPOWER TRAIN

NHTSA's summary

Thomas Built Buses Product Awareness Bulletin on Allison 2550 PTS w/ Detroit Engine (DD5)

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

Transmission and driveline

Vehicles listed
THOMAS BUILT BUSES SAF-T-LINER C21995 to 2011

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