WenmarOpen by Wenmar Pro

Service bulletin SB-41-1

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 id10028711
Published by NHTSA2009-05-19
Manufacturer's numberSB-41-1
Manufacturer's date2009-02-01
NHTSA componentPOWER TRAIN:DRIVELINE:DRIVESHAFT; POWER TRAIN:DRIVELINE:UNIVERSAL JOINT

NHTSA's summary

THOMAS BUILT: NEW TIGHTENING PROCEDURE HAS BEEN DEVELOPED FOR HALF ROUND U JOINT BEARING STRAP CAPSCREWS, WHICH SHOULD EXTEND U JOINT LIFE. MODEL YEARS UNKNOWN. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Driveshaft

Vehicles listed
THOMAS SAF-T-LINER C22004 to 2005
THOMAS BUILT BUSES SAF-T-LINER C21995 to 2010

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