WenmarOpen by Wenmar Pro

Service bulletin TSB-101030

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 id10034570
Published by NHTSA2010-12-07
Manufacturer's numberTSB-101030
Manufacturer's date2010-08-02
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

NHTSA's summary

CUMMINGS: AUTOMATIC BELT TENSIONER REPLACEMENT DUE TO DRIVE BELT NOISE. IN MANY CASES, THE AUTOMATIC BELT TENSIONER IS NOT THE CAUSE OR ORIGIN OF THE DRIVE BELT NOISE, AND REPLACEMENT OF THE BELT AND BELT TENSIONER WILL TYPICALLY PROVIDE ONLY TEMPORARY RELIEF. NO MODEL OR MODEL YEARS LISTED. *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

Engine, Drive belts

Vehicles listed
CUMMINS CUMMINS
CUMMINS ISB CM2150

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