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Service bulletin 01526

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 id10005463
Published by NHTSA2004-02-28
Manufacturer's number01526
Manufacturer's date2004-01-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

NHTSA's summary

BELT SQUEAL. SIT BULLETIN 1406354. *TT

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
BUICK RAINIER2004
CHEVROLET TRAILBLAZER2004
GMC ENVOY2004
OLDSMOBILE BRAVADA2004

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

Other bulletins for the same vehicles and component
PIP3694F2015-06-18. Service bulletin. GENERAL MOTORS 2004-2012 CHEVROLET TRAIL BLAZER , CHEVROLET COLORADO, GMC ENVOY , GMC CANYON, HUMMER H3. BULLETIN REGARDING BELT NOISE OF ENGINE, ROUGH IDLE. *LJ
01526A2004-02-25. Service bulletin. BELT NOISE SQUEAL OR SQUEAK. *MN *MJ