WenmarOpen by Wenmar Pro

Service bulletin 020310005

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 id634868
Published by NHTSA2002-10-10
Manufacturer's number020310005
Manufacturer's date2007-11-01
Replaces020310005B
NHTSA componentSUSPENSION

NHTSA's summary

DIAGNOSTIC INFORMATION FOR STEERING WHEEL SHAKE / VIBRATION (OSCILLATION) CONCERNS FOR C4500-C5500 CONVENTIONAL CABS. *TT UPDATED 03-19-07. *KB UPDATED 2/25/08. *NJ

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

Suspension

Vehicles listed
CHEVROLET C4500 NA2008
CHEVROLET KODIAK2003 to 2008
GMC C45002008
GMC C55002008
GMC TOPKICK2003 to 2007
GMC TOPKICK 65002006
GMC TOPKICK 85002006

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