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Service bulletin 4145

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 id10020589
Published by NHTSA2006-11-27
Manufacturer's number4145
Replaces4145A
NHTSA componentSTEERING:COLUMN

NHTSA's summary

STEERING COLUMN POP/RATTLE CONCERNS. *KB

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

Steering, Steering column and wheel

Vehicles listed
CHEVROLET COBALT2005, 2006, 2007
CHEVROLET HHR2006, 2007
PONTIAC G62007

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
0702350042007-11-02. Service bulletin. STEERING COLUMN RATTLE OR KNOCKING NOISE AT LOW SPEEDS (DIAGNOSIS AND REPLACE STEERING COLUMN, IF NECESSARY) *NJ
0602350082007-01-26. Service bulletin. STEERING COLUMN SHUDDER, NOISE, VIBRATION WHILE MAKING RIGHT HAND TURNS AT 5-15 MPH. *KB
40702006-07-14. Service bulletin. STEERING COLUMN RESTRICTION. *TT