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Service bulletin 3635

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 id10016534
Published by NHTSA2005-09-21
Manufacturer's number3635
NHTSA componentSERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

NHTSA's summary

NO COMMUNICATION WITH ANTI-LOCK BRAKING SYSTEM AFTER EBCM REPLACEMENT. TO INCLUDE 2006 CHEVROLET HHR. *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

Brakes, Anti-lock brakes

Vehicles listed
CHEVROLET COBALT2005, 2006

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
PIT3271J2019-12-09. Service bulletin. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
34122005-10-29. Service bulletin. BRAKE SYSTEM WARNING LIGHT ILLUMINATES AT TIMES. *TT
7022005-09-09. Service bulletin. ANTI-LOCK BRAKING SYSTEM (ABS) CODE U2108. GM TECH LINKS. *TT