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Service bulletins for the 2005 Chevrolet Cobalt

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.

646 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Labels and manuals are shown. Show all

Bulletins, newest first
G-2068572016-09-28. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14632 - SPECIAL COVERAGE (Q&A). ON DECEMBER 11, 2014, GENERAL MOTORS RELEASED SPECIAL COVERAGE ADJUSTMENT 14632. THE TOTAL NUMBER OF U.S. VEHICLES INVOLVED IS APPROXIMATELY 1.9 MILLION. IN ORDER TO ASSIST DEALERS WITH RESPONDING TO CUSTOMER INQUIRIES ABOUT THIS FIELD ACTION, ATTACHED IS A BRIEF Q&A DOCUMENT. PLEASE MAKE SURE THAT ALL EMPLOYEES WHO INTERACT WITH CUSTOMERS ARE FAMILIAR WITH THIS INFORMATION. CUSTOMER QUESTIONS THAT YOU ARE UNABLE TO ANSWER SHOULD BE REFERRED TO THE DEALER BUSINESS CENTER OR YOUR DISTRICT MANAGER - AFTERSALES.
08-089B2008-12-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. BUICK CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. CSC LETTER WAS RECEIVED. *PE
0400890552005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. PDI AND SERVICE GUIDE. *EH

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.