1990 Chevrolet C Series technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Oct 18, 2023 Service bulletinThe following information is provided to clearly explain Isuzu’s policy for control module (engine,...
• Sep 1, 2004 Service bulletinEffect of steering box limiter adjustment on turning radius and possibility of power steering system...
• Oct 1, 2002 Service bulletinEngine stall, no start, hard start condition
• Mar 1, 2002 Service bulletinSubject regarding service diagnosis / recommendations for inoperative air conditioner systems
• Mar 1, 2002 Service bulletinSubject regarding service diagnosis/recommendations for inoperative air conditioning systems
• Nov 1, 2001 Service bulletinInformation regarding correct vehicle application for eaton
• Oct 1, 2001 Service bulletinInformation regarding poor ride quality
• Oct 1, 2001 Service bulletinInformation regarding fuel transfer pump inoperative
• Jun 1, 2001 Service bulletinTechnical service bulletin regarding fuel transfer pump inoperative
• Jun 1, 2001 Service bulletinSome customers may comment on inoperative secondary fuel tank transfer pumps
• Oct 1, 2000 Service bulletinSome owners may comment on high oil consumption after a gm goodwrench remanufactured 4.3L V6 engine is...
• Jan 1, 2000 Service bulletinSubject regarding a hard, no start or excessive gray or white smoke condition on start up after recent...
• Jan 1, 2000 Service bulletinGeneral motors began providing child restrain seat top tether hardware packages to customers in the united...
• Oct 1, 1999 Service bulletinConcerns with intermittent multifunction alarm activation
• Jun 1, 1999 Service bulletinSome vehicles built within VIN breakpoints XJ105482 and XJ510031 may exhibit inaccurate fuel guage...