1998 GMC C/K Series technical service bulletins

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

• Aug 1, 2009 Service bulletinSaab/hummer/gm: diagnostic tips/recommendations when power steering pump replacement is necessary....
• Sep 1, 2005 Service bulletinMalfunction indicator lamp (MIL) on, transmission stuck in third gear, instrument cluster inoperative
• Dec 1, 2004 Service bulletinA no reverse, no second gear, or no fourth gear condition
• Jan 1, 2004 Service bulletinMalfunction indicator lamp on with a P0300 set and a misfire
• Nov 18, 2003 Service bulletin6.5L L49 L56 L57 L65 diesel engine requiring fuel injection pump replacement
• Feb 1, 2003 Service bulletinRough idle after start, and/or a service engine soon (SES) light
• Sep 1, 2002 Service bulletinA failure of the electronic diesel fuel injection pump, leaking to complaints of poor performance or fuel...
• Feb 1, 2002 Service bulletinSome customers may experience a failure of the electronic diesel fuel injection pump
• Nov 1, 2001 Service bulletinSubject regarding exhaust system rumble / rattle noise
• Jun 1, 2001 Service bulletinSome owners with vehicles built before january 15,1999 may comment on a harsh 1-2 upshift and may also...
• Apr 1, 2001 Service bulletinInformation pertaining to the new control valve body, spacer plate and gaskets for the 4L60-E automatic...
• Mar 23, 2001 Service bulletinSpecial policy adjustment for vehicles experiencing a failure of the electronic diesel fuel injection pump...
• Mar 1, 2001 Service bulletinSome vehicles may experience a failure of the electronic diesel fuel injection pump, leading to complaints...
• Nov 14, 2000 Service bulletinSome owners of 1996 - 1998 model year s/t, m/l, c/k, g, p and W4 trucks, that are registered in...
• Nov 1, 2000 Service bulletinSome owners of 1996 - 1999 s/t, m/l, c/k, g, p and W4 trucks may experience a service engine soon light,...
• Nov 1, 2000 Service bulletinSome vehicles may experience a service engine soon light, misfire, rough idle or hard start due to a...
• Sep 19, 2000 Service bulletinDeductible reimbursement clarification and VIN breakpoint correction to 00064 - special policy adjustment...