1998 GMC Yukon technical service bulletins

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

• Feb 21, 2023 Service bulletinThis warranty administration bulletin provides information regarding the field action courtesy...
• Jan 14, 2022 Service bulletinFuel system, gasoline
• Dec 2, 2019 Service bulletinThis informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco...
• Nov 22, 2019 Service bulletinEquipment: electrical: anti-theft devices
• May 31, 2018 Service bulletinEquipment
• Mar 15, 2017 Service bulletinThis warranty administration bulletin provides policy information with the field action courtesy...
• Aug 26, 2016 Service bulletinThis technical bulletin provides a procedure to reprogram the media disc player with the latest...
• Dec 4, 2015 Service bulletinEquipment: electrical: anti-theft devices
• Jun 30, 2014 Service bulletinVehicle Recalls
• May 9, 2014 Service bulletinThis informational bulletin provides the technician with information on what E85 fuel may due to a non E85...
• Sep 1, 2013 Service bulletinExpanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
• May 3, 2013 Service bulletinEngine and engine cooling
• Nov 28, 2012 Service bulletinThis informational bulletin provides a step by step procedure on how to properly use the GM chemicals to...
• Sep 23, 2006 Service bulletinLeft front axle shaft difficult to remove
• Jan 1, 2006 Service bulletinAntilock brake (ABS) activation at low speeds
• Sep 28, 2005 Service bulletinFour wheel drive inoperative and the 4WD service light will illuminate
• Aug 1, 2005 Service bulletinDiagnosis of cracked or broken transmission case
• May 10, 2005 Service bulletin4WD inoperative and diagnostic trouble code (DTC) U1026 atc fuse open
• Apr 21, 2005 Service bulletin4WD models with noise, vibration on dry pavement
• Mar 1, 2005 Service bulletinReplacement of connector when replacing fuel tank module/fuel pump module
• Nov 17, 2004 Service bulletinService engine soon light and P0300 when towing, cruising uphill or on hard acceleration
• Jan 1, 2004 Service bulletinMalfunction indicator lamp on with a P0300 set and a misfire
• Jan 1, 2004 Service bulletin4L60E, 4L65E forward and low reverse waved steel clutch plate appearance change
• Jan 1, 2004 Service bulletin93-00 full size utilities (gmt 400 old style only) AC blows warm and the high side pressure is too high
• Nov 18, 2003 Service bulletin6.5L L49 L56 L57 L65 diesel engine requiring fuel injection pump replacement
• Nov 18, 2003 Service bulletinPoor performance from a stop in 2WD, auto or 4WD hi
• Nov 18, 2003 Service bulletinMalfunction indicator lamp on with a P0300 set and a misfire
• Aug 1, 2003 Service bulletinMalfunction indicator lamp (MIL) is on; the transmission is stuck in third gear; and / or the instrument...
• Feb 1, 2003 Service bulletinSlips in 4-WHEEL drive, noise, vibration, leaks, hot odor
• Dec 1, 2002 Service bulletinAntilock brake (ABS) activation at low speeds on various models including the 1995 and 1996 envoy
• Oct 1, 2002 Service bulletinDiagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan
• Jun 1, 2002 Service bulletinSome vehicles will not move when 4-WHEEL drive is requested, noise, shudder, poor performance,...
• Sep 1, 2001 Service bulletinInformation regarding security lamp illumination on the instument panel, engine stalls
• Aug 1, 2001 Service bulletinInformation regarding security lamp illuminating on the instrument panel, engine stall, no start, and...
• Apr 1, 1999 Service bulletinCustomer may complain that the 4WD is inoperative