1998 GMC Suburban 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...
• 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
• Sep 23, 2006 Service bulletinLeft front axle shaft difficult to remove
• Sep 28, 2005 Service bulletinFour wheel drive inoperative and the 4WD service light will illuminate
• Mar 1, 2005 Service bulletinReplacement of connector when replacing fuel tank module/fuel pump module
• 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 1, 2003 Service bulletin4L60-E automatic transmission oil pump first and second design identification
• Aug 1, 2003 Service bulletinRevised steering wheel position sensor or steering shaft lower bearing replacement procedure and steering...
• Apr 18, 2003 Service bulletinElectric outside rearview mirror switch short circuit
• Feb 1, 2003 Service bulletinSlips in 4-WHEEL drive, noise, vibration, leaks, hot odor
• 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...
• Sep 1, 1999 Service bulletinBrake lead/pull and front brake wear
• Jun 1, 1999 Service bulletinSome cab chassis, crew cab, and pickup models may exhibit a brake lead / pull and front brake wear
• Sep 1, 1998 Service bulletinVehicles leading or pulling to either side while applying the brakes, and premature front brake wear,...
• Apr 1, 1998 Service bulletinVehicle leading or pulling to either side while applying the brakes or front brake wear not meeting...