1998 GMC Sonoma technical service bulletins

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

• May 9, 2023 Service bulletinStructure: body: tailgate
• Feb 21, 2023 Service bulletinThis warranty administration bulletin provides information regarding the field action courtesy...
• Jan 14, 2022 Service bulletinFuel system, gasoline
• 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...
• Feb 17, 2016 Service bulletinPower train: automatic transmission: torque converter
• Dec 4, 2015 Service bulletinEquipment: electrical: anti-theft devices
• Oct 21, 2015 Service bulletinPower train
• 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
• Oct 23, 2006 Service bulletinClunk noise felt through the floor pan
• Oct 4, 2006 Service bulletinTailgate cable slack
• Jan 6, 2006 Service bulletinFuel and temperature gauge inoperative, low fuel and battery light on, prndl inoperative
• Jan 1, 2006 Service bulletinAntilock brake (ABS) activation at low speeds
• Aug 1, 2005 Service bulletinDiagnosis of cracked or broken transmission case
• Apr 21, 2005 Service bulletin4WD models with noise, vibration on dry pavement
• Nov 17, 2004 Service bulletinService engine soon light and P0300 when towing, cruising uphill or on hard acceleration
• Sep 27, 2004 Service bulletinFuel gauge fluctuation in park or neutral
• Mar 1, 2004 Service bulletinRattle noise in engine
• Feb 1, 2004 Service bulletinDiagnostic information for intermittent vehicle no crank dead battery
• Jan 1, 2004 Service bulletin4.3 L35 LU3 rattle or buzz noise from engine
• Jan 1, 2004 Service bulletin4L60E, 4L65E forward and low reverse waved steel clutch plate appearance change
• Jan 1, 2004 Service bulletinEngine coolant leak at intake gasket
• Jan 1, 2004 Service bulletinDaytime running lamps (DRLS) turn off temporarily while the turn signals are activated
• Jan 1, 2004 Service bulletinDriver information center (DIC) stays in bulb check
• Jan 1, 2004 Service bulletinInstrument cluster prndl inoperative and or battery light on
• Jan 1, 2004 Service bulletinHeat coming from vents with HVAC off
• Jan 1, 2004 Service bulletinService engine soon (SES) light illuminated, diagnostic trouble code P0420 set
• Nov 18, 2003 Service bulletinClunk noise felt through floor pan
• Nov 1, 2003 Service bulletin4L60-E automatic transmission oil pump first and second design identification
• Aug 1, 2003 Service bulletinMalfunction indicator lamp (MIL) is on; the transmission is stuck in third gear; and / or the instrument...
• Jul 1, 2003 Service bulletinWater leak in front floor carpet area
• Feb 1, 2003 Service bulletinSlips in 4-WHEEL drive, noise, vibration, leaks, hot odor
• Dec 1, 2002 Service bulletinRevised heater / vent module replacement
• 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 bulletinSubject regarding general waterleak guide
• Jun 1, 2002 Service bulletinSome vehicles will not move when 4-WHEEL drive is requested, noise, shudder, poor performance,...
• Apr 10, 2002 Service bulletinInformation on over torquing or a reverse bedrail installation
• Apr 1, 2002 Service bulletinSubject regarding rust in cooling system, heater inoperative, blows cold air, engine overheats (flush...
• Mar 1, 2002 Service bulletinSome customers may comment that the third door is hard to open and/or the door handle may be broken for...
• Feb 25, 2002 Service bulletinInformation on replacing corroded trailer pre-wire harness at the rear bumper
• Jan 25, 2002 Service bulletinConcerns with excessive effort or breaking of the third door handle on extended cab pick ups
• Sep 27, 2001 Service bulletinSubject regarding necessary resurfacing of the park brake drum
• Aug 22, 2001 Service bulletinCustomers may comment that the seat recliner handle is stripped
• Aug 9, 2001 Service bulletinCustomers may complain of excessive oil consumption and having to add oil between changes
• Jun 6, 2001 Service bulletinInformation regarding improved bus seat decliner assemblies, the handle on the recliner assembly is...
• Jun 1, 2001 Service bulletinSome customers may comment that the heater is inoperative, blows cold air, engine may exhibit an overheat...
• May 1, 2001 Service bulletinSome customers may comment that the security lamp illuminates while driving; the security lamp may be on...
• Aug 30, 2000 Service bulletinSubject regarding the new reclincer assembly
• May 1, 2000 Service bulletinSome customers may experience illumination of the service engine soon (SES) light and code P0300 (general...
• Aug 25, 1998 Service bulletinSome vehicles may exhibit a increased oil consumption
• Aug 24, 1998 Service bulletinSome vehicles may exhibit increased oil consumption
• Aug 1, 1998 Service bulletinExhibiting increased oil consumption
• Aug 1, 1998 Service bulletinValve rocker arm cover failed, causing oil cnsumption to increase
• Aug 1, 1998 Service bulletinCustomer satisfaction campaign involving vehicles exhibiting increased oil consumption