1998 GMC W4

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10248444Vehicle Recalls
• 10246631Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
• 10232287This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10082506This technical bulletin provides a procedure to reprogram the media disc player with the latest calibrations to correct a condition of the rear entertainment system not operating as intended in colder ambient temperature areas due to calibration concerns.
• 628925Some owners may experience a service engine soon light, misfire, rough idle orhard start due to a deposit build-up on the sequential central port fuel inujector (scpi) poppet valve(s).
• 619002Some vehicles may experience a service engine soon light, misfire, rough idle or hard start due to a deposit build-up on the sequential central port fuel injector (scpi) poppet valve(s).
• 617636Some owners of 1996 - 1999 s/t, M/L, c/k, g, p and W4 trucks may experience a service engine soon light, misfire, rough idle or hard start due to a deposit build-up on the sequential central port fuel injector (scpi) poppet valve(s).
• 617575Some owners of 1996 - 1998 model year s/t, M/L, c/k, g, p and W4 trucks, that are registered in california, equipped with 4.3L, 5.0L or 5.7L engine, and california emissions, may experience a service engine soon light, misfire, rough idle or hard start due to a deposit build-up on the sequential central port fuel injector (scpi) poppet valve(s).
• 616390Service engine soon light, misfire, rough idle, or hard start due to a deposit build-up on the sequential central port fuel injector (scpi) poppet valve(s). The deposit build-up may cause injector poppets to stick closed.
• 615107Some vehicles may exhibit a condition in which the intermediate steering shaft-to-steering gear attching bolt may hve been under-torqued. This product safety campaign involves inspecting the bolt for damage.
• 613602Some owners may experience a service engine soon light, misfire, rough idle or hard start. **Mr
• 612133Some vehicles may experience a service engine soon light, misfire, rough idle or hard start due to a deposit build up on the sequential central port fuel injector (scpi) poppet valve(s).
• 609762Some vehicles that are registered in california, equipped with a 4.3L, 5.0L or 5.7L engine and california emissions, may experience a service engine soon light, misfire, rough idle or hard start.
• 603983Comments on an engine stall or a slight surge at a stop or when the transmission IS shifted into drive or reverse.

Every GMC W4 model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.