1996 GMC K Series

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.

• 10246631Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
• 10232287This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 6092348Failure of the electronic diesel fuel injection pump, leading to complaints of poor performance or fuel economy, hard / no starts, hesitation, illumination of the service engine soon light.
• 6091427Some customers may comment on hard, no, or slow start, backfire or kickback during crank / start, grinding or unusual noises during crank, diagnostic trouble code p0338.
• 6089206Special policy adjustment covering the sequential central port fuel injector (scpi) failure condition.
• 6088963Some owners may complain that of noise from the clutch housing, clutch may not engage, clutch disc hub cracked / broken.
• 628938Information used when diagnosing noise conditions such as engine rattle noise, spark knock at 2000 - 2500 rpm range, under a moderate to heavy load with a warmed up engine.
• 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).
• 628910Special policy adjustment for vehicles experiencing a failure of the electronic diesel fuel injection pump, leading to complaints of poor performance of fuel economy, hard/ no starts, hesitation, as well as illumination of the service engine soon light.
• 628905Some customers may comment on rough idle after start up, especially after setting overnight.
• 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.
• 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).
• 611250Metal contamination may be found in the fuel filter and filter housing on vehicles with 6.5L diesel engines.
• 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.
• 609743General motors began providing child restrain seat top tether hardware packages to customers in the united states who requested them.
• 609709Subject regarding a hard, no start or excessive gray or white smoke condition on start up after recent glow plug replacement.
• 609696Some customers may comment on rough idle after start up, and / or a service engine soon (ses) light illuminated.
• 609676Fuel solenoid driver located on the side of the fuel injection pump failed, causing vehicle to no start or stall.
• 609641Park/neutral position switch connector cannot be removed. Yd
• 609582Rough idle after start, when vehicle has sat overnight and poppets sticking.
• 609579Oil weep or leak at gasket between upper and lower intake manifold. Yd
• 608388Brake lead/pull and front brake wear. *Mjs
• 606765Some cab chassis, crew cab, and pickup models may exhibit a brake lead / pull and front brake wear.
• 606549Subject regarding engine surge while trailering.
• 605961Customer may comment on engine knocking noise.
• 603824Comments about a low transmission fluid level or that the transfer case fluid IS overfilled.
• 602827Complaints that four wheel drive does not engage after installation of the updated four wheel drive fast actuator.
• 602824Comments of an extended engine cranking time during a hot restart in high ambient temperatures of 38 c (100 f).
• 602774Vehicles leading or pulling to either side while applying the brakes, and premature front brake wear, especially vehicles that have been used to tow a heavy load.
• 602772Concerns that the colder the outside temperature IS, the longer it takes for the front axle to engage when 4 wheel drive IS selected, or the front axle does not engage.
• 601901Subject on accessory drive belt noise due to power steering pump pulley misalignment.
• 601900Comments that the fuel gauge indicates empty after only going 200 to 250 miles, and they are only able to put approximately 23 gallons or less of fuel in the 30 gallon tank.
• 601414Technicians may experience difficulty in removing the connectors from the park/neutral position switch, usually when trying to remove the switch during transmission service.
• 601128Vehicle leading or pulling to either side while applying the brakes or front brake wear not meeting expectations.
• 601127Complaints that their vehicle IS difficult to start or will not start.
• 600430Comments of a no start, stall condition.
• 52601Engine noise (install valve stem oil seal).
• 52600Cln indicator appears on radio display and does not turn off (reset cln indicator with the eject button on tape).
• 52595Easy entry seat noise, movement, high adjustment effort (replace riser assembly).

Every GMC K Series model year

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