1997 GMC C 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.

• 10032462Saab/hummer/gm: diagnostic tips/recommendations when power steering pump replacement IS necessary. Analysis of returned power steering (ps) pumps that had been replaced for noise, no power assist, no or low pressure and leaking conditions has indicated a high number of no trouble found results. All 1997-2010 vehicles and light trucks; 2010 and prior hummers H2/H3 and saab 9-7X vehicles.
• 10004297Effect of steering box limiter adjustment on turning radius and possibility of power steering system damage due to improper adjustment. Various 1990-2004 models.
• 10000167Engine stall, no start, hard start condition.
• 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.
• 6089156Concerns with intermittent multifunction alarm activation.
• 6088963Some owners may complain that of noise from the clutch housing, clutch may not engage, clutch disc hub cracked / broken.
• 634850Some customers and dealers may comment on accelerated uneven brake pad wear on some vehicle with four-piston fixed caliper rear disc brakes.
• 632346Subject regarding revised drum brakes component specifications for pickup and utility models.
• 632332Subject regarding revised drum brakes component specifications.
• 629530Subject regarding service diagnosis/recommendations for inoperative air conditioning systems.
• 628945Some customers and dealers may comment on accelerated uneven brake pad wear on F6-7 medium duty tilt cab models and H6-7 conventional medium duty models.
• 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.
• 627790Information regarding fuel transfer pump inoperative.
• 627737Information regarding correct vehicle application for eaton. 1990-2002 chevrolet and GMC c-series conventional and t-series tilt cab medium duty models.
• 627626Information regarding poor ride quality. (H6-7 c-series conventional medium duty models).
• 623445Some customers may comment on inoperative secondary fuel tank transfer pumps.
• 623426Technical service bulletin regarding fuel transfer pump inoperative.
• 619242This message concerns certain 1997 through 2001 medium duty trucks with spicer seven speed manual transmissions exhibiting heavy vibration that increases with speed and / or an oil leak and / or a cracked engine block.
• 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
• 609114Clutch pedal separation from pivot bracket.
• 608388Brake lead/pull and front brake wear. *Mjs
• 607590Experiencing a squeak and rattle noise from engine compartment.
• 606765Some cab chassis, crew cab, and pickup models may exhibit a brake lead / pull and front brake wear.
• 606549Subject regarding engine surge while trailering.

Every GMC C Series model year

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