GMC Sierra 2500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your GMC Sierra 2500

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GMC Sierra 2500 Problems

Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.

Service 4WD Message May be Displayed

The 4WD transfer case position sensor or the selector switch may fail causing the service 4WD message to be displayed.

Stalling or Low Engine Idle Speed Due to Dirty Throttle Body

A dirty throttle body may cause a lower than normal idle and possible stalling condition. Performing a throttle body service will commonly correct this concern.

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GMC Sierra 2500 Questions

2001 gmc 2500 sierra won't turnover or start. (1 answer)

I drove 45 miles the other day and then turned my truck off for about 10 minutes. I tried to turn the truck on and it tried to turnover once and didn't start, I turned the key to the start position about 3 or 4 more times and nothing happened, I waited a second and tried one more time and it ...

Drivers side front end is screeching on left turns and rumbles when I go straigh (1 answer)

The front end is giving me trouble when I turn left it sounds almost like metal rubbing together and then when I go on a straight stretch its has a low rumble in the front end as well. Sometimes it's doesn't screech but always rumbles what could this be?

My fuel gauge would not work on long trips it froze and wouldn't move until I turn the truck off. I replaced the fuel pump and the sending unit and still the gauge freezes up. Any ideas (1 answer)

Truck has 100,000 miles on it. Just a long trips. When Im idling the gauge moves.

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GMC Sierra 2500 Recalls

Recall 07V521000
ON CERTAIN PICKUP TRUCKS EQUIPPED WITH AN 8.1L V8 ENGINE, THE CRANKSHAFT POSITION CAN OPERATE INTERMITTENTLY OR FAIL COMPLETELY. IF THE SENSOR OPERATES INTERMITTENTLY, THE SES LIGHT MAY ILLUMINATE AND THE VEHICLE MAY RUN ROUGH. THE ENGINE MAY STALL, AND IF SO, MAY RE-START IMMEDIATELY OR AFTER ...
Fuel May Leak from Fuel Rail

The retainer clip for the fuel rail pulse damper may fracture and allow the damper to come loose from the fuel rail. A fuel leak in the presence of an ignition source may result in a fire. Dealers will replace the engine fuel rail pulse damper free of charge. The recall began August 31, 2006. The GM recall number is 06080.

Recall 06V066000
CERTAIN PICKUP TRUCKS HAVE GALVANIZED-BRAIDED-STEEL TAILGATE SUPPORT CABLES USED TO SUPPORT THE TAILGATE IN THE FULL OPEN (HORIZONTAL) POSITION. OVER TIME THESE CABLES CAN CORRODE AND FRACTURE WHEN LOADS ARE APPLIED TO THEM.

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GMC Sierra 2500 Reviews

bought my GMC 2500 in 2004 new, has 135,000 miles on it, when making turns there is a knocking noise in the steering shaft nobody has ever been able to fix it, interior on drive side had to be replaced, ac blow hot air , have to cut truck off and restart to get cool air, sometimes it works sometimes it does't, there is a noise that sound like the drive shaft is hitting something, replaced fro...
My sierra was a terrific truck until it spontaniously caught fire while the truck was off and parked in my drivway. If your blower motor stops or electrical things start becoming irratic gages...ect. Keep your truck out of your garage and get it checked. a.s.a.p.
Great truck over all, however mine's AC just stopped working out of the blue one day and even though all the fuses and relays are good the unit is still not getting any power

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