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

Check Engine Light Due to Gas Cap Issue

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

Replace spark plugs every 100,000 miles

The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.

Erratic Fuel Gauge Operation

It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.

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GMC Sierra 2500 Questions

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.

Why replace the whole fuel pump module to fix fuel level sensor? (1 answer)

Fuel pump is working fine.

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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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