GMC Sierra 3500 HD Repair and Maintenance

A guide to problems, costs, maintenance and repair for your GMC Sierra 3500 HD

A Loose or worn gas cap may cause Check Engine Light to illuminate.

The keyless entry system may stop working. Our technicians tell us the key fobs and keyless entry receiver may need to be replaced to correct this fault.

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pulling it up like a 6% grade it will overheat and I have to pull over and let it cool down??

when docking trailer, low revving and slow moving steering becomes non-power. Brakes are quite often "soft" even when steering seems fine. Mechanic says rotors are fissured and needs new pads. Pump is leaking. Is this a Hydroboost thing or just steering pump. Is $3400.00 a reasonable pr...

Tech 2 code listed injection pump? Hoping it's only a Injection valve replacement?

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The ignition switch actuator can bind causing the ignition switch to stick in the "start" position. If this were to occur the actuator can unexpectedly release, cause the ignition switch to snap back into the "Accessory" position. This would cause the engine to turn off with an associated loss of brake and steering power assist. If these conditions were to lead to a crash the airbags may not deploy as expected. Dealers will inspect and replace the ignition lock housing as necessary to correct this concern.

If too much current is drawn from the auxiliary battery, the fusible link can melt, causing risk of fire. Dealers will replace the jumper harness with one that includes a 40 amp inline fuse, and provide vehicle owners with supplemental owners manual information free of charge to resolve the problem.

Vehicles equipped with a 6.6L diesel engine and dual fuel tanks are being recalled because the transfer pump that moves fuel from the rear tank to the front tank could cause the fuel gauge in show the incorrect fuel level. The engine could stall unexpectedly, increasing the risk of a crash. Dealers will inspect the fuel transfer pump and replace it as necessary to correct this concern. 

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the dash board is cracking bad in two spots

I OWN AN 09 3500 HD GMC WITH THE DURAMAX LOVE THE POWER AND INTERIOR , BUT THE REAR BRAKES TOTALY SUCKS AT 18000 I HAD TO REPLACE REAR ROTORS AND PAD THEY WERE 100% GONE NO PADS LEFT WHILE THE FROUNT BRAKES WERE NOT WOREN AT ALL THE WERE STILL IN SPECES FOR THE MILEAGE IT HAD ON IT. AT 31000 THE REARS HAD TO BE REPLCED AGAIN AND FROUNTS STILL WERE GOOD .

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