GMC Sierra 1500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your GMC Sierra 1500

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The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.

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.

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.

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The starter stays engaged n the only way to get it to stop is take the battery cable off.put 2 new starters on works good for about a month then happens again.

It still has a slight leak. What else could be the problem?

The other day on my way home it just feel off/lost power. Today it was hard starting, sound like it was flooding of starving for fuel. Made a quick trip, then went to make another and it started ran for about 30 feet (poorly) and died. Wouldn't start for a while, then 30 minutes later started...

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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.

Certain trucks are being recalled because the rear axle shaft may not have been properly heat treated prior to vehicle assembly and could fail while driving. If this were to occur a rear wheel could separate from the vehicle, increasing the risk of a crash. Dealers will inspect and replace the affected axles to correct this concern.

A fault can develop with the Electric Power Steering resulting in sudden loss of power steering assist, increasing the risk of a crash. Dealers will replace the power steering assist motor kit to correct this concern.

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with 93k now i just did a major tune up and fluid flush and exchange. The problems ive had are as follows; the water pump leaks , replaced for 600$. the speedo doesnt work.some of the heater lever lights and radio button lights on the dashboard dont work. the finish has worn off some control panel buttons.the front end tie rod ends and pullman rod are loose. the transmission lines leak. there ...

I bought this truck brand new in October 2000. It still runs great, especially in the winter. The AutoTrac system is totally awesome for winter driving. Even with 58k miles it still drives great. The only issues I've had is the fuel pump needed replacement and the right rear rotor needed to be turned right after I bought it.

over all the truck has been pretty good, the main problems have been the ac and heater controls are not reliable and all the gauges have failed and a little rust on roof.

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