2008 GMC Envoy Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2008 GMC Envoy

2008 GMC Envoy Problems

Erratic Fuel Gauge Operation

The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.

On certain 2005 - 2007 vehicles, General Motors has provided a special service policy covering the fuel level sensor, agreeing to pay 50% of the repair cost. This coverage extends for 10 years or 120,000 miles from the original "in service" date of the vehicle. Please contact your local GM dealer for more information.

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Rear Suspension Low Due to Failed Air Compressor

On vehicles equipped with rear air springs, the air compressor may fail causing the rear suspension to sit low.

Loss of One or More HVAC Blower Motor Speeds

The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.

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2008 GMC Envoy Questions

Why is my engine light on, when mechanics can't find anything wrong with it? (1 answer)

The engine light is always on. We were told that our gas cap needed to be replaced. We did that, and the light went off for a while, but came back on. Mechanics have hooked it up to the conputer, and still cannot figure out the problem.

where is the temperature/coolant sensor located (1 answer)

where is the temperature/coolant sensor located on the 2008 GMC Envoy

Cost to replace window regulator (2 answers)

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