2004 GMC Envoy Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 GMC Envoy
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2004 GMC Envoy ProblemsErratic 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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On vehicles equipped with rear air springs, the air compressor may fail causing the rear suspension to sit low.
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.
2004 GMC Envoy QuestionsHow to fix my security light in windshield not blinking is there a fuse (1 answer)
When I turn on security system my light doesn't blink anymore is there a fuse for this
friends car started with a ticking/knocking sound, smells a little like burnt oil but has oil in it. also will shake een idling. Almost sounds like sucking air sound too. And yes we are both women....
The issue is inconsistent. What are fixes and what is possible damage to my engine/vehicle? If this is a common problem why is there not a GMC recall?
2004 GMC Envoy RecallsTurn Signals May Operate Like Hazard Flashers
The turn signals may operate like hazard flashers when intending to signal for a turn. The driver may not be able to clearly signal their intentions, increasing the risk of a crash. Dealers will replace the suspect flasher modules with a new flasher designed with sealed relays for better durability. The recall began August 4, 2005. The GM recall number is 05044.