Having problems with your 2004 GMC Envoy ?
Hi my problem in my envoy 2004 is that I'm changed the water pump, fan clutch, radiator, thermostat and it's still overheating and evaporated the coolant on a 80 miles drive. My techs check and says that they didn't found anything. I'm appreciate any suggestion
Are the radiator hoses clear of kinks? Air flow in front of radiator is unobstructed? You have a 50/50 mix of coolant and water?
Remove radiator cap, run engine, and look for bubbles coming up. Bubbles indicate blown head gasket. Also check exhaust for excess moistness/steam.
Repair Help & Product Troubleshooting for 2004 GMC Envoy
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