Questions & Answers for: change thermostat 2002 envoy

2002 gmc envoy slt possible over heating On my 2002 envoy while drining on normal highway or streets the temperature in at 190 or 195 but when I go up on steep hills or roads the temperature hits 210 ...

truck is over heating. changed thermostat. still truck is over heating. changed thermostat. still over heating. Hello, you may have a blockage some where in the system or possible air in the system. ...

...and the water will boil with a bag bang! if the engine go's into the "red!" and that bothers you change the ...

2002. The engine temperature is going up sometimes to reach the red limit specially when i turn on the ac i changed the clutch ,the water pump and i cleaned the radiator and nothing changed it is like

...change your thermostat, it's stuck open and is not allowing the engine to properly heat up. By the way, there are 2 92 sensors on Envoys and Trailblazers. One of them upstream is in the engine ...

...or coolant temp ,change the thermostat it is a known problem ...located under the alternater very hard to change make sure you get an acdelco or dealer part ;) assuming it is the in line ...

...change the heater valve because of it leaking. My temp gauge stays at about half (210-212). Topped off coolant. Do you think I have a thermostat or water pump problem? 210 is normal operating ...

...thermostat on my 03 Envoy. Now the air conditioning won't work. It blows hot air out of the inside vents, with the heater turned off. When you changed the stat, you probably disconnected the ...

...change thermostat It pretty much boils down to removing the thermostat housing and removing the theremostat and reversing this procedure to install.  How you must actually go about this can vary ...