My 2000 chevy caviler is overheating when i have t-stat in but not when i...

David

New member
...have t-stat out, why is this? I have changed my thermostat and radiator on my 2000 caviler. Made sure the thermostat worked by using torch test. The resevoior is also bubbling when it comes up to temp. It will go to 195 when it is idle but going down the road it starts to overheat. I did a block check and my head gasket is not leaking.
 
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