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General TechGood at troubleshooting? Have a non-specific issue? Discuss general tech topics here. IF YOUR QUESTION IS SPECIFIC TO A CERTAIN MODEL, IT DOES NOT GO IN THIS SECTION.
Is the radiator is new, not salvage ect.? Is it the correct radiator for the vehicle, you can get different size, ex. my lumina has a 5/8", or a 3/4" depth.
it is brand new and it was the exact same one that originally came with the vehicle.
Does it overheat with the heater on, turn on heat, see if that stops it from overheating, if it does, need to look into something else. I am making an assumption coolent, level is full, etc.
ok I just drove it and I was wrong...it stays at perfect temperature with the heat on...what do you think it could be? I had the head gasket checked and they said it was fine.
The other thing to check (I suspect too high temp tstat), after its warm, or operating temperature, can you completley squeeze off the top radiator hose?