Quote:
Originally Posted by fasteddy5000
I have a 1990 mk3 supra. Ive changed the hoses, thermostat,waterpump, and radiator cap. What happens is that once at running temperature the over flow tank gets full from the radiator but the radiator never pulls it back. So the tank just overflows spraying coolant everywhere and then the engine gets hot from lack of coolant. I think the head gasket might be the problem. HELP please if anyone has experienced this. Thnks, Ed.
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vAPOR lOCK - sounds like your thermostat might be sticking. you could have a shop do a pressure check. DOes the coolant have any Brown'ness to it. OR look like poop soup this is a signal for a Blown Head Gasket (ps. you coolant would keep running throught the system picking up more oil and making it got hotter faster.
Did you check the Radiator cap and get the exact same psi rating ( i F-'d that up once before) it makes a substantial differance.
oil in coolent = BHG
Collant overflow = Stuck T-stat, bad rad cap.
It sounds more and more like a bad thermostat stopping the flow of coolant at the bottom of the system. .
Let us know what happens
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