Question about 1986 Toyota 4Runner

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Ok i was goin down the road after leavin my buddys house and it ran hot but it will still start an run but it runs hot idk if it is my thermostat is bad or if i cracked my head or blown head gasket

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To start with, i would remove the radiator cap from the yota, while its cold, run the engine up to normal operating temperature, if your thirmostate is functioning properly you should be able to see the flow. as for a cracked head or blown gasket, there would be other symtoms **** as coolant in your oil or vise versa,

Posted on Apr 03, 2011

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