RADIATOR SYSTEM

1990 Ford F-150

Tiny

calvert11

April, 19, 2013 AT 4:22 AM

I have replaced my thermostat, put all new hoses, and it is not leaking any where but when I go about a mile down the road it jumps hot in a split second I can't figure out why because the thermostat is not sticking it is opening right when it heats up like it's suppose to and I flushed the radiator out. Any ideas what it could be? And water pump is working right it's pumping water but still getting hot.

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Tiny

KHLow2008

April, 19, 2013 AT 5:53 AM

Did you check the coolant level in radiator? There could be air trapped in system.

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