Question about 1993 Pontiac Firebird

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My 1993 Pontiac Firebird is running hot in less than 5 minutes. Changed the radiator, water pump, radiator cap and hoses still running hot. It seems like too much pressure and it's not being released. Didn't experience this problem until I let a mechanic change the distributor, after I picked the car up it has ben running hot since.

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Check the coolant temperature sensor (not the sender). Check that connection is clean and good. If you have electric radiator fans do they engage when car is hot. If nor check the fuse and the relay unit connections (under the front by the left inside fender). If you suspect the relay run a positive wire from the battery positive terminal directly to the fan. If the fan runs check the voltage to the relay and the voltage from it when triggered. If the relay is OK wiggle the wires on the coolant sender.

Posted on Sep 16, 2010

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