temp keeps going up and down on my 2000 grand prix gt whats wrong
30

Asked by KBIGG Jul 18, 2016 at 10:34 PM about the 2000 Pontiac Grand Prix GT

Question type: Maintenance & Repair

all new parts just changed radiator thermostat upper intake gaskets on upper
and lower intake both hoses and hoses ALSO NEW COOLANT TEMP
SENSOR

8 Answers
30

KBIGG answered 7 years ago

No didn't replace water pump and the fans are on when I check

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30

KBIGG answered 7 years ago

I tried to bleed the system of air but don't know how just kinda winged it did it twice for about 10 minutes do I need to do it longer or something else I'm not doing

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100

Afambro answered 7 years ago

Did u put the thermostat in the correct direction. Does it actually over heat or just fluctuate and I are u driving it when it does, going fast, driving slow or parked. Does your passenger floor board get wet and/or does water come out of a/c drain with a/c off

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30

KBIGG answered 7 years ago

thermo is in right just fluctuates does it while parked or in stop and go traffic no water have seen water coming out after have run ac but from underneath the car while off

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