2004 pontiac grand prix
I replaced the thermostat and water pump
on my 2004 pontiac grand prix (non
supercharged) and its still over heating.
What do i do next?
Bleed the trapped air out of the cooling system. There is a bleeder valve near the thermostat housing. It also seems to help having the car parked facing uphill while you do that, or maybe up on ramps. As long as there's air in the system you will have overheating problems.
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