My sister and her fiancee have a
2002 Pontiac Grand am that just
started over heating when her
fiancee changed the coolant out to
put all new fluids n. It has no leaks
but out the overflow when it gets hot.
Can u plz help with a possible
answer and solution.
He did not bleed all the air out of the cooling system.
To bleed air from system remove cap from overflow tank add antifreeze to full mark leave cap off and start vehicle and let idle once vehicle starts to reach operating temp antifreeze level will drop add more antifreeze to full mark then put cap back on. You may notice that antifreeze level will start to fill up in tank this is normal once thermostat starts to open level will drop back down. That should do it unless you have another problem.
Go to the internet and get instructions on how to properly bleed the system from a reputable business. It is not complicated but it is important to do correctly.
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