Heater

Asked by Hoponen Feb 18, 2018 at 03:56 AM about the 1966 Pontiac GTO Coupe

Question type: Maintenance & Repair

Heater.
Same problem is still on:The heater in my
car is working but it does not blow warm or
cool air inside. The motor and fan wheels
are running, but I have not an idea what
seems to be wrong?  Could someone please
help?

1 Answer
3,780

olds403 answered 6 years ago

Have you replaced the heater core ?? If I go way back into the gray matter I think there is a steel plate that covers the timing chain and holds the front oil seal and the water pump bolts through it to the engine block with two 1 1/8 holes thru it to cool each cylinder head these holes can become restricted causing pour circulation !! One other thing to check is that the hose nipples for your heater hoses are open and not restricting coolant circulation Good Luck

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