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1972 Heat is always on!

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03-06-2016, 12:33 PM

89AKurt

Registered User

Join Date: Dec 2015

Location: Prescott Arizona

Posts: 621

Re: 1972 Heat is always on!

Quote:

Originally Posted by Wrenchbender Ret

If you put the heater valve in the return line you have pressure from the water pump on the heater core all the time. It can split the seams of the core & any leak will be a gusher . You will never find a factory valve on the return side.

Adding another valve to the intake manifold should solve that?

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