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kenn · 06-13-2023, 06:04 PM

Hello, I'm putting the 350 engine back in my 72 c10 and I checked the vacuum valve to the heater and it is not stopping the coolant flow.

Is the valve suppose to stop the flow completely or not ?

It does have air conditioning.

The vacuum side works fine.
Thanks Kenn.

06-13-2023, 06:04 PM	#1
kenn Registered User Join Date: Oct 2013 Location: CT. Posts: 260	Coolant valve operation ? Hello, I'm putting the 350 engine back in my 72 c10 and I checked the vacuum valve to the heater and it is not stopping the coolant flow. Is the valve suppose to stop the flow completely or not ? It does have air conditioning. The vacuum side works fine. Thanks Kenn. Last edited by kenn; 06-13-2023 at 06:38 PM.