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Old 11-09-2023, 01:26 AM   #32
Mav
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Join Date: Jun 2016
Location: Richland Or.
Posts: 101
Re: Heater core shut off valve

My 70 K10 is non a/c so I installed valve like Grumpy showed pic of. There is a vacuum operated valve for a/c trucks, but cant find a valve for mine, they dont make one? Or does heat lever control something other than a valve? thanks!
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