What is your question?
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What is your question?
Rear unit has a vacuum operated valve in the heater hose to rear unit. Outside or inside air works fine on front unit.
2 Replies
heater core clogged?
No, checked heater hose and it was hot to the touch. both sides in and out. Turns out the blend door or the shaft on the blend door motor is broken.... Have blend door actuator and have new blend door coming in Friday or Saturday.
nope coolant level is right on and was last changes last fall..... Used 5 year Prestone 3.5 gallons
K. TMI. Good luck with it!