Heater Hose Inner Fender Routing - 71 Demon 340

str12-340 said
There has to be a valve somewhere... it's connected to the temp slider in the dash with a cable in non-AC cars (attached with a vacuum hose to the valve in an AC car., otherwise it would be full on heat all the time.
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No sir, there doesn't have to be. My 64 Valiant didn't come with one. It controls the temperature via the doors in the heater box.