a/c heater not blowing air
#1
a/c heater not blowing air
don't know what is wrong with it it still blows air out of the defrost ports but not the ports that are facing the driver and passenger the switch still will shut off the blower motor just won't change over from defrost?
thanks
thanks
#2
Registered User
you either have a broken vacuum line or the line has come loose from the vacuum pump. one place to look is right under the drivers side battery at the cruise control servo, they are real bad about leaking battery acid down there and eating a hole in the vacuum hose.
#4
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Join Date: Oct 2005
Location: San Antonio, TX
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My truck did the same thing. I had an open vacuum fitting in the line where it crossed over the engine compartment, however your problem could be anywhere along the line. I couldn't find a disconnected line anywhere that went to it so I just folded a piece of duct tape over it and it's been fine ever since. I believe the ventilation systems defaults into the defrost mode for safety reasons.
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moparman13045
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02-15-2012 06:53 AM