hvac
scott mortzfield
09-17-2010, 08:07 PM
2002 grandprix 3800 v6 heater air flowing but will not go to any positions : vents, defrost etc
tblake
09-17-2010, 11:32 PM
Welcome to AF!
Check the battery area. There is a vacuum line that runs from the intake manifold along behind the battery, and into the car. Sometimes the battery corrodes causing this line to be destroyed.
Check the battery area. There is a vacuum line that runs from the intake manifold along behind the battery, and into the car. Sometimes the battery corrodes causing this line to be destroyed.
scott mortzfield
09-22-2010, 06:51 PM
thanks there was a broken line by battery. I see coming from the intake ,but after i follow it by the battery where it broke i lose where it goes. scott
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