Question about Cars & Trucks
He vents continue to blow hot air even though the selector is in the off position.
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Posted on Jan 02, 2017
If it will not switch to any different positions,and you did not have this problem prior to repair.Check for a leaking vacuum line to the control unit.The line should run through the firewall to the control unit.Good Luck!!!
Posted on Aug 04, 2008
THe blend door seems to be stuck. When you change settings from defrost to floor air or, vent, the blend door opens and closes directing the air to the place you want it to go to. I have had some success spraying a lubricating oil such as WD40 under the dash on the blend door. You need to get under the dash with a flashlight to locate it. It looks like a flap. Spray it with a couple of shots of the WD40. Go easy on the spraying as you may be inhaling the fumes. Keep the doors and windows open to minimize the fumes. Wait about 1/2 hour and try the A/C functions. (defrost, floor, vent air)
Posted on Mar 09, 2009
My 03 conv. beetle did the same thing .My cousins 02 coupe also . He told me it was a lever on the bottom of the heater unit that switches between hot and cold. The problem is the lever falls down out of the unit .More cheesy ''engineering''. I fixed mine by cutting a short piece of copper pipe centered over the screw to prop up the lever in postion .That was about a year ago. Been working great ever since . The best i remember i took the glove box and the cover at the very front of the console out .You should be able to see it then.
Posted on Apr 27, 2009
SOURCE: ac blows hot air
sounds like you have shorted the a/c cycle switch. when you do this it wont cut the clutch on the compressor this is located on the a/c drier on the fire wall hope this helps you and good luck !!!!
Posted on May 30, 2009
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