Question about Cars & Trucks
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Posted on Jan 02, 2017
There has to be something blocking the output somewhere. Check where vents come out to see if something has fallen down to block them.
Posted on Dec 23, 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
You have a plastic check valve with rubber hoses that run across the top of your motor. replace that check valve. I had the same problem. You can get one at any auto parts place.
Posted on May 20, 2009
SOURCE: Heat and AC vent problem.
most likley you have a vaccume leak somewhere but also the linkage to the door that that directs the air flow may be in a bind. another possability is the hvac controlls. hope this helps
Posted on Jun 08, 2009
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