blower motor air condition
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Teching In
Joined: Jun 2016
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blower motor air condition I have a 1998 trans am Recently i had engine and transmission dropped and all seals replaced. After i got it back the blower motor has been acting up. On air conditioning mode it runs fine for 20-25 minutes then the air volume is reduced it sounds like the blower is working okay but volume of air coming out of vents goes way down. there is a rattling like paper when mode is in max but blower sounds fine just little or no air coming out
Could be a mode duct flap that is malfunctioning (stuck or vacuum issue), or you could have sucked some leaves or something into the blower motor. I have taken mine out to inspect. You can even run it outside the car to check operation. It takes a little work, but it is doable.
+1 above. There's definitely some debris in the blower's squirrel cage. Dropping the motor out and cleaning the duct out will take care of this and could solve all your problems.
