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Heater not blowing out hot air

Tiny
NSTREET
  • MEMBER
  • 2002 OLDSMOBILE ALERO
Heater problem
2002 Oldsmobile Alero 6 cyl Wheel Drive Type unknown 51000 miles

My heater is not blowing out hot air. I just had the heater knobs/panel replaced last year because the adjusters were not connecting. Now the heat is not blowing out hot air. Could there be a problem with the replacement or is this a new repair problem.

The heat starts out warm for a few seconds then starts blowing cold air
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Monday, December 10th, 2007 AT 6:57 PM

2 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Hello,

This sounds like the temperature blend door actuator has gone bad not moving the door to adjust the temperature.

Here is a guide to help you see what you are in for when doing the job.

https://www.2carpros.com/articles/replace-blend-door-motor

Here is the way it will be done on your car (below)

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
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Wednesday, February 7th, 2018 AT 4:34 PM
Tiny
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  • 1 POST
Thank you it was a little tough to get to the upper screw but I made it happen now the heater works YA!

I love this site btw.
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Wednesday, February 7th, 2018 AT 4:35 PM

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