Heater not blowing out hot air

2002 OLDSMOBILE ALERO
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Heater problem
2002 Oldsmobile Alero 6 cyl Wheel Drive Type unknown 51000 miles
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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
Dec 10, 2007 at 6:57 PM
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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
Feb 7, 2018 at 4:34 PM
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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.
Feb 7, 2018 at 4:35 PM
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