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  #1  
Old 02-24-2003, 10:37 AM
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Join Date: Mar 2002
Posts: 56
Angry Dysfunctional Heater Blower

My heater blower has been putzing out on me... seems to happen only when I use the auto switch control. If I use only the slow or fast setting buttons, the blower keeps working. After some time operating on the auto setting, however, the blower stops blowing. If I turn off the car and wait for about 10 minutes, the blower starts back up again on ignition.

Any ideas on this? What should I check? My guess is that there's a relay on the fritz. Where's the relay located? What's the part called? How much is to replace?
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  #2  
Old 02-24-2003, 10:49 AM
Potomac German Auto
 
Join Date: Mar 2002
Location: Frederick, MD
Posts: 407
What kind of car is it?

Heater / blower reguator?

Push button control unit ?
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  #3  
Old 02-24-2003, 11:00 AM
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Join Date: Mar 2002
Posts: 56
Heater Blower Problem

It's a 92 300E. I don't think the push-buttons are at fault...
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  #4  
Old 02-25-2003, 10:49 PM
Giorisso
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Blower

I had a problem like that before and I replaced the regulator, it works great now
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  #5  
Old 02-25-2003, 11:00 PM
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Join Date: Mar 2002
Posts: 56
Heater Blower Dysfunction

Hey Giorriso,

Thanks for the reply! I think I'm going to replace the blower too, because it's making a lot of squeeking noises lately. Is the regulator located below the blower? How much did you pay for the regulator? Is it something done easily enough, especially if I replace the blower at the same time?
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  #6  
Old 03-08-2003, 11:30 PM
Bruce B's Avatar
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Join Date: Dec 2002
Location: east of Atlanta, north of Macon Ga
Posts: 185
Hope I'm not too late Todd....

If you haven't already......here's an idea for you. The brushes in the blower moter may be worn down. Mine are/were and temp fixed by shimming behind the brushes. I have to get new ones this next week due to my blower stopped working again but for a while it ran like a new one. Brushes are simple to replace if you have a soldering iron.
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  #7  
Old 03-09-2003, 01:41 PM
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Posts: 56
Heater Blower Motor Replacement

Thanks, Bruce B.

Just to close this thread... I bit the bullet and had the dealer (Keeler, Albany NY) do the work. They replaced the blower motor (part A 000 830 82 08 $313) and they also replaced the Blower Regulator Switch (part A 124 820 27 10 $288). The labor ($89/hr) came to around $400.

All I can say is OUCH.

Thanks to all who replied. If I had more patience and time, I would have gone at this myself.... or at least bought the parts online and brought them to the dealer.
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