climate control problem - Mercedes-Benz Forum

 
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post #1 of 3 (permalink) Old 01-06-2006, 05:35 PM Thread Starter
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climate control problem

I could use some help PLEASE. I have a 94 E320 with climate control problems. First the ac quit alltogether so I checked all the fuses, no problem there. I pulled the blower motor out, It would hardly turn but the brushes seemed okay. I freed up the motor and reinsalled it and it worked fine for a couple weeks now the fan onlyworks on low speed. From all I've read here in these forums Mercedes and blower motors haven't found a way to peacefully coexist. Any help like wiring diagrams or advice would help. Thanks F16mech
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post #2 of 3 (permalink) Old 01-06-2006, 06:34 PM
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RE: climate control problem

try checking the blower regulator.
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post #3 of 3 (permalink) Old 01-08-2006, 08:38 AM
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RE: climate control problem

The blower motor also serves as the "heat sink" for the speed controller that is why they use the conducting "paste". I have heard that reduced air flow and binding can overheat the regulator. I hope it is as simple as that!
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