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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 11-09-2008, 08:11 PM
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Sporadic Heat... Any Ideas?

Last week, my blower motor suddenly stopped working. It wasn't too cold out, so I planned to fix it this weekend. Then, on Friday, the thing started working again after I hit a small canyon in the road. Worked fine until this morning. No blower, and it was booger-freezing cold out. I can't wait for tomorrow morning.

Obviously, there's a bad connection somewhere. I pulled the heater switch, cleaned it up the best I could, added a little dielectric- still no blower motor. Then, it started working when I hit a bump this evening. When I turned off the car, I restarted it just to see- no blower again. Arrgh!

The next obvious move is to pull the blower motor, which looks like a total pain in the arse. I may just replace it anyway, due to some bearing noise when it is working.

My question is, are there any other parts I should be looking at? Do these cars have a porcelain resistor in the heating circuit somewhere that might've cracked? Any other thoughts or ideas? Thanks.
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#2 (permalink) Old 11-09-2008, 08:57 PM
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Check your blower fuse, could have some corrosion on the contacts.....
johnny

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