E34 Airconditioning Problems. - BMW Forum - BimmerWerkz.com
5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

 
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#1 (permalink) Old 05-12-2005, 03:34 PM
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I was down in Florida and my A/C just quit on me.

I'm pretty sure that I don't have a 'final stage' unit or whatever that thingy is that the E39's have.

I checked Bav Auto and I'm thinking it's either the blower or the resistor. Is there any way to check if the blower motor is shot, or should I just replace it all.

With the fan turned on full blast, there was no air moving, although the vents themselves would be cold, indicating my compressor was working, I just couldn't flow the air.

Not a great way to drive back to Atlanta from Tampa. Luckily I figured out what combination of window/sunroof open gave me decent airflow without too much noise.

2002 BMW 530i
1997 Ford Mustang GT
1995 Honda VFR 750 (For Sale)
1964.5 Ford Mustang
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#2 (permalink) Old 05-12-2005, 03:57 PM
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I assume you have already checked the fuses?

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#3 (permalink) Old 05-12-2005, 10:18 PM
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The Deuce is an unknown quantity at this point
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Well stuck in a ditch!

I didn't check it because there was no load change when the blower stopped working, and honestly I was too worn out to be hopeful that it would be an easy fix.

I swapped the cig lighter fuse for the blown blower one and it fired right up.

I'm still concerned that my resistor is on the way out because it shouldn't have failed running in 88* weather. Besides, wouldn't the resistor failing cause a larger amperage draw and thereby cause the trip?

I'm going to take it to work tomorrow and see how long the fuse lasts.

2002 BMW 530i
1997 Ford Mustang GT
1995 Honda VFR 750 (For Sale)
1964.5 Ford Mustang
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