Re: [DML] fan failure,I though this was strange
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Re: [DML] fan failure,I though this was strange



I have had this problem on my (then) 5000 mile car. Here's the reason:

The cooling fan motors have a drain hole which is located at the shaft end of the casing. If you drive through some deepish water, it will collect at the back of the casing where the brushes are - it can't drain because the DeLorean's fan motors sit tilted backwards. My guess is that one or more of the brushes get siezed up in their springs (which hold them against the commutator) meaning that althought hte water will eventually dry out, the brushes will stop making contact to the commutator a while down the track. Tapping with a hammer will free them up.

To prevent this happening again, drill a small hole at the base of the rear of the casing

Best Wishes

Martin
#1458
#4426

Jonas P wrote:

Both of my cooling fans failed at the same time. I have an fan fix kit from PJ Grady. I went crazy tring to figuar out what the problem was. I checked the voltage and found that both fans where getting power. Then I tapped twice on one of the fans (while the car was running with A/C on) and it came on. I did the same to the other and it came on. Now I can understand why this would happen to a fan motor, but both at the same time? Any comments? I for one thought this a bit strange
Jonas 3543
P.S. Thanks to Mr. Rob Grady (he was very busy but still took time to help me) for help on this matter.




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