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-   -   Auxillary Fan not working (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/101270-auxillary-fan-not-working.html)

autoAER 08-04-2015 01:16 AM

Quote:

Originally Posted by Ryoken (Post 1046666)
i would have thought when you first start the car, the fan does a self test and spins?. even if the temp sensor was bad would this cause the fan not to spin?.

the fan did an 'attempt' at a spin, it sort of wiggled back and forth but did not completely spin.... which makes sense because the fan was dead! I only figured out the sensor was bad after i unplugged it and tested it with the new fan... if you unplug the sensor, the fan will run nonstop. My old fan did not spin and stayed completely dead when the sensor was unplugged, but the new fan spun right up to speed. conclusion: bad sensor and a bad fan :D I assume that without input from the heat sensor, the fan won't run... I am not sure, but the results i got point towards that idea.

Ryoken 08-04-2015 07:09 AM

only reason I said that is I also got a dead fan :) and I'm in the process of repairing it
mines doesn't even self test, ordered new fan AND temp sensor
we shall see


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