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Old 02-22-2002, 02:48 PM
svenmd80@yahoo.
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aux elec cooling fans 92 500sl

hi, when should the aux fans run and how do you test them?????????/92 500sl
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Old 02-22-2002, 03:56 PM
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Mine come on at about 100 deg on the meter (way too high for my taste). I checked them by using the evaporator connector (I think I shorted it, off the unit), then the fans run in high speed continuously if all else is well. The evaporator is easy to get to, right behind the driver's headlight.
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Old 02-22-2002, 05:56 PM
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With A/C operation there should be 2 speeds & when the engine reaches 107C the fans also run at high speed.
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