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Re: Fan Clutch (archive)
[ Follow Ups ] [ 8-series (E31) Message Board ] [ Msg. Board FAQ ]
Posted by GregK on August 03, 2000 at 23:05:41:

In Reply to: Re: Fan Clutch posted by Mark in SBA on August 03, 2000 at 12:54:25:

Thanks for the concise decription--very helpful. Indeed, the fan noise is not there when the car is cold or running on the highway. Curiously, in 70-80 degree around town driving in SF, its there at all times, including sustained rpm up to 4-5k. I'd better replace it before Muni installs a fare meter and attaches destination signs on my windshield!

Greg K



Greg,

If the outside temperature is high enough, it should remain engaged, and of course, give you that uncharacteristic roar. It's doing it's job, particularly in California over the past week of high temps.

Try it on a fairly cool morning (say less than 70F), with a cold engine. Should engage hard, roar for a bit, and then taper off as the drive chamber empties of oil due to the centrifugal force. At that point, you should be able to stop the fan using a piece of folded cardboard.

It's not uncommon to get a new fan clutch that doesn't work out of the box.

Mark
1992 E31M70B50




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