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Re: auxillary fan in front of the radiator ? (archive)
[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]
Posted by Bob on January 07, 2002 at 00:15:03:

In Reply to: auxillary fan in front of the radiator ? posted by Buzz on January 06, 2002 at 21:25:00:


You could have a stuck fan relay or a bad temp sensor (mounted on the RT side of the radiator).

Unplug the sensor. If the fan still runs, you have a bad relay (or less likely, a bad HVAC circuit that is telling the fan to run because it thinks the A/C is on).

If you unplug the relay, you can check it with an ohm meter by measuring the resistance between terminals 30 and 87. It should show "open."

Bob


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