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Re: too hot at idle (archive)
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Posted by Bob Duckworth on June 05, 2001 at 20:21:55:

In Reply to: too hot at idle posted by Gary on June 05, 2001 at 16:06:16:


My m5 gets too hot at idle. I have flushed the radiator, replaced the thermostat, and replaced the fan clutch. Anybody know anything about the auxilary fan temp switches?


You can check the switch(es) in a pan of hot water with a voltmeter. I'll bet your low speed resistor on the fan is T/U. Jump the switch terminals with a piece of wire while the ignition is in the run position. If low speed doesn't work, then the resistor is bad. About $30-40 at the dealer.

HTH

Bob Duckworth

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