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Old 07-02-2005, 06:58 PM
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Join Date: Oct 2004
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Aux Fan 88 420

I thought the large electrical fan in front of the radiator should go on immediately when the AC starts.. I was checking the oil today, and had my wife start the car and turn on the AC to see if the fan started.. It didn't.. I don't see any blown fuses, so is it temp controlled ? or another issue ?

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Old 07-02-2005, 07:56 PM
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Now what?
 
Join Date: Jun 2005
Location: SE PA
Posts: 525
If it's anything like my 300 SEL, the fan will start when the A/C high-side pressure is high enough. With mine, the fan usually starts less than a minute after a cold start with the A/C on. The fan will also run if the engine temperature gets high enough.

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1989 300 SEL that mostly works, but needs TLC
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