Thread: Aux Fan Controller and 4-pin Connector 95 S320 W140
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Old 07-30-2006, 10:00 PM
400E 400E is offline
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Join Date: Jun 2001
Location: Omaha, NE
Posts: 962
What makes you think you have a problem? Aux fans only come on when either:

1. High-side AC pressure exceeds a limit

or

2. Engine coolant temp exceeds a limit (about 105-110 if memory serves - don't quote me on this).


They are principally designed to protect the compressor, not for engine cooling.
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Steve
'93 400E
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