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Old 06-06-2009, 05:34 PM
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Join Date: Apr 2009
Location: Powder Springs, GA
Posts: 15
Well, the fan that would not turn by hand was very tight and only by really whacking it was I able to get it going. I think it may have just burned up the motor. the other fan turns by hand but doesn't spin really freely like you think it would.
My guess is the fan motors as well. Would the compressor run if both of these fans were shot? Are they connected in that way. My old Saab with two electric fans would not even engage the compressor if both were not functional.
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Old 06-06-2009, 05:43 PM
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,804
No

Fans are only there to add extra airflow across the condenser when a High Termal Load condition exist , thereby keeping the high side pressures in check.
That is why they are called " Aux Fans"...the are not called for until extremely high ambients present inadequate airflow for condenser/ pressure or higher than normal engine load brings coolant temps to 105C...
The a/c circuit is always low fan and coolant temps trigger high fan..

...and they have nothing to do with one another except the two circuits share the same fan motors......
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Last edited by Arthur Dalton; 06-06-2009 at 05:51 PM.
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