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I recently recharged the a/c on my '98 deville and while the a/c compressor was engaged i noticed that only the driver side fan works. Before i start checking connections and relays is it correct that while the a/c comp is engaged both fans are suppose to run at low speed? In my case only the driver side fan is on and changes speed related to the temperature.


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It turned out to be the 13 year old rad fan motor, when i pulled it out i could barely turn it. Popped in a new motor and they're both running now.

Also when the a/c compressor is engaged both of the fans should be running.

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Good Job, I had the same problem on a 91, the fan just free-wheeled

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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