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Anyone use electric fan transmission coolers?

Discussion in 'Chevy Trucks' started by trustyrusty, Dec 13, 2010.

  1. trustyrusty

    trustyrusty Senior Member
    Messages: 174

    I had a transmission shop tell me today that I HAD to run a secondary frame-mounted transmission cooler with an electric fan if I was going to push a plow with my truck. Does everyone on here run them?
  2. Detroitdan

    Detroitdan PlowSite.com Addict
    Messages: 1,937

    I don't know what good it would do on the frame, but I am a big proponent of aux coolers and gauges on plow trucks. Until you see what plowing does to trans temps you absolutely would not believe it. I used to put the cooler right in front of the radiator, of course back then my plow trucks didnt have ac condensors and other stuff in the way. I ran a gauge and a switch so I could turn it on when the temps started climbing. My old 3/4 tons with the internal radiator mounted fluid coolers were totally insufficient for plowing. My 97 1 ton has an outrageously oversized cooling system, and just about every fluid system in the truck has a dedicated cooler, I did put a gauge in the tranny line but have never got the tranny that hot.
    If the frame mounted type is effective I'd say go for it, but you would definitely need a fan because you can't count on any airflow. Whatever you do, first install a trans temp gauge, you will be amazed at what ten minutes of plowing in 4 high will do to the temp. From what I've heard the factory installed trans temp gauges aren't worth much.