Heat exchanger removal and derale install?

Went from manual to auto manual vb with two Derales 158?? (3/8 line). Never hardly turn them on and 165-170* at the most on a 70 degree day. Obviously the hotter it is outside in the hot it runs. In-line thermostat kicks fans on at 180. No cooler up front just two in bed.


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You do not want to remove the liquid cooler, we have reinstalled many that were removed by other shops even "transmission shops"to install auxiliary thermostat/fan coolers . Towing,plowing and stop and go the temps go up sometimes uncontrollably ,several lost trannys . One cooked because the fan quit and he had to get the trailer off of the freeway .If the fan quits there is no cooling , terrible design for reliability , fine for auxiliary
 
Got everything finished. Left the heat exchanger for now. Turns out where the soft lines come off the cooler behind the grill the rubber was just old and the line slipped off

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