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Old 03-29-2018, 11:26 AM
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Markeje's Avatar
Join Date: Aug 2017
Posts: 108
B&M Trans cooler install

Going to install a trans cooler and I want to change all the fluid. Tranny has 100+K.

Installing the cooler is easy enough, but I also want to drop the pan and change the filter.
So would it be best to drop the pan, change the filter, reinstall pan, refill tranny, then do a complete exchange of ATF through the input/output method? Then install cooler?

Is this the best order you think?

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Old 03-30-2018, 07:41 AM   #2
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Usually, the hardest part of the fluid change is getting the torque converter flushed. Not all converters have a drain provision.
You may want to consider having the trans serviced by a shop with the equipment to power flush the trans.
Install the cooler afterwards.
91 YJ 4.0-HO/5sp
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