91 Grand Caravan Tranny Cooler

I saw a few drops of tranny fluid on the ground under the radiator and after further investigation, found that it is time to replace the radiator(much rust and corossion). When removing the radiator, I found the trans cooler in front of the radiator (which was rusted also). I don't use this caravan for towing. Can I live with the internal radiator cooler and forego the external cooler?

Reply to
dprkk
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If you live where the climate is generally cool and you don't plan on towing you should be OK without it BUT only if you are using the new's formulation of genuine Chrysler ATF. Their new stuff is extremely heat stable, their older stuff was crap. If it was me I'd just buy a cheap aftermarket cooler and slap that in there just to be safe, plus you won't have to worry as much about what fluid is in it.

Reply to
Ashton Crusher

AC - Are you meaning for him to use ATF+4? TSB 21-014-07 is confusing to me in that regard. It doesn't list '91 Grand Caravan for ATF+4, though it does say "In general terms, If ATF+, ATF+2 or ATF+3 was the recommended fluid, it is now recommended to use ATF+4®". Which ATF are you saying he should use?

Reply to
Bill Putney

ATF+3 is the only correct fluid to use with this rebuilt trans. The trans oil cooler is welded to the front of the radiator. That'a why I was trying to decide if it was worth the trouble to figure out how to mount an external cooler to a new radiator.

Reply to
dprkk

I was thinking the +4. Sounds like it should be verified with Chrysler first.

Reply to
Ashton Crusher

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