just read this on allpar.com - Use
Dexron III fluid at the
least; if you have the money and would like smoother shifting, use Chrysler ATF+3 or ATF+4 (there are numerous “universal” fluids, and one which conforms to
Dexron III and/or ATF+3/+4 should work). The Type A, Suffix A fluid once suggested by Chrylser has been superceded by Dexron III. [Daniel Stern suggested that Dexron 6 might be the best choice.] Synthetic fluids, including ATF+4, can especially extend transmission life in cold climates.