Transmission Fluid
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Year: 1998 Classic (I'll get it running soon....) and 02 Grand
Model: Cherokee (XJ)
Engine: 4.0
Chrysler did not design or build the XJ transmission. It's from a different company, Asin-Warner. It's used in a bunch of cars, including Toyota trucks. It's a beast of a transmission.
At one point, Chrysler DID start recommending ATF+4 for that transmission, and it caused a lot of problems. Asin-Warner has always recommended Dex/Merc.
Fluids in transmissions are normally critical. Don't ever substitute some other kind. The WalMart ATF-4 is fine, and is the cheapest I have found. I use it in my Grand (WJ). Nothing but Dex/Merc in my XJ.
At one point, Chrysler DID start recommending ATF+4 for that transmission, and it caused a lot of problems. Asin-Warner has always recommended Dex/Merc.
Fluids in transmissions are normally critical. Don't ever substitute some other kind. The WalMart ATF-4 is fine, and is the cheapest I have found. I use it in my Grand (WJ). Nothing but Dex/Merc in my XJ.
#20
Old fart with a wrench
The AW4 definitely is a beast! Think Toyota trucks used by insurgents in the mid-east! Do you think they EVER get serviced? Maybe to add fluid to make it go.
Chrysler tried using ATF+4 in the AW4 to simplify dealership inventory, but they found it causes clutch chatter. The only thing they DID simplify was to use the same fluid the trans uses in the t/case of each model, until things got complicated. Think 249, 247, and the electronic shift ones.
Chrysler tried using ATF+4 in the AW4 to simplify dealership inventory, but they found it causes clutch chatter. The only thing they DID simplify was to use the same fluid the trans uses in the t/case of each model, until things got complicated. Think 249, 247, and the electronic shift ones.
Last edited by dave1123; 09-25-2020 at 12:10 PM.
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