Is all ATF 4 the same?
Is all ATF 4 the same? No, only licensed ATF+4® products (with "ATF+4®" as part of the brand name and a valid license number on the back of the label) contain the unique formulation. ATF+4® is a unique formulation that has been designed specifically to meet the exacting requirements of FCA transmissions. What can I use instead of ATF 4? AMSOIL Multi-Vehicle ATF is a qualified replacement for ATF+4. Is the Jeep Grand Cherokee on the ATF container? Probably not, Tatar. I have Mobil 1 multi-vehicle ATF in my '94 Grand Cherokee which has the 42RE tranny, and has functioned...