Got to love DC, they say you can only use ATF+4 which you can only get it from Dodge, Chrysler, Jeep, nice revenue path When I went to the Dodge dealership in 2002, they said everything was superceeded to ATF+4 and I should have used thier new $8/qt ATF+4.
How to install transmission oil cooler 2004 impala manual#
My 00's manual said to use ATF+3 and that's what I used when the truck was at 50K. I would replace the filters.ĪFT+3 was used in the 45RFE's, then DC changed everything to ATF+4 when it was released. You need to use a flushing machine to get all that fluid out of there.
If you just drain and fill, you're leaving a couple quarts behind in the converter, cooler lines, etc.
He is getting the +4 fluid, said he'd start stocking it, don't help me much though. Coarse, he's the one who sold me the wrong stuff to begin with. I'm guessing when you say flush the system is to change the fluid again? I talked to the Napa guy today, he said I shouldn't need to replace the filters, they don't hold that much to matter, just take them off, drain them and then add the right fluid. Have the system flushed and refilled with +4. It's backwards compatible, meaning if it calls for +3, it's OK (and advisable) to use +4. if its true the mechanic screwed up big time I have been told that the +4 is NOT compatable with +3. I called up the Napa store, they said they have never heard of +4 fluid and don't stock it, and the +3 should be fine to run in it.Īnyone know the truth? If I need to replace it with +4, am I going to have to just drain the fluid, or do I need to replace the filters again? Alreay paid $80 to service the trans, but will pay it again to keep it running fine. We had replaced the fluid with +3 fluid, which is what the local Napa computer said to use. I was looking at my manual to see how uch fluid to add. Today I had a mechanic change and replace my Auto.
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