ford has a special fluid for the mtx75 p\n xt-m5-qs give them this part number at the dealer because its been my expirence most parts people dont know about it and will tell you to use atf fluid. get two quarts. it makes a significant difference with gear roll over noise, i really cant say i noticed much difference in shift feel as opposed to the mobile 1 atf i used before ford came out with this "ford honey" but its worth changing over to it.
ford has a special fluid for the mtx75 p\n xt-m5-qs give them this part number at the dealer because its been my expirence most parts people dont know about it and will tell you to use atf fluid. get two quarts. it makes a significant difference with gear roll over noise, i really cant say i noticed much difference in shift feel as opposed to the mobile 1 atf i used before ford came out with this "ford honey" but its worth changing over to it.
Do you want to kill the transmission slowly? If the answer to that question is ''No'' Then don't substitute it. If your manual says Mercon V use it. Its like putting 5W-30 in an engine that had has had a pure diet of 15-w40 its whole life, you're going to give it a heart attack.
Your basic Dex/Merc ATF will boil and foam up if used in place where synthetic Merc V is required. Now you can generally use Merc V where Dex/Merc is required just not the other way around.
sorry i havent responded in awhile. I havent been on.
I asked the question because im swapping my transmission out because mine died. My uncle had a case of dex/mrc 3 in his garage. I was trying to save some $$.
I know a stick is a hell of a lot more fun beieve me. But this car was a "hand me down" so to speak from my sister who bought a new car and im only 17 and who wouldnt take a free car? Its an automatic so you guys dont need to tell me about the mtx. Im really just trying to get this done, keep the car a few more months and sell it or trade it in for a stick.
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