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I think my car needs to have a major service done on it. The transmission jerks the car when I put it in gear, and it sometimes shifts hard. The fluid almost looks like oil instead of ATF. My question is has anybody put synthetic ATF in their Millenia? And do you think it would get rid of the jerking and hard shifting? Also someone told me that because my car has 82K miles on it that a synthetic ATF would probably be worse for my car than standard ATF. Please help
 

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My milly has 115,000 miles and is running great. I also would like to know that if synthetic would hurt me or help my milly now. I would really like to put it in. Get I get some help on this. Thanks......
 

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I put sythethic in mine, and aside from warming up a tad faster, I don't see much difference between the gears changing.

But you should change your ATF fluid every 35-40k miles. At least that's been my experience.
 

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I have a 98 Millenia and I got the trans flush for about 80 bucks took care of my problem of hard shifting
 
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