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Jeep Wrangler YJ
YJ General Discussion
Transmission fluid change incoming... last one 20yrs ago
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<blockquote data-quote="machoheadgames" data-source="post: 435582" data-attributes="member: 18789"><p>Redline works fine, I've run it in the AX15 for years but next time I am going with Motorcraft XT M5 QS which is a synthetic 75w90 GL4 made by ford/motorcraft and it made my Aisin built Toyota trans shift really well. Toyota folk swear the Motorcraft works better than the Redline in the Toyota transmission, so I have a hunch it will be better than Redline in the AX15 as well.</p><p></p><p>Gilaguy is right on quantity, buy a gallon or 4 quarts. Definitely don't go with anything GL5. 10W30 is also an option but when I tried it it just didn't seem as smooth. Others say it's like butter for them, so I really don't know why the disparities from one to the next. Aisin specifies 75w90 GL4 so sticking with something in that category will likely have the most predictable results at least. Others have ran ATF as well with no issues. They aren't too picky, just no GL5.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 435582, member: 18789"] Redline works fine, I've run it in the AX15 for years but next time I am going with Motorcraft XT M5 QS which is a synthetic 75w90 GL4 made by ford/motorcraft and it made my Aisin built Toyota trans shift really well. Toyota folk swear the Motorcraft works better than the Redline in the Toyota transmission, so I have a hunch it will be better than Redline in the AX15 as well. Gilaguy is right on quantity, buy a gallon or 4 quarts. Definitely don't go with anything GL5. 10W30 is also an option but when I tried it it just didn't seem as smooth. Others say it's like butter for them, so I really don't know why the disparities from one to the next. Aisin specifies 75w90 GL4 so sticking with something in that category will likely have the most predictable results at least. Others have ran ATF as well with no issues. They aren't too picky, just no GL5. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Transmission fluid change incoming... last one 20yrs ago
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