ATF fluid change.
#16
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
#18
CF Veteran
Joined: Jan 2017
Posts: 3,313
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From: Connecticut
Year: 2000
Model: Cherokee (XJ)
Engine: 4.0
Here are typical stories:
https://www.jeepforum.com/forum/f310...tions-3731337/
https://www.naxja.org/forum/showthread.php?t=1145801
https://www.cherokeeforum.com/f2/transmission-pan-bolts-torque-specs-246978/
Last edited by Dave51; 03-03-2019 at 10:35 AM.
#20
CF Veteran
Joined: Oct 2018
Posts: 1,096
Likes: 166
From: Hunt County Texas
Year: 1995
Model: Cherokee (XJ)
Engine: 4.0L
Any suggestions on mileage intervals? I thought I read to drive at least 100 miles before repeating the cycle. I’m seeing also some suggestions on a few thousand in between. It’s going to be pretty dirty the first go around. Also, a suggestion on what type (brand) of dex/Merc to use the last time that will end up staying in there for the longer term.
#22
I'm pretty sure he was referring to the pan retaining bolts. Steel bolts into aluminum have a bad tendency to seize. I've had to retap a few after they came out with the threads full of aluminum. I think I know a few of those ham fisted guys that always break things and then blame the quality of the part. I've had to fix some of their handywork myself.
#23
Hope OP doesn't mind if I tag along here with a related question. I'm on the fence between doing a flush (like this) vs a few drain/fills with some driving in between on my '99 AW4 with 200k. It shifts well warm, but when cold does "jump" slightly into reverse and can be a bit late on the 2nd to 3rd shift. I haven't looked at the fluid yet and the service history is unknown.
Which leads me to my specific concern: What if the fluid in there is actually ATF+4 from a previous change? Say it happens to be. If I drain/fill 3-4 times with Dex/Merc til it stays red and drive something like 30miles in between each time, how much danger is there in driving those ~100miles with what would be an ATF+4 and Dex/Merc mix? Enough of a concern to warrant doing the flush instead?
Which leads me to my specific concern: What if the fluid in there is actually ATF+4 from a previous change? Say it happens to be. If I drain/fill 3-4 times with Dex/Merc til it stays red and drive something like 30miles in between each time, how much danger is there in driving those ~100miles with what would be an ATF+4 and Dex/Merc mix? Enough of a concern to warrant doing the flush instead?
#24
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,566
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Hope OP doesn't mind if I tag along here with a related question. I'm on the fence between doing a flush (like this) vs a few drain/fills with some driving in between on my '99 AW4 with 200k. It shifts well warm, but when cold does "jump" slightly into reverse and can be a bit late on the 2nd to 3rd shift. I haven't looked at the fluid yet and the service history is unknown.
Which leads me to my specific concern: What if the fluid in there is actually ATF+4 from a previous change? Say it happens to be. If I drain/fill 3-4 times with Dex/Merc til it stays red and drive something like 30miles in between each time, how much danger is there in driving those ~100miles with what would be an ATF+4 and Dex/Merc mix? Enough of a concern to warrant doing the flush instead?
Which leads me to my specific concern: What if the fluid in there is actually ATF+4 from a previous change? Say it happens to be. If I drain/fill 3-4 times with Dex/Merc til it stays red and drive something like 30miles in between each time, how much danger is there in driving those ~100miles with what would be an ATF+4 and Dex/Merc mix? Enough of a concern to warrant doing the flush instead?
drain and fill.
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