91 FJ80 with the 4.0—AT transmission pan removal
- Thread starter montana80
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I don't recall this being an issue when I dropped my transmission pan on an A440F. Either the tube simply pulls out of the grommet, or it separates about 1/3 of the way up. Possibly with an O ring.
- Thread starter
- #3
Thanks for replying. What is A440F? Someone on the Facebook group said the transmission dipstick is different on the 4.5 than the 4.0 but then all replies stopped. I don’t know much about the acronyms of these vehicles but I do know I have the earlier and slower variant with the 4.0L
You have a 3F-E engine, an A440F transmission, and an HF2A transfer case.
Why are you dropping the transmission pan?
- Thread starter
- #6
To change the fluid and filter. I’m the new owner for a week now. It was last changed in 2017 according to prior owner and I’m unsure if the pan was dropped then, but at least the fluid was. Draining the fluid yesterday it doesn’t look bad. I just need to finish the job and somehow disconnect the pan from this dipstick tube.
- Thread starter
- #7
After this I hope I can get to the transfer case issue and remove the center diff actuator. It’s stuck in center diff lock.
FYI, the trans filter does not usually get replaced unless damaged. It is a steel mesh that you can clean and reinstall.
ColoradoBoy
Too many interests, not enough time...
You may want to check this out. Welcome to the obsession...
forum.ih8mud.com
Transmission Fluid Exchange Writeup
Besides the oil itself, what OEM parts do I need for a proper transmission refill? Thanks. None, really. Unless there is something broken or a hose leaks, all you need is the new ATF, a bucket and some clear hose.
forum.ih8mud.com
If the pan is clean and there's not much material on the magnets, I'd put it back together. The A440F is sensitive to fluid level, so be sure it is correct.
Don't put more than 3 or 4 quarts in at a time, or you'll just make a mess. Pour in 3 or 4 and start the engine for a second or two. Then continue to fill.
Don't put more than 3 or 4 quarts in at a time, or you'll just make a mess. Pour in 3 or 4 and start the engine for a second or two. Then continue to fill.
I just dropped my 94 A442F transmission pan to cleanse, re-seal and replace solenoids. For $50 I replaced the mesh filter screen but the old one was clean so not necessary. The dipstick / fill tube is a PITA but once unbolted with the brackets comes apart in 2 pieces about a foot up from the pan. There's a $0.50 o-ring in there where the two sections go together that can be replaced too.
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- Thread starter
- #12
Thank you! I will try to solve the rest of this job today. Did you access this bracket and bolts from the top of the engine bay or underneath? Does it actually require whole body on top of engine bay and reaching down in order to get to it?
On mine there is a top and bottom bolt that holds in the tube. The top bolt is right at/below the dipstick and easily accessible from the top side. The bottom bolt is up the tube from the pan and comes out from down under. Again not sure if the other transmission is the same. Once those bolts are out you can wiggle out the whole fill tube which comes apart in two sections allowing removal of the pan. The bottom of the tube is part of the pan. Be ready for an ATF shower.
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Just remove the bolt that secure the dip stick up top and then you can drop the pan with the tube attached to it.
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- #15
It absolutely worked. The top part of tube remained and I removed the single 12mm bolt on the bracket allowing the bottom part of the dipstick tube to separate from the top. The bottom part of this tube remained on the transmission oil pan as I dropped it down. I had to use an interior trim fitting removal tool to pry off the tube at the joining spot bec it was really stuck in there.
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- #16
Does anyone start up the vehicle and cycle through the gears to push out more fluid from the inner workings of the transmission for half a minute? I did that and more poured out I guess I have 2-3 gallons of it that came out.
