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Old 06-23-2014, 02:11 PM   #1
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2000 auto transmission 4cyl...HELP

I'm new to the whole jeep game. Have a TJ with 83,000 miles and the transmission started slipping. Keep in mind it has 20" rock stars with 33" open country tires.
Transmission fluid got low and now it's slipping in 1st and 2nd gear. Tips? If I need new transmission where should I get one? Or rebuild what I have?
Any and all advice is appreciated. Thanks

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Old 06-23-2014, 02:28 PM   #2
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Did you bring the ATF level up to the correct level with ATF+4? Are you checking the ATF level correctly with the warmed up engine running and the transmission in Neutral?

And ATF+4 is the only suitable ATF for your 30RH transmission, don't use any other kind of ATF in it.

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Old 06-23-2014, 03:52 PM   #3
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Yes, it was low. Had slight black/burntness to it. I'm just looking into hopefully not having to get it rebuilt or a new one. A added a quart of the fixer in it and am about to get the atf+4
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Old 06-23-2014, 03:57 PM   #4
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Transmission additives are generally not advised. Based on the ATF looking burnt it's time to have it flushed with fresh ATF+4 in hopes of saving it.
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Old 06-23-2014, 06:38 PM   #5
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So the only advice on saving what I have is a flush and new ATF +4? Just to be clear.
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Old 06-23-2014, 08:53 PM   #6
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So the only advice on saving what I have is a flush and new ATF +4? Just to be clear.
Yes.
Because something is burning the fluid.
Better safe than sorry.
Just consider the cost of a tranny flush vs the time & money spent on rebuilding (or swapping) the tranny.

Besides, when's the last time the transmission filter has been changed?
This would be a good time.
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Old 06-23-2014, 08:55 PM   #7
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On a side note ...

I've always wondered why the car makers designed engine oil pans to have a drain plug, but not transmissions.

It can be a royal mess, when you first break that "seal" on the transmission pan.
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Old 06-23-2014, 10:48 PM   #8
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On a side note ...

I've always wondered why the car makers designed engine oil pans to have a drain plug, but not transmissions.
Because the pan has to come off anyway to replace the filter inside. Plus draining the pan would drain less than half of the ATF in the transmission system.
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Old 06-23-2014, 11:11 PM   #9
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I don't mind doing this flush at all.. Anything to save this tranny...
Taking it to the shop within the next few days. I will update y'all. I got this jeep about a month ago and it's my first so I'm trying to learn all I can.
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Old 06-25-2014, 12:19 AM   #10
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Because the pan has to come off anyway to replace the filter inside...
I see your point.
There will always be that fellow that, instead of changing the filter & fluid, will try to shortcut it, & only change the fluid. If there was a plug, someone would eventually try this.

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... draining the pan would drain less than half of the ATF in the transmission system.
I wouldn't want a drain plug, just to drain half the fluid.
I just think it would make things a lot easier, when it comes to changing the filter & fluid.
You pull the plug, drain whatever you can, THEN break the seal. Less mess that way.
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Old 06-25-2014, 06:51 AM   #11
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I add drains to my automatics because I like to have an easy way to keep the oil fresh. Although draining the pan only changes part of the oil, if done frequently enough it keeps it fresh enough to keep the tranny healthy and happy.

And when it's time to change the filter, it much less messy to have a drain.

Works well for me.
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Old 06-25-2014, 09:15 AM   #12
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I add drains to my automatics ...
How do you add a drain to it?
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Old 07-01-2014, 07:05 PM   #13
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Going to have to do the rebuild. Would y'all recommend redoing the axes for different gearing ratio while I'm at it? The tires are 33" running on stock axels
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Old 07-01-2014, 08:27 PM   #14
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The correct ratio for 33" tires with your 4-banger and 3-speed automatic would be 4.56.
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Old 07-02-2014, 12:46 PM   #15
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How do you add a drain to it?
With a B&M Automatic Transmission Drain Plug Kit for about $10.

Just drill a half-inch hole in the bottom of the pan, insert the inside/outside nuts/bolts with seals, and tighten them up.

When the tranny oil needs to be drained, take a couple of wrenches to untighten the drain bolt and later to reinstall it.

No leaks. Just smiles.
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Old 07-23-2014, 03:15 PM   #16
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Originally Posted by Jerry Bransford View Post
Did you bring the ATF level up to the correct level with ATF+4? Are you checking the ATF level correctly with the warmed up engine running and the transmission in Neutral? And ATF+4 is the only suitable ATF for your 30RH transmission, don't use any other kind of ATF in it.
Is the "SYNTHETIC" ATF+4 ok to use or does it have to be non-synthetic?
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Old 07-24-2014, 01:03 PM   #17
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There is only one kind of ATF+4 and it is synthetic. Buy whatever brand of ATF+4

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