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Old 10-15-2011, 03:50 PM   #1
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Tranny slipping

My 99 4cyl has the 3 speed auto. It's started slipping between 2nd and 3rd. Any ideas what I should do? What's the first thing to try, any additives I could try first? What's the best way to handle it if an additive doesn't work... Try a junk yard to get one? ...have mine rebuilt? Order a new one? should i stop driving it right away?, it only slips once in a while now. HELP!!!!!!

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Old 10-15-2011, 05:23 PM   #2
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I would start with checking your tranny fluid first. Make sure its at the right level and is a nice red color. You also might just need a fluid flush. I think the 32 RH uses ATF 4 fluid. Good luck.

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Old 10-15-2011, 05:25 PM   #3
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Yes on the atf +4, and is it making any whining noises?? And a fluid & filter change should be top priority!!
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Old 10-15-2011, 05:35 PM   #4
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It's not making any weird noises, it just gets up to like 3500 rpms and when it starts to shift it acts like it gets stuck in a false neutral. When I back of the throttle it shifts and goes on like normal. Down shifts fine, shifts fine from 1st to 2nd. It's just once in a while going from 2nd to 3rd. I just had the whole jeep looked over and they checked the tranny fluid and said everything is good.
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Old 10-15-2011, 05:38 PM   #5
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sorry......don't swing that way. I can't help you!
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Old 10-15-2011, 05:52 PM   #6
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If it were me, I'd drop the tranny pan, drain, and replace the filter while in there. Then add a bottle of Lucas Oil for tranny, and top off with ATF+4. See if that helps. I do not suggest a flush of any kind.
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Old 10-15-2011, 05:59 PM   #7
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Quote:
Originally Posted by Splnkr View Post
If it were me, I'd drop the tranny pan, drain, and replace the filter while in there. Then add a bottle of Lucas Oil for tranny, and top off with ATF+4. See if that helps. I do not suggest a flush of any kind.
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Old 10-15-2011, 06:37 PM   #8
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And just to verify,, its a 30rh and I would look closely at how much metallic material is in the pan, IF there's more than a tablespoon, its gonna need an overhaul, and the friction plate material could be interfering with the solenoids on the valve body, just my opinion
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Old 10-15-2011, 07:48 PM   #9
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I'll drop the pan and check it out. Think it's safe to drive? I've got about a 180 mile drive ahead of me tomorrow. eek! What are the chances it could be a sensor going bad or something of that effect? (no check engine light on)
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Old 10-15-2011, 09:24 PM   #10
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Idk about the trip tomorrow, but its a totally hydraulic tranny, which means no electronic=no check engine lights

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