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post #1 of 13 Old 01-26-2005, 08:08 PM Thread Starter
Bocyfus
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Transmission Slips

I have a 94 Jeep Grand Cherokee auto I6 with 154,000 miles on it...... When cold my tranny slips.....only after the enitial start up (in morning or when getting off work) Usually slips for quater mile or less....after that it runs great. I have drained the tranny and tried to treat it with Lucas Tranmission fix....nada....i asked a local shop and of course they said i might look into rebuilding the tranny.....1400 is what they wanted....ouch!

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post #2 of 13 Old 01-26-2005, 08:13 PM
midwest97gc
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I dont see a question in your post but...

What gear does it slip in?
Every gear?
Just first?
Passing gear?

You could get the adjustments done to tighten everything up at the shop

Cassius

Platinum 97 GC LTD
2" BB, Edelbrock Shocks, 31X10.5 A/T MT's on Stock Rims, Bump Extensions, Custom Skid Plates, De-pinstripped, De-badged, 5% tint ALL the way around, Yellow top battery, Grounding Kit, 200 Amp Alternator, (6) 10in JL Audio WO's, (2) JL Audio Slash 1000/1 Amps, Alpine IVA-D300 Headunit, MB Quart mids and highs all the way around, and the volume always at 100

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post #3 of 13 Old 01-26-2005, 09:33 PM Thread Starter
Bocyfus
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sorry, my question i guess is this normal ? and what should i check into before i get bent over a barrel? You answered the bent over part about having everything tightended up..... It slips usually in first and second....ala stop signs take off and maybe into second gear. If i asked the shop to tighten it up will they do that?
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post #4 of 13 Old 01-26-2005, 09:46 PM
josephmartins
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Quote:
Originally Posted by Bocyfus
sorry, my question i guess is this normal ? and what should i check into before i get bent over a barrel? You answered the bent over part about having everything tightended up..... It slips usually in first and second....ala stop signs take off and maybe into second gear. If i asked the shop to tighten it up will they do that?
I've been to a very reputable local tranny shop about the same issue (a family owned biz that's been around for a few decades). While I'm sure the owner could've made up anything just to get some business, he didn't. He even took it for a several-mile-long test drive just to make me feel better.

He explained that this was common among that family of trannys and not a repair issue. It's just the way the tranny operates. He saw it as a design flaw. The way he put it...it takes a little longer for them to "warm up" in the morning and on cold days. If the problem goes away after warm up, you know there's nothing wrong. If it's still there, then there's another issue in play.

Kind regards,

Joe Martins
Milford, NH

12 Wrangler Sahara JK8 conversion, <10 miles (FOR SALE, $56,700)
01 WJ Limited, 4.7, 247, black on black, 157k miles (sold)
96 XJ Classic, 4.0, 242, black on grey, 267k miles (sold)
00 XJ Sport, 4.0, 242, fern green on grey, 76k miles (sold)
90 XJ Wagoneer, 4.0, 242, burgundy on tan, unknown mileage (sold)
97 ZJ Limited, 5.2, 249, black on black, 138k miles (wrecked 12/15/05)
98 ZJ Limited, 5.2, 249, burgundy on black, 197k miles (sold)
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post #5 of 13 Old 01-27-2005, 01:26 PM
mr_user
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Slipping only when it is cold seems to me like a fluid delivery issue. Mine does not do that, and I wouldn't go so far as considering it "normal."

You mentioned you drained the tranny, did you replace the filter and fluid or what?

Old: '96 ZJ 4.0, 32" MT/R's, 4.5" Lift, Mickey Thompsons, JKS Disco's

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post #6 of 13 Old 01-27-2005, 01:30 PM
josephmartins
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Quote:
Originally Posted by mattfelner
Slipping only when it is cold seems to me like a fluid delivery issue. Mine does not do that, and I wouldn't go so far as considering it "normal."

You mentioned you drained the tranny, did you replace the filter and fluid or what?
Not so much normal as it is a design flaw...and I'm guessing it happens quite a lot since I've read dozens of posts, but just not to everyone (you lucky duck).

Kind regards,

Joe Martins
Milford, NH

12 Wrangler Sahara JK8 conversion, <10 miles (FOR SALE, $56,700)
01 WJ Limited, 4.7, 247, black on black, 157k miles (sold)
96 XJ Classic, 4.0, 242, black on grey, 267k miles (sold)
00 XJ Sport, 4.0, 242, fern green on grey, 76k miles (sold)
90 XJ Wagoneer, 4.0, 242, burgundy on tan, unknown mileage (sold)
97 ZJ Limited, 5.2, 249, black on black, 138k miles (wrecked 12/15/05)
98 ZJ Limited, 5.2, 249, burgundy on black, 197k miles (sold)
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post #7 of 13 Old 01-27-2005, 03:26 PM Thread Starter
Bocyfus
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Yes I replaced the filter and also the fluid...... I was looking at maybe selling it and well it was going to be cheap at $1700 dollars. But it has been so dependable and plus no car payment. I think ill spend a little money and fix all the usual oil leaks and drive it until it wont drive anymore....I was going to take the $1700 and run if the tranny needs fixing thou..

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post #8 of 13 Old 01-27-2005, 06:08 PM
midwest97gc
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They tend to do this when you just jump in, start the truck, and go, when it is 10 degrees outside.

Drving cold hurt the Jeep in my opinion, that is why I invested in an automatic-start.

Drive her into he ground. You would be surprised how long this will actually take lol

Cassius

Platinum 97 GC LTD
2" BB, Edelbrock Shocks, 31X10.5 A/T MT's on Stock Rims, Bump Extensions, Custom Skid Plates, De-pinstripped, De-badged, 5% tint ALL the way around, Yellow top battery, Grounding Kit, 200 Amp Alternator, (6) 10in JL Audio WO's, (2) JL Audio Slash 1000/1 Amps, Alpine IVA-D300 Headunit, MB Quart mids and highs all the way around, and the volume always at 100

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post #9 of 13 Old 01-27-2005, 06:55 PM
jeep23
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My jeep does the same thing every once in a while, when it is real cold. It will slip in second gear or not want to shift. I had two transmission specialist look at it and both said it was the seals in the transmission. I was told a new transmission was the only way to go. Although, my transmission doesn't do it that often and it hasn't got worse over the past three years that it's been acting up.
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post #10 of 13 Old 01-27-2005, 07:20 PM
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I had this problem. What fixed it besides flushing and having solenoids cleaned was I replaced the hose w/check ball in it that comes from the rad. Do a search for CHECK BALL or CHECK VALVE. This should help you.

Although mine is still a little sluggish when it's 10 deg out it's still way better than it was.

1997 Jeep Grand Cherokee LMTD Loaded 5.2 V8 Q-Trac 4X4
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post #11 of 13 Old 01-27-2005, 07:27 PM
CAHotRodBoy
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I've never had that problem because.......it never gets cold here!
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post #12 of 13 Old 01-27-2005, 07:34 PM
mr_user
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Quote:
Originally Posted by josephmartins
Not so much normal as it is a design flaw...and I'm guessing it happens quite a lot since I've read dozens of posts, but just not to everyone (you lucky duck).
Yes, to my understanding though this 42re is a time bomb!

Good luck with the problem, if it doesn't get any worse or if you learn to cope with it than I would just leave it be. Every vehicle has its quirks, and if a mildly slipping tranny is the only problem ya' got at 154k, god bless man!

I'd love to tell you to run that thing in the ground, but I have a feeling it will be driven to your memorial service.. (for lack of less gruesome images). You'd be surprised how long these things will last, an XJ on the cherokee board today turned 333,000!


Matt

Old: '96 ZJ 4.0, 32" MT/R's, 4.5" Lift, Mickey Thompsons, JKS Disco's

New: '02 WJ Limited 4.7L, Stock for now
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post #13 of 13 Old 01-27-2005, 07:57 PM
laphan
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I rebuilt my tranny (extended warranty paid for that) because of that slipping problem. Its the seal (defective from factory) and they have lots of revised parts to fix those problems (basically you need a complete rebuilt to really fix the problem).
I rebuilt it just because my extended warranty said that its included in my service contract and I have $0 deductible. For those of you who get over 150K on the tranny should be happy, mine blew at 74K.
I guess for you guys who have this problem, keep driving it until it really need a complete rebuild.

98 ZJ, 4.0L I6, 42RE, NP242.
Upgrades: mopar skid plates, mopar tow hitch, Hayden transmission cooler, OME SS, DT8000 pre-runner shocks, Kevin's Radiator Support, 2" BB, Bridgestone Dueler A/T revo.
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