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Limp-wristed Shifting of Newer Jeep Automatics


 
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Lowrider
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Joined: 08 Nov 2005
Location: Washington State

PostPosted: Tue Jan 17, 2006 9:37 am    Post subject: Limp-wristed Shifting of Newer Jeep Automatics Reply with quote

I bought a new 2006 Wrangler Unlimited less than 3 weeks ago and really like the rig except for the way the automatic shifts. The auto-trans in my '97 Cherokee, even with 99,000 miles on it, shifts quick and solid. The tranny in my new Jeep just kinda oozes into the next gear. Feels like the old '51 Chev Powerglide I used to own about 6 centuries ago. Mr. Green

Is the 2006 running the same automatic as the '97?

If not, what is the difference between the two?

Has anybody else noticed this on new Wranglers?


My '97 Cherokee is 2-wheel-drive. Could this have anything to do with the difference in the way the vehicles shift?

I appreciate any input.
_________________
She was only a fisherman's daughter,
But when she saw my rod she reeled.


2006 Wrangler Unlimited
1997 Cherokee Sport 2WD
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ehirner
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Joined: 01 Jan 2004
Location: Eastern PA

PostPosted: Tue Jan 17, 2006 5:14 pm    Post subject: Re: Limp-wristed Shifting of Newer Jeep Automatics Reply with quote

Lowrider wrote:
Is the 2006 running the same automatic as the '97?

No. The 97-02 Wranglers had a 3-speed auto tranny. 03+ has a 4-speed with OD...the 42LE or RE, I forget. The XJs had the 4-speed AW-4.
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Renegadestang
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Joined: 07 May 2005
Location: Marietta, GA

PostPosted: Thu Jan 19, 2006 9:33 am    Post subject: Reply with quote

That 42RE is the same they used on the ZJ's, isn't it?
_________________
1998 Jeep Cherokee Sport: 4.0L, AW4, 235/75 Wild Spirit's

1981 Jeep CJ-7 Renegade: 307-4V SBC, SR-4 4-spd., 31x10.5 Wild Spirit's

1966 Ford Mustang: 289-4V, C4 Auto.
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ehirner
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Joined: 01 Jan 2004
Location: Eastern PA

PostPosted: Thu Jan 19, 2006 2:19 pm    Post subject: Reply with quote

Renegadestang wrote:
That 42RE is the same they used on the ZJ's, isn't it?

I don't know. ZJs aren't my thing.
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1fox2go
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Joined: 01 Dec 2004
Location: Fishersville, Virginia

PostPosted: Thu Jan 19, 2006 8:16 pm    Post subject: Reply with quote

The I6 grand comes with the 42RE trans but I dont think they used that trans in wranglers all the info i could dig up said it was used in 1993.5 to present I6 grands

It didnt mention anything about wranglers


but its chrysler so who knows, could be possible that you have that trans

as for the shifts I think, THINK, the cherokee had the AW4 trans which ive noticed in riding in them have a firm shift...

as for the newer jeep "oozing" into gear i read that that is a "comfort" feature to make the auto trans seem shift less what it is, is the trans is actually in 2 gears at once and the clutches are slipping together making a smooth transition into the next gear

thats why they say shift kits help make the trans last longer...the clutches arent slipping together as much creating less wear on them

hope any of that rambling helps
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96 Cherokee 7.5 inch TnT long arm Locked F/R, D44 rear, 4.56s, 35x12.50 Muds/36x12.50 TSLs
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1fox2go
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Joined: 01 Dec 2004
Location: Fishersville, Virginia

PostPosted: Thu Jan 19, 2006 8:17 pm    Post subject: Reply with quote

yea i just seen that i said the cherokees have the aw4 and ehirner already said that sorry
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96 Cherokee 7.5 inch TnT long arm Locked F/R, D44 rear, 4.56s, 35x12.50 Muds/36x12.50 TSLs
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Lowrider
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Joined: 08 Nov 2005
Location: Washington State

PostPosted: Fri Jan 20, 2006 11:37 am    Post subject: Reply with quote

Thanks everybody for the input.

I think the first time I have the transmission serviced I'll get a shift kit installed. I like solid shifts in my automatics.
_________________
She was only a fisherman's daughter,
But when she saw my rod she reeled.


2006 Wrangler Unlimited
1997 Cherokee Sport 2WD
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