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Old 11-10-2011, 01:12 PM   #1
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Transmission issues

Hey guys,

Just joined the forum!! I just got a 97 TJ with a 4" lift and 33" tires. The issue that im having is, when I put it into gear (automatic trans), i have to rev it up to about 3K before the car even moves. Then once i get going, in first and second gear, it feels like im running out of gas. It sputters real bad, to the point that i wait to make sure there is no traffic before pulling out. I thought maybe it was a spark problem so I did a tune up. New plugs, wires, cap, and rotor. But it didn't fix the problem. Now, a buddy of mine just got a 99 TJ and when you jack up the back end of his off the ground, you spin the tire one time, and the driveshaft spins 3.75 times. When we did mine last night, one rotation of the tire spun the driveshaft 1.5 times. Any ideas? Firestone said I need to take it to a transmission shop. Do you think this is accurate?

Thanks for the help!

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Old 11-10-2011, 01:15 PM   #2
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Have you checked the transmission fluid level? Low levels or a clogged filter could cause these kinds of symptoms as would the pumps/pistons/seals inside your transmission. Yes, a trip to the transmission shop is probably a good idea.

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Old 11-10-2011, 01:34 PM   #3
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have you got it wet i had the same problem the is a plug on top of the auto that will take in water and once it dose that smoked time to rebiled are go try and git it flushed
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Old 11-10-2011, 01:46 PM   #4
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Quote:
Originally Posted by hopper71286 View Post
Hey guys,

Now, a buddy of mine just got a 99 TJ and when you jack up the back end of his off the ground, you spin the tire one time, and the driveshaft spins 3.75 times. When we did mine last night, one rotation of the tire spun the driveshaft 1.5 times. Any ideas? Firestone said I need to take it to a transmission shop. Do you think this is accurate?

Thanks for the help!
Your buddy has 3.73's and a limited slip or a locker.

You have 3.07's and an open diff.

Per:
Quote:
Originally Posted by Jerry Bransford
With an open axle, the tire needs to be rotated twice so the pinion/driveshaft rotates the number of revolutions to equal the axle ratio.
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Old 11-10-2011, 05:44 PM   #5
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Your buddy has 3.73's and a limited slip or a locker.

You have 3.07's and an open diff.

Per:
My buddy has a 99 Sport 4.0 Manual. I have a 97 SE 2.5 Automatic. But, on the rear diff, both of ours have the tag that says 3.73. Does this seem right? How do you know if you have a limited slip or a locker? He just bought it and i don't think anything was mentioned about a locker...
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Old 11-10-2011, 05:46 PM   #6
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Also, what is the best way to go about checking the transmission fluid level? Car running? Car off? Car in Park? Car in Neutral? I've heard all of them...
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Old 11-10-2011, 05:58 PM   #7
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Old 11-10-2011, 05:59 PM   #8
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Originally Posted by hopper71286 View Post

This link will take you to a video that I shot of what my tach does when the symptoms that I'm talking about happen. You can here it missing in the background at the same time. Thanks!!
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Old 11-10-2011, 06:26 PM   #9
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With the jeep running at up to operating temperature. park it, move the shifter through each of the gears and then put it in neutral. Then check the level on the dip stick. Keep the jeep running the whole time, make sure you are on level ground and chock the wheel to keep the jeep from moving.
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Old 11-10-2011, 06:41 PM   #10
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With the jeep running at up to operating temperature. park it, move the shifter through each of the gears and then put it in neutral. Then check the level on the dip stick. Keep the jeep running the whole time, make sure you are on level ground and chock the wheel to keep the jeep from moving.
Is it the same with an automatic transmission?
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Old 11-10-2011, 06:56 PM   #11
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That is for the automatic
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Old 11-10-2011, 07:30 PM   #12
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Mine started to slip when it sat for long periods. I changed the filter and fluid and adjusted the bands. It no longer slips. I had a case of ATF +3 so I used that for fluid. Otherwise I think the fluid to use would be ATF +4. If you have the factory dip stick look on the stick and it will tell you to check it in neutral and what fluid to use. Just keep in mind that was before the ATF +4 came out. That is for my 99 and I asume it woukd be the same for a 97.

Joe
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Old 11-11-2011, 12:44 PM   #13
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Jeeps on the way to the shop today...thanks for all the advice! I'll letcha know what they say!

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