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Unread 03-11-2015, 01:42 AM   #1
cirwin144
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1994 ZJ 
 
Join Date: Dec 2014
Location: winslow, AZ
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transmission or T-case issue?

Recently I found out I didn't have reverse or 4wd in my 94 ZJ with the 4.0 and quadra-tech. While I was trying to check the fluid I also noticed that instead of engaging neutral when the selector was in neutral the transmission acts like its in drive. concerned that my transmission had gone I changed the filter and fluid but the old fluid looked normal and there weren't any flakes floating around.
I do admit that my knowledge of AT's and T-cases is very limited so before I take it to the jeep dealer and pay them 100 bones to look at it I figured I would dig around the forum to see if anyone else had this issue and was able to fix it but I didn't find anything useful so I'm just wondering if my transfer case not engaging the front wheel has something to do with my confused transmission or if there is something easy I don't know about to fix it like a vacuum line or something.

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Unread 03-11-2015, 01:59 AM   #2
PolkaPower
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Transmission problem. Probably some broken bits inside. Has nothing to do with the t case.
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Unread 03-11-2015, 01:25 PM   #3
cirwin144
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thanks for the reply. but you think that I have an issue with my transmission AND my t-case? because my front tires are free spinning like a 2wd but I was under the impression that quadra-tech was full time 4wd.
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Unread 03-11-2015, 02:00 PM   #4
XJ93
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Quadra-trac* is a full time system, take a look at your t-case lever positions and tell us how many are there.
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Unread 03-11-2015, 02:47 PM   #5
XJ93
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What do you mean by "free spinning"? If there is any issue with the front axle you may have broken cv's, a bad viscous coupler in the t-case, or worse broken ring and/or pinion gear(s).
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Unread 03-11-2015, 05:01 PM   #6
cirwin144
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Quote:
Originally Posted by XJ93 View Post
Quadra-trac* is a full time system, take a look at your t-case lever positions and tell us how many are there.
there are three positions: 4high, neutral and 4low.
Also could any of those issues XJ93 named effect my transmission problem?
reverse acts like an extension of park and neutral will drive it forward. I got it to shift from first to second in the neutral position but than got scared of causing more damage and put it back in drive.
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Unread 03-11-2015, 05:05 PM   #7
cirwin144
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Quote:
Originally Posted by XJ93 View Post
What do you mean by "free spinning"? If there is any issue with the front axle you may have broken cv's, a bad viscous coupler in the t-case, or worse broken ring and/or pinion gear(s).
and I mean no power goes to them. I had it on a lift with it in drive and I grabbed the front tires and spun them backwards and forwards like they would on a rear wheel drive vehicle
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Unread 03-11-2015, 08:56 PM   #8
LowBudgetZJ
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Front driveshaft missing?
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Unread 03-11-2015, 11:19 PM   #9
cirwin144
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Quote:
Originally Posted by LowBudgetZJ View Post
Front driveshaft missing?
the front drive shaft is installed and a couple months back I replaced the passenger side CV because the joint blew out and my 4wd was working after that but ever since I lost reverse it hasn't been working.
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Unread 03-11-2015, 11:29 PM   #10
MurdaJs
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Reverse/neutral issues are separate from your 4wd issue, so let's figure that out first.

When the trans selector says neutral, it's in drive, correct? Can you find the actual neutral? I'm suspecting the linkage could be out of adjustment
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Unread 03-12-2015, 07:56 AM   #11
XJ93
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Yeah I would agree with MurdaJs, your linkage needs adjusted on the transmission. Get that done first. The 4wd issue may be your d.s. cv is blown out or something worse. One step at a time though. We can help get you pointed in the right direction.
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Unread 03-15-2015, 05:55 AM   #12
cirwin144
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Quote:
Originally Posted by MurdaJs View Post
Reverse/neutral issues are separate from your 4wd issue, so let's figure that out first.

When the trans selector says neutral, it's in drive, correct? Can you find the actual neutral? I'm suspecting the linkage could be out of adjustment
I cant find neutral or reverse at all. I even moved the lever on the transmission by hand while it was on the lift and it acted the same as if I were moving the selector up in the cab.
I was afraid it was my transmission had gone but I figured I would see if I was overlooking something because of how little I know about AWD systems.
thanks for all the info/ideas though guys.
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Unread 03-15-2015, 06:01 AM   #13
cirwin144
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Quote:
Originally Posted by XJ93 View Post
Yeah I would agree with MurdaJs, your linkage needs adjusted on the transmission. Get that done first. The 4wd issue may be your d.s. cv is blown out or something worse. One step at a time though. We can help get you pointed in the right direction.
If I'm reading this correctly XJ93 are you saying the selector on the actual transmission could be misaligned? As in the part the cable from the lever connects to and not the actual cable? Is that even a thing that can happen?
And I apologize for my ignorance. I can do just about anything on a motor but once people start talking about automatic transmissions its like they're speaking Russian.
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Unread 03-17-2015, 02:20 PM   #14
XJ93
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Yes and yes. BTW, you say you recently found out about this issue. Is this a vehicle that sits or a recently acquired vehicle? I would think that in daily driving you would notice an issue right away. Has it been in for any kind of service work recently? I know when I had a recall service done for the shift interlock cable my shift selector was out of adjustment. Made them fix it.
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Unread 03-17-2015, 02:23 PM   #15
XJ93
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Also check out post 16 in this thread http://www.jeepforum.com/forum/f13/m...41/index2.html
You may need band adjustments as well.
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4wd , automatic transmission , transfer case

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