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  #1  
Old 06-20-2007, 06:19 PM
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Default t-case woes

So, I noticed a puddle of 90wt in the driveway today. Yippie!!! I got a leaking t-case. As Ben and I are about the only 100 wheelers, mostly I'm looking for a shoulder to cry on. Advice on 100 series is almost like asking for help with a Land Rover. I don't see the point on posting in Mud as the 100 forum is full of idiots and useful advice is.... I'll be reading the FSM and calling Christo tomorow. See the 100's and the 40's really do have a lot in common, 135K on the clock you better rebuild the t-case. Kind of have my eye on Marks lower gearset, you know while I got it apart. Damn, Damn, Damn.
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Old 06-20-2007, 09:24 PM
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100 and 80 tx case is about the same thing without the VC coupler. I have the Marks gearset in mine. Have not wheeled it so I am not sure on how much it will help. As for the leak, where is it leaking. Simple might be the speed sensor O ring, loose drain plug, more complicated would be input or output seal.
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Old 06-20-2007, 11:45 PM
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Sorry to hear it, Farnham. On the plus side, I have the Marks gears in my 40 t-case, and they are nice.
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Old 06-21-2007, 01:59 PM
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I'm leaking out the rear oil seal. I pulled the breather hose to check that it is not as simple at a cloged breather. I changed the fluid to check for water/mud ect. It had lost minimal fluid. It feels to me like there is a little play in the rear output shaft, but maybe that's normal. I don't think so. Is it possible to pull the rear extention housing without removing the t-case? Looks like the exhaust might be in the way. Anyone done a rear housing in an 80?
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Old 06-21-2007, 03:05 PM
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You can do it in the car w/o taking the exhaust off. Tight but doable. I would only replace the seal. The shims for the preload on the shaft bearings are behind the rear extension housing. Make sure they are all accounted for and be careful putting it back together, they like to move. We used to replace the ctr diffs in these all the time for a tsb, but haven't done any for a while.
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Old 06-22-2007, 10:52 PM
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I find it hard to believe that 1996-1999 is a model category, but here: http://denver.craigslist.org/pts/358289179.html just in case..
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Old 06-22-2007, 11:37 PM
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Quote:
Originally Posted by nakman View Post
I find it hard to believe that 1996-1999 is a model category, but here: http://denver.craigslist.org/pts/358289179.html just in case..
Almost tempting to buy it, just to have one on the shelf.
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Old 06-23-2007, 07:53 AM
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Having spent many hours under my 94 recently...I say that looks nothing like the HF2AV used on the 80 series from 93-97....pretty sure it's from a taco or runner.
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Old 06-25-2007, 10:04 AM
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Took it to Slee, Sunday. I checked t-case was full b/f leaving Vail and it was only leaking out the rear. By the time I got to Golden It was puking out both ends. I was a little worried I might start a fire with how bad my muffler was smoking, totally covered in 90wt. I wonder if his staff got a laugh at the diaper I left under it to catch dripping fluid.
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