SYE in a YJ
After installing a Rubicon Express 4" standard lift on my '88 YJ I came across a common problem which is vibration due to extreme driveline angles, as well as the driveshaft being pulled out of the slip yoke. Domain: http://marz.org
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Submitted by PAULHEAD on 12/28/03 Edited
12/28/03
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Sye Install
These are instructions for replacing the output shaft on a np231 transfer case and installing a Slip Yoke Eliminator. This is intended as a guide line only. During the installs we used two different kits an Advanced Adapters and Bayou Geep kit. The two kits are similar but, the minor differences are important to each kit. So make sure your read the instructions that came with your kit to insure that the work is done correctly.
You need Adjustable rear control arms to adjust the pinion angle after you are done. We got enough adjustment out of the lower arms to set the angle, some Jeeps may need adjustable upper arms as well. Also, you may need rear shock re-locator brackets. Another option to the re-locator brackets is flipping the shocks so the canister in up, you will need to check with your shock manufacture to see if this may be an option for you. One other thing that can be done regarding this is, to cut away part of the rear lower spring perch allowing the shocks full travel without hitting. This is your call, what ever works in your situation. Domain: http://www.stu-offroad.com
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Submitted by kizer on 12/12/03 Edited
12/12/03
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T-90 Rebuild Guide
In my search for detailed instructions for rebuilding a T-90 I found there was little in the way of helpful information available. I did find a local transmission guru to answer some of my hardest questions. Since I considered the service manual to be inadequate for a beginning rebuilder, I bought a T-90 and practiced taking it apart and putting it back together again. I have practiced it so many times now that I've lost count, so I feel somewhat qualified to pass on what I have learned. (I have successfully rebuilt over ten T-90s since I first posted this guide) If you wish to follow these instructions, you will need to manufacture the tools listed below. If you prefer to use the heavy grease method of assembling the cluster gear, please feel free to do so. Just skip the instructions that require special tools and figure it out for yourself using an illustrated parts breakdown (IPB). Domain: http://www.willystech.com
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Submitted by Code3TJ on 07/26/04
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T-Case Lowering Kit Installation
The t-case lowering kit has no instructions in it. I did not find any instructions on the the Tera website either. However, the kit consists of 6 bolts with applicable spacers and lockwashers. So...how hard can it be? Here is how I did it. Domain: http://www.stu-offroad.com
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Submitted by kizer on 12/08/03
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TJ Speedo Gear Chart
To arrive at a correct Jeep® part number add the tooth count for the speedometer gear to the end of 520676. For a 26 tooth gear the correct part number is: 52067626. Domain: http://www.raingler.com
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Submitted by kizer on 11/02/03 Edited
12/28/03
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Transfer Case Indexing
During the installation of the 4.3l Vortec engine, I had to relocate the transmission mount. I took this as an opportunity to revisit my skid plate with the goal of increasing the clearance under the skid plate.
My old skid plate was made out of 1/4" plate steel and was pretty much indestructible. The only issue was it had a 3" drop in it to provide clearance for the D300 drop. Since I was installing a new transmission (a SM465) and I had the transmission separated from the transmission, I decide to index (or rotate) the transfer case counter clock wise to provide additional ground clearance.
This isn't a very difficult project, just one that takes some thought before you do it. For instance, in my installation, the transfer case was about 3 inches further forward with the 4.3L/SM465 then the old 4.2L/NP435 setup. This caused some clearance issues that I could only resolve by cutting access holes in the floor/transmission tunnel. Domain: http://www.4x4wire.com
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Submitted by Code3TJ on 08/02/04
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Transfer Case Linkage fix after body lift
Ok me and TJCruzer just did this on my TJ with a 1" Body Lift it works great!.
THIS IS ON AN AUTO TRANS TJ, not sure about the manuals. Domain: http://www.michiganjeepers.com
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Submitted by kizer on 10/30/03 Edited
02/06/04
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Transfer Case Shifter Linkage Knocking TSB
Do you hear a knocking on the driverside floor when accelerating or occasionally when you go over a bump? This is the TSB that you will need to get it fixed. Domain: http://www.4x4xplor.com
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Submitted by wayoflife on 10/11/03 Edited
11/18/03
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Transfer Case Vehicle Index
The following table is provided to assist you in identification of your existing transfer case. To be sure check tag typically located on rear of transfer case. Domain: http://www.drivetrain.com
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Submitted by kizer on 10/25/03 Edited
11/17/03
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Transfercase Drop
Let me just start off by saying that every Jeep is different. I don't know why that is but they are.... well, except for the fact that they will just empty every pocket of money that is :) Anyway, if you just got done installing a small lift like a 2" Budget Boost, there's a chance that you will have drive line vibrations or vibes as many like to call it. These vibes are caused by your drive line angles being off. Now, if you installed a bigger 3"+ lift, I would recommend installing a SYE/CV drive shaft. However, being that you just installed a "budget boost", I'm gonna guess that cash isn't something you want to be throwing more of at your Jeep. Well, here's your budget solution you've been looking for.... drop your transfer case skid plate. It isn't beautiful but it will work, it's cheap and easy to do. Domain: http://www.4x4xplor.com
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Submitted by kizer on 12/09/05 Edited
12/09/05
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Twin Stick Dana 300
This will be a modification that you can do at home, but you will need a torch and welder. You can farm that out to a machine shop for little cost.
All in all I have about $30 into this, including metal and hardware. If you took the welding and torching to a machine shop, they would probably charge you $20-$40, depending on what a minimum cost would be or how good friends you are. Luckily I have a hobby shop on base which cost me next to nothing to do this myself. I have seen these going for about $70-$100 on ebay and I know there are some manufactures out there charging in excess of $120 for this setup. The only bennies I can see with that is they give you the boot for it, but I believe you can even buy the boot separate from Currie Enterprises for around $30. Domain: http://www.jeepgod.net
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Submitted by Code3TJ on 08/04/04
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Water proofing your transmission
For anybody who plans on doing any deep water crossing, you need to look into extending your transmission vent. From the factory there are only vent lines run from your axles and t-case. Why they didn't run the vent any higher on the trans I don't know. Anyhow, it is pretty simple and well worth it mod to do. It took me about 2 hours to complete with running to the store to get some parts. This was done on a '97 TJ with the I6 and 5 speed (AX-15), I don't know if the AX-5 or the NV3550 are the same setup. Basic hand tools are all that is needed. Domain: http://www.totalparadox.com
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Submitted by kizer on 11/23/03 Edited
02/05/04
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Waterproofing Your Transmission
The following writeup was performed on a 2001 TJ & and on a 2002 TJ. Both have the 5-speed NV3550 transmission. This may or may not work with any other transmission (I have no idea), use good research & judgment before trying this on a transmission other than the NV3550. Domain: http://www.getahelmet.com
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Submitted by imperialfleet on 10/30/03 Edited
12/14/05
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WJ Four-Wheel Drive Systems
Information and specifications of the Grand Cherokee NV147 Quadra-Trac I, NV247 Quadra-Trac II, NV242 Selec-Trac and Quadra-Drive transfer cases. The site also includes info about the limited slip differentials available. Domain: http://www.wjjeeps.com
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Submitted by Code3TJ on 08/13/04
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