D18 transfer case project |
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ndnchf
Member Sponsor Member x 2 Joined: 22 Sep. 2017 Location: Virginia Status: Offline Points: 2177 |
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Posted: 23 Jan. 2019 at 5:23pm |
Thanks guys. There are good, thorough "how to" videos out there. Since I didn't know "how to", I didn't even try. I just wanted to share my learning experiences - it was fun. BTW, I added one last night on mating the T90 to the D18.
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1948 CJ2A - It goes nowhere fast, but anywhere slow.
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oldtime
Member Joined: 12 Sep. 2009 Location: Missouri Status: Online Points: 4186 |
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I also watched the videos and while not exhaustive on the topic I thought Steve does an excellent job.
Clear, concise, no stuttering, no repeats, and technical terms used are all spot on. And the TC itself actually looks pro rebuilt.
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Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963) Zero aftermarket parts |
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ndnchf
Member Sponsor Member x 2 Joined: 22 Sep. 2017 Location: Virginia Status: Offline Points: 2177 |
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Thanks - glad you found them helpful. For experienced TC builders, much of what I point out is common knowledge. But for newbies like me and others to follow, those little things can bite you in the butt. So that's why I thought it would be helpful to point them out. Oh and by the way, my shop is not always clean. Its a mess when I'm working, I just clean it up before making the videos
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1948 CJ2A - It goes nowhere fast, but anywhere slow.
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Floater
Member Joined: 19 Mar. 2017 Location: Plattsburgh, NY Status: Offline Points: 21 |
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Hi Steve -
I just watched your last three videos on your D18. EXCELLENT! Thanks for taking the time to do this. I was impressed by how thoroughly you covered the trouble spots in the assembly (like that locking plate gasket) and by how clean your shop is (I'm OCD myself). Thanks again, Reg
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"More time under it than in it..."
M201 Super Jeep Plattsburgh, NY |
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ndnchf
Member Sponsor Member x 2 Joined: 22 Sep. 2017 Location: Virginia Status: Offline Points: 2177 |
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It is done! A friend came over today and helped me torque the shaft nuts. After that I buttoned everthing up. Its ready to mate to its brother the T90. Thanks Oldtime and everyone else who offered tips and advice, and to Bob for the rear bearing cap. Without all your help, I wouldn't have got this done.
I made a series of videos as I went that captured my experiences along the way. I put the up on youtube.
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1948 CJ2A - It goes nowhere fast, but anywhere slow.
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oldtime
Member Joined: 12 Sep. 2009 Location: Missouri Status: Online Points: 4186 |
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Right .........anymore my brain malfunctions and I have to review my own threads to see what I might already know.
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Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963) Zero aftermarket parts |
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ndnchf
Member Sponsor Member x 2 Joined: 22 Sep. 2017 Location: Virginia Status: Offline Points: 2177 |
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Nice to have OEM parts!
With all I've learned about the D18 over the last month, and making or buying all the needed tools, I'm sure the next one will go quicker. So long as I remember everthing. Thats one reason for this thread - future reference
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1948 CJ2A - It goes nowhere fast, but anywhere slow.
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oldtime
Member Joined: 12 Sep. 2009 Location: Missouri Status: Online Points: 4186 |
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Yeah That's a quality looking "I" shaft.
Great idea on the chamfering.
I've been using OEM NOS shafts and also some AA tapered shafts. I already got my latest TC all finished except for the companion flange. Does not take long when all parts are ready to go. This one ended up with .004 output shaft play. Because I have a late companion flange the parking brake drum was .15" from seating the shoes where they need to run inside the drum. Opposite to your situation my parking drum was not pulling in far enough. I may end up putting the yoke on a machine lathe to shorten the flange down to the later specs. |
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Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963) Zero aftermarket parts |
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ndnchf
Member Sponsor Member x 2 Joined: 22 Sep. 2017 Location: Virginia Status: Offline Points: 2177 |
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Oh noooo - not really surprising! My Novak intermediate shaft arrived and I got it installed tonight. I wasn't sure if I could get the O-rings in without damage. I carefully chamfered the entrance side of each hole with a needle file, followed by some 320 grit wrapped around a stick to polish the chamfer. I greased them up and slipped the shaft in. To my surprise, the O-rings slipped right in without any problem. Whew - that was a relief! Tomorrow I'll finish assembly.
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1948 CJ2A - It goes nowhere fast, but anywhere slow.
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oldtime
Member Joined: 12 Sep. 2009 Location: Missouri Status: Online Points: 4186 |
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Looks like I'm needing the shorter companion flange for my higher ratio speedo gears.
Ha Ha Ha !
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Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963) Zero aftermarket parts |
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ndnchf
Member Sponsor Member x 2 Joined: 22 Sep. 2017 Location: Virginia Status: Offline Points: 2177 |
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Well, fortunately I went into this as a learning project. I'm in no real hurry to complete it, so I can take my time to learn from my mistakes and double check everything as I go. If I do another one, I expect it will go a bit easier. Experience is a good teacher!
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1948 CJ2A - It goes nowhere fast, but anywhere slow.
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oldtime
Member Joined: 12 Sep. 2009 Location: Missouri Status: Online Points: 4186 |
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No Jeff ...
You have to get payed to be employed ..... Ha Ha !
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Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963) Zero aftermarket parts |
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jeeper50
Member Sponsor Member Joined: 01 Mar. 2008 Location: Spanish Fort AL Status: Offline Points: 2579 |
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He is currently doing just that... as we all do!! Great thread!
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Belleview ol skool winch soon. '48 CJ2A 283 V8 sm 420 granny low, tera low D18, overdrive,lockers Texan at heart,Alabama by retirement |
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oldtime
Member Joined: 12 Sep. 2009 Location: Missouri Status: Online Points: 4186 |
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You obviously have an excellent eye for quality control.
You shoulda worked for WO.. Ha ha ha !
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Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963) Zero aftermarket parts |
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ndnchf
Member Sponsor Member x 2 Joined: 22 Sep. 2017 Location: Virginia Status: Offline Points: 2177 |
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After comparing the position of the drum to the backing plate on this one and the one in the jeep, I determined the drum was too far in. This also made me be concerned that the seal was riding too far up the companion yoke. So I pulled the drum again and measured the distance from the spacer to the outer rubber seal lip. It was .579". Then I measured .579" from the inner end of the splined yoke to see where the lip made contact. It was just barely on the repair sleeve. Clearly the yoke was still seating too deep.
I had another .080" thick machine bushing, so I reduced the measured position to .499" from the end of the yoke. That put the outer and inner seal lips well within the repair sleeve area. So I put this bushing in the lathe and reduced its OD to 1.5" (same as the other one). Then installed it and the drum. Much better! The seal rides in the right place and the drum no longer rubs the backing plate. So adding .160" of spacers seemed to be just right. I got an email from Novak today that they shipped the intermediate shaft - yay. I should have it in a couple days. As I was looking at the TC tonight, it dawned on me that I'll have to remove the drum and backing plate yet again to install the intermediate shaft Its all good, I'm getting a lot if experience!
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1948 CJ2A - It goes nowhere fast, but anywhere slow.
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ndnchf
Member Sponsor Member x 2 Joined: 22 Sep. 2017 Location: Virginia Status: Offline Points: 2177 |
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Ken - would you mind measuring the splined length on the two companion flanges? I'd like to confirm which I have and it would be helpful for others reading this thread in the future. Thanks
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1948 CJ2A - It goes nowhere fast, but anywhere slow.
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ndnchf
Member Sponsor Member x 2 Joined: 22 Sep. 2017 Location: Virginia Status: Offline Points: 2177 |
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Well, I thought I could get the shims in a couple days and I didn't have any suitable stock handy, so I ordered them. But today I realized they werent coming right away, so I checked the local hardware store and found these. In hindsight, I should have just done it myself in the first place. Oh well, I always seem to do things the hard way
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1948 CJ2A - It goes nowhere fast, but anywhere slow.
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oldtime
Member Joined: 12 Sep. 2009 Location: Missouri Status: Online Points: 4186 |
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Yeah I thought that you had a lathe.
I was wondering why you did not just go ahead and make a spacer instead of ordering the D20 shims.
I estimate most any spacer of reasonable thickness could be used. I could measure the exact length difference between the early and late companion flanges if it matters. It's somewhere very close to .1875"difference. |
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Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963) Zero aftermarket parts |
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