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WellFedHobo's '48 CJ2A project (#158011)

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WellFedHobo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 03 Mar. 2022 at 8:46pm
Thanks for the subscription. I think I'm months away from the test drive, though :/

Transmission parts arriving soon. Unfortunately I wasn't careful and launched a poppet ball and spring into orbit so I have to wait on the shift tower reassembly while I order those too. (I know they're out there in the front yard or street somewhere but without a metal detector, I doubt I'll ever find them.)
Brad
1948 CJ2A #158011 "Sunk Cost Fallacy"
1945 T3-C #1431
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bill2A Quote  Post ReplyReply Direct Link To This Post Posted: 04 Mar. 2022 at 6:47pm
You might get lucky with a magnet.
They do have a pretty good range.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 04 Mar. 2022 at 8:15pm
I actually found the spring today! It was broken so technically I found 3/4ths of the spring. Replacements are ordered. I have the shift tower down this far. Might as well replace both springs and poppet balls while I'm at it.

Got the shifter and shift tower cover sandblasted. Got a bit of grit on the inside so I've gotta deep clean it before paint and reassembly. 

The rest of the transmission parts are in so I've got everything but the springs and poppet balls.



Edited by WellFedHobo - 04 Mar. 2022 at 8:50pm
Brad
1948 CJ2A #158011 "Sunk Cost Fallacy"
1945 T3-C #1431
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TMRoper Quote  Post ReplyReply Direct Link To This Post Posted: 05 Mar. 2022 at 7:50am
Who did you get your transmission parts from? I've got to do a m38.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 05 Mar. 2022 at 9:10am
I got them from Kaiser Willys but there are many places. KW is kinda the Amazon of Jeep parts. They've got what you're looking for but some of it is Chinese made.
Brad
1948 CJ2A #158011 "Sunk Cost Fallacy"
1945 T3-C #1431
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 06 Mar. 2022 at 1:47pm
The transmission case is out of the blasting cabinet and painted with engine enamel. 






The paint needs to cure for a week but I think I can do some dry fitting to make sure the new parts will work. All the main parts are here and ready to start fitting. 

I do have a tech question for anyone who might read this. What kind of fit is the rear bearing retainer and the spacer ring supposed to have? My spacer ring is a little rusty and pitted so there's quite a bit of play.
Brad
1948 CJ2A #158011 "Sunk Cost Fallacy"
1945 T3-C #1431
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 13 Mar. 2022 at 7:30pm
I wanted to start assembling the T90 this weekend but I got stopped by bad parts and damaged parts.

The blocking rings from the new synchronizer assembly came out of the bag looking like this:



I can only assume that whatever oil was used to coat the parts before being bagged and shipped to the supplier was not yellow metal safe. 

I started looking closer at my latest parts order and found all sorts of dented and chipped teeth on my brand new cluster gear.





I'm a bit grumpy because it's shipping damage and there's always a risk. But I can't decide if I should just get a file and start dressing the teeth up, or send it back and hope they wrap the next one up better.
Brad
1948 CJ2A #158011 "Sunk Cost Fallacy"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Flatfender Ben Quote  Post ReplyReply Direct Link To This Post Posted: 13 Mar. 2022 at 9:18pm
Oh wow what a bummer!!!
I wouldn’t install that…the whole point of all that work is for it to be as good as possible.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dasvis Quote  Post ReplyReply Direct Link To This Post Posted: 14 Mar. 2022 at 12:18am
Originally posted by WellFedHobo WellFedHobo wrote:

I wanted to start assembling the T90 this weekend but I got stopped by bad parts and damaged parts.

 OMIX ADA ?
1947 CJ2A #88659 "Rat Patrol"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bruce W Quote  Post ReplyReply Direct Link To This Post Posted: 14 Mar. 2022 at 12:31am
  A gear that dents? Can you say “soft?” Ssaw-awfft. Saawwft. Soft. 
BW   (Me like cookies)
It is NOT a Jeep Willys! It is a Willys jeep.

Happy Trails! Good-bye, Good Luck, and May the Good Lord Take a Likin' to You!

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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 14 Mar. 2022 at 9:49am
Originally posted by dasvis dasvis wrote:

 OMIX ADA ?

No idea, whatever Kaiser Willys stocks.
Brad
1948 CJ2A #158011 "Sunk Cost Fallacy"
1945 T3-C #1431
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SE Kansas 46 CJ-2A Quote  Post ReplyReply Direct Link To This Post Posted: 14 Mar. 2022 at 11:06am
No heat treat on the gear. If anything, the gear should have been hard enough to chip rather than dent.

Better try a different source because a "trade" for a different gear will only get you one with the same problems.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 14 Mar. 2022 at 11:58am
Originally posted by SE Kansas 46 CJ-2A SE Kansas 46 CJ-2A wrote:

No heat treat on the gear. If anything, the gear should have been hard enough to chip rather than dent.

Better try a different source because a "trade" for a different gear will only get you one with the same problems.

Oh wow, I didn't even think about that. It's definitely a bad/uneven heat treat because some teeth chipped and others dented. I'm waiting to hear back from them to see what they want to do. I probably should opt for a refund and find a different supplier... 
Brad
1948 CJ2A #158011 "Sunk Cost Fallacy"
1945 T3-C #1431
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 24 Mar. 2022 at 7:53pm
I just can't win on parts lately. So the first cluster gear was damaged in shipping and the blocking rings were destroyed by a non-yellow metal safe oil by the manufacturer. (Probably Omix-ADA.) The replacement cluster gear is here and it looks fine but in shipping, it smashed one of the replacement blocking rings. So I'm waiting on another replacement.

I've decided to go ahead and try the Omix-ADA cluster gear so I'll be the guinea pig for you guys. Maybe in the long run I'll regret it. Maybe it'll be fine. 
Brad
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr. 2022 at 10:06pm
Well, the rebuild is complete but I'm left with a final question. There's a bit of a gap at the end of the main shaft to where the bearing retainer plate and bearing don't all fit tightly against the back of the case. Here's a quick video that explains it better. Any ideas on if this is a problem or not?


Brad
1948 CJ2A #158011 "Sunk Cost Fallacy"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr. 2022 at 5:23pm
For what its worth, I believe the issue is the new input shaft/main gear. In the video you can see that there's a significant gap between the main gear and the synchronizer blocking ring. The surface that the synchronizer ring rides on is noticeably thicker than the one that came out, even when you factor in possibly 80K miles of use if was original. When I put the new blocking ring on the old main gear, or the old blocking ring on the new main gear, the gap is much smaller and could easily take up 1/16th out of the gap at the end, possibly leaving enough for the end play to be in spec.

I didn't reuse the original main gear because the inner pilot bearing surface was brinelled and there was rust and pitting on the gear teeth from sitting for 30 years. I may have to hunt for a NOS one... Omix-ADA strikes again.
Brad
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Post Options Post Options   Thanks (1) Thanks(1)   Quote jhg Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr. 2022 at 8:12pm
Debella jeep parts. NOS main gear shafts, synchros etc
1948 cj2a. Rebuilt L-head, steering, T90, WO 636, steering, brake lines. So far.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WellFedHobo Quote  Post ReplyReply Direct Link To This Post Posted: 08 May 2022 at 1:34pm
Finally got the transfer case disassembled. It only took an afternoon. Not sure why I waited so long to dig into it. 



Got a lot to clean up...



I'm a bit concerned with the rust on the intermediate gear. I doubt that's in a place it'll just "buff out".


Here's the full teardown video if anyone's interested in seeing a visual of the overall condition.


Looks like I've got a lot of sand blasting in my future.
Brad
1948 CJ2A #158011 "Sunk Cost Fallacy"
1945 T3-C #1431
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