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Rookie's 67 Cj5 (re)build - Here We Go....again

Discussion in 'Builds and Fabricators Forum' started by jbrucru, Feb 17, 2012.

  1. Jan 12, 2022
    jbrucru

    jbrucru Member 2022 Sponsor

    Glasgow, KY
    Joined:
    Jun 15, 2011
    Messages:
    158
    Ugh. Tonight I tore into the transmission. I had posted a video in the tech section about the noise this was making. A lot of people commented that it wasn't too loud compared to theirs. But once I opened it up, it was ugly. The overdrive came right off without a fuss, so I was pleased with that. But the transmission is another story. There is a lot of pitting on the gears.

    IMG_5979.jpg IMG_5980.jpg

    Then I found this once I took out the cluster gear. Yup, that's light shining right through where the bolt goes. I guess it can be plugged with RTV, but I have a spare case lying around, so at least I can swap it out.

    IMG_5983.jpg

    The countershaft has some nasty pitting on it, and the input shaft where the roller bearings has pitting, as well as in input gear itself. There was only 1 clutch dog with a tab left on one side. Grrr.


    IMG_5984.JPG IMG_5986.JPG IMG_5988.JPG IMG_5989.JPG IMG_5990.JPG

    So now I'm pondering....replace everything except the sliding gear? Post a WTB in the classifieds for parts or a T90J or spend a bunch of money with Novak? I'm half way regretting digging into this.

    Last night I dropped the fenders, hood, grill, and tail gate at a friend's house who does professional body work. He's getting them media blasted, and then is going to start painting. I'm going with Empire Blue. Originally I considered pulling the tub and doing it all, but I decided I just don't want to pull the wiring harness and heater core again. The floor is solid, but the rear floor is pretty dinged up, so he's going to Raptor line the interior.

    When this is all done, it's going to look amazing. But right now, I have enough work on my hands before I can tow the body over to him.

    Next up - the transfer case....
    IMG_5991.JPG
     
    Last edited: Jan 12, 2022
    Fireball and Lilbuff63 like this.
  2. Jan 13, 2022
    jbrucru

    jbrucru Member 2022 Sponsor

    Glasgow, KY
    Joined:
    Jun 15, 2011
    Messages:
    158
    End of the night post.... I couldn't help it...I had to drive out the intermediate shaft. Surprisingly, there is no pitting, and to my eyes it looks really good. I may just reuse it.
    IMG_5992.JPG
     
    Fireball likes this.
  3. Jan 13, 2022
    jeepstar

    jeepstar Well-Known Member 2022 Sponsor 2021 Sponsor 2020 Sponsor

    Sheboygan
    Joined:
    Jun 28, 2006
    Messages:
    2,009
    of course you replace everything. you haven't come this far to stuff questionable parts back in, right?
     
    jbrucru likes this.
  4. Jan 13, 2022
    duffer

    duffer Rodent Power

    Bozeman, MT
    Joined:
    Sep 17, 2009
    Messages:
    3,344
    Yep, replace. I would be looking for an entire, complete T90. Around here, those are just worth scrap price. You would likely need to go through anything you get used but one that hasn't been lubed with water will have a lot more usable parts. Whatever you do, don't buy Omix replacement parts. I'm not too fond of Crown either but at least most of their parts actually fit. Find NOS or good used originals.
     
  5. Jan 13, 2022
    jbrucru

    jbrucru Member 2022 Sponsor

    Glasgow, KY
    Joined:
    Jun 15, 2011
    Messages:
    158
    Thanks Duffer. After looking inside the transfer case, it has the same problems. I'm considering just calling Herm and getting a rebuilt 18. It's hard to find parts locally. I think there is only one other CJ5 in town. I'd love to find a good condition T90J to drop and go, but I'll rebuild if needed.
     
  6. Jan 14, 2022
    jbrucru

    jbrucru Member 2022 Sponsor

    Glasgow, KY
    Joined:
    Jun 15, 2011
    Messages:
    158
    Ok. I bit the bullet tonight and decided that if I'm going to do all this again, at least I will do it right. That means pulling the tub so the bottom is painted too. I really didn't want to pull the wiring harness, but it wasn't as bad as I thought...just a couple hours of work.

    Also pulled the wheels to get them sandblasted and painted, and installed the new Monroe shocks I bought a few weeks ago. The tear down is coming along nicely, and I should be able to get the tub out of the garage this weekend. Then I can clean up the 305 and start figuring out where it is leaking. I'm suspecting the rear main, as there was oil in the bell housing. But starter side also had a lot of oil near the dip stick tube. Hmmm.

    Bad news is the transfer case gears are trash too, and apparently someone (me) used too long a bolt in the oil pan and cracked a piece on the inside. I'm really considering buying one of Herms rebuilt ones.

    At least this isn't my first go-around with a tub-off rebuilt. I'm a decade older...hopefully wiser :rofl:

    Needless to say...this will be garage kept from now on.

    IMG_6002.JPG


    Wiring coming out
    IMG_6004.JPG

    All gone except the temp sensor gauge and the heater...
    IMG_6007.JPG


    I also had some helpers in the garage who wanted to rebuild their Jeep too...

    IMG_5999.JPG

    Enough for tonight....
     
    Last edited: Jan 14, 2022
  7. Jan 15, 2022 at 11:27 PM
    Madeline3b

    Madeline3b Optimized for analog

    PNW
    Joined:
    Feb 19, 2021
    Messages:
    69
    So cool bud, enjoy it they grow so fast!
     
  8. Jan 17, 2022 at 12:56 AM
    jbrucru

    jbrucru Member 2022 Sponsor

    Glasgow, KY
    Joined:
    Jun 15, 2011
    Messages:
    158
    .

    Thanks! I love that they're excited about it too. My grandfather was a Dodge/Chrysler dealer in the 50's/60's, and worked as a mechanic up until his late 70's in the same old turn-of-the-century garage that belonged to his father. They were originally buggy makers. I'm certainly not a mechanic, but I'm glad I can tinker, and they can pick up some of the family heritage. My great grandfather had one of the first cars in their small town - a 1904 Oldsmobile that he bought used in 1907. That's still in the family, and still runs. Single cylinder engine with a crank on the side. It's fallen on me to keep it running, so I'm hoping to pass on the passion and knowledge to them down the line. This is my great grandfather in the drivers seat of the Oldsmobile outside their garage - probably during the rubber shortage during WW2.

    IMG_F064B24C1CEF-1.jpeg


    I pulled the intermediate gear tonight. The surface wasn't terrible, but the interior.....that's a different story. The hardened Novak shaft looked pretty good, but this explains the extremely loud whine.


    IMG_6034.JPG

    I also finished up taking everything off the body. It's completely unbolted now and ready to take for media blasting. Once it's gone, that'll give me some time to do what ever I decide to do with the transmission and transfer case, and clean up the engine and find the oil leak(s). I have the day off tomorrow, so I may tinker a bit more.

    IMG_6027.JPG
     
    Last edited: Jan 17, 2022 at 1:21 AM
  9. Jan 18, 2022 at 11:46 AM
    cj2atruck

    cj2atruck New Member

    Spokane, WA
    Joined:
    Dec 12, 2020
    Messages:
    33
    Advanced Adapter makes a taper bearing kit for the intermediate shaft. The needle bearings went south in my D18 earlier this year ruining the bearing surface of my intermediate gear, so I now have my intermediate shaft machined for the taper bearings waiting for me to get motivated to pull the D18 again and install.
     
    jbrucru likes this.
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