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T 90 guru needed here

Discussion in 'Early CJ5 and CJ6 Tech' started by BDL67, Jun 5, 2005.

  1. Jun 5, 2005
    BDL67

    BDL67 Brad79

    Jackman Maine
    Joined:
    Nov 25, 2004
    Messages:
    68
    I am having a really bad time rebuilding my tranny. when I
    put the syncro plates in they go in ok but when I put the cover on I can only shift
    to 1st and rev. 2nd and 3rd are jammed. and I can no longer get a neutral position
    once I try second or 3rd. I have found the syncro plates won't come out of the slots
    in the blocking rings. I am almost ready to give up but I spent money on all my
    new parts. I bought everything new except the cluster gear. And honestly I am quite
    disappointed with 4wd hardwares parts. I bought the syncro assy. and the small parts
    kit as well and the syncro plates in the small parts kit are different then the
    ones in the assy. I am wondering if this could be a result of crappy parts?oh before I forget this is a t 86 case
     
    BDL67, Jun 5, 2005
    #1
  2. Jun 6, 2005
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
    Joined:
    Sep 21, 2002
    Messages:
    12,381
    Do you mean the little things that hold the springs in when you say synchro plates? I've had to file them before to make them not hang up.
     
    Glenn, Jun 6, 2005
    #2
  3. Jun 6, 2005
    MOP

    MOP Active Member

    Pullman, WA
    Joined:
    Sep 25, 2003
    Messages:
    1,131
    They are called keys on Krage's website:

    20) Key,Synchronizer (3 Needed)
    Part#: 640395 (18880.16)
    Model: CJ (2A,3A,3B,5 &6),M38,M38A1,475 Wagon & Truck
    Year: N/A

    I noticed 2 of the 3 in my rebuild kit were ok, but the 3rd was a little too wide due to rough edges, or poor bending. I just used one of my old ones because they were in good shape. I might have a few extra's still I could send out for free. I was nervous about assembling that synchro assembly, but mine came out perfect first try.
     
    MOP, Jun 6, 2005
    #3
  4. Jun 6, 2005
    BDL67

    BDL67 Brad79

    Jackman Maine
    Joined:
    Nov 25, 2004
    Messages:
    68
    yah those are the things I am talking about I have even heard them called struts but any way you guys have no idea how much I appreciate the help I am gonna file those suckers and try it again.
     
    BDL67, Jun 6, 2005
    #4
  5. Jun 8, 2005
    BDL67

    BDL67 Brad79

    Jackman Maine
    Joined:
    Nov 25, 2004
    Messages:
    68
    well I contacted Rick stivers and he figured out it is the springs the L bend on the end is to long so I will grind it down about half
     
    BDL67, Jun 8, 2005
    #5
  6. Jun 8, 2005
    lynn

    lynn Time machine / Early CJ5 HR Rep Staff Member

    Huntingdon PA
    Joined:
    Sep 20, 2002
    Messages:
    3,437
    Glad you found the solution Brad. I've never spoken to Rick, but used his instructions on my D18 rebuild... Rick has helped many more of us than he realizes!!
    Let us know how this turns out.
    Where did you get your components?? Let us know so that others doing a T90 rebuild can watch for the same issue...
     
    lynn, Jun 8, 2005
    #6
  7. Jun 8, 2005
    Glenn

    Glenn Kinda grumpy old man Staff Member

    Apopka, Fl
    Joined:
    Sep 21, 2002
    Messages:
    12,381
    :? I don't know how he came up with that. I've been putting one end of the spring inside the little key to hold it in place and the other end is just kind of in between the spaces where it can't get in the way. I'm no expert but if the T86 synchro is like the T90 one I certainly don't agree with that solution. I know the key will stick like we discussed if it's too big.
     
    Glenn, Jun 8, 2005
    #7
  8. Jun 10, 2005
    BDL67

    BDL67 Brad79

    Jackman Maine
    Joined:
    Nov 25, 2004
    Messages:
    68
    I got my parts out of 4wd hardware and I dont recommend you do the same. The quality is poor and the specs are different. I wish I had known before, but then again maybe others have had no complaints. this is the second t 90 rebuild I have done the 1st I had no problems what so ever.
     
    BDL67, Jun 10, 2005
    #8
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