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transmission/t-case Lubrication

Discussion in 'Early CJ5 and CJ6 Tech' started by fatty, Jun 5, 2007.

  1. fatty

    fatty New Member

    I changed out my gear oil in my trany and t-case this weekend to 85-140 and now my transmission doesn't want to shift into fourth...it grinds. Also, my overdrive doesn't shift freely either. Would heavier oil cause this problem? Thanks.
     
    fatty, Jun 5, 2007
    #1
  2. nickmil

    nickmil In mothballs.

    Yes. Synthetics can cause similar issue also. Use regular old 85/90 dinosaur oil. Nickmil
     
    nickmil, Jun 5, 2007
    #2
  3. fatty

    fatty New Member

    Thanks Nick!
     
    fatty, Jun 5, 2007
    #3