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Axle differential lubrication question

Discussion in 'Early CJ5 and CJ6 Tech' started by Ernie, Sep 29, 2006.

  1. Sep 29, 2006
    Ernie

    Ernie New Member

    Houston, TX
    Joined:
    Sep 18, 2006
    Messages:
    5
    What kind of lubrication is supposed to be used in the front and rear differentials? Looking at the steering knuckle, I would think have the right viscosity would be critical.
     
    Ernie, Sep 29, 2006
    #1
  2. Sep 29, 2006
    Posimoto

    Posimoto Hopeless JEEP Addict

    Minden, Nevada
    Joined:
    Aug 7, 2003
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    4,539
    Do a search for "knuckle pudding"
     
    Posimoto, Sep 29, 2006
    #2
  3. Oct 1, 2006
    chicomecha

    chicomecha New Member

    Chico and...
    Joined:
    Mar 26, 2006
    Messages:
    29
    The knuckle needs thick stuff, but the diff just needs good gear oil. I use Sta-Lube Gear Oil #SL2472, GL-4/GL-5, SAE-80 plus a Lim. Slip additive if you have a limited slip.
     
    chicomecha, Oct 1, 2006
    #3
  4. Oct 2, 2006
    Chuck

    Chuck Sponsor

    Southshore Ma
    Joined:
    Sep 19, 2004
    Messages:
    1,463
    Texas, I would use 75/140, and for the steering knuckles do as Posimoto suggests.
     
    Chuck, Oct 2, 2006
    #4
  5. Oct 2, 2006
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
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    23,596
    Maybe you're thinking that the knuckle and the axle share oil? They do not - there is a seal between them.
     
    timgr, Oct 2, 2006
    #5
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