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front and rear diff lube and t-case

Discussion in 'The Garage' started by Justin Fleming, Sep 7, 2005.

  1. Justin Fleming

    Justin Fleming 1/2 ton status Premium Member

    Joined:
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    Location:
    Oxford MI
    I have an 86k5 blazer from what I read

    80/90 gear lube for the front and rear diff

    t-fluid for the transfer case

    Is t-fluid for the transfer case correct???? I have some 85 quaker state gear lube that I was wondering if i could use that to top off the diffs??


    thanks
     
  2. k20

    k20 3/4 ton status

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    Location:
    Mineral Springs, NC
    if you have the np208 t-case atf is the correct lube. I run 85w-140 in my diff's, but thats mainly cause both are a little leaky, and it leaks slower with thicker oil.
     
  3. BrianDamage

    BrianDamage 1/2 ton status

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    Location:
    Alabama
    that's what my 87 takes. tranny fluid.
     

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