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10 Bolt Rear Axle Oil Change w/ Factory Limited Slip

Discussion in 'Differential & Driveline' started by 89Suburban, Feb 20, 2011.

  1. 89Suburban

    89Suburban Full Access Member

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    10 Bolt Rear Axle Oil Change w/Limited Slip

    Break the bolts loose on the cover. 1/2" socket needed.....
     

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    Last edited: Feb 20, 2011
  2. 89Suburban

    89Suburban Full Access Member

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    They were a REAL BITCH to break loose, made me wish I had my 1/2" drive set with me.

    Example of shitty Taiwanese socket that somehow found it's way onto the holy socket holder. :flipthebird:

    Had to break down and use the deep socket 6 point jawn after this broke, the 12 points weren't cutting it, just rounding it..... :flipthebird:
     

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  3. 89Suburban

    89Suburban Full Access Member

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    Orange gasket goop in the bolt holes means somebody already had cracked this egg before me. :jawdrop:
     

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  4. 89Suburban

    89Suburban Full Access Member

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    The cover was easier to pop open to drain with the RTV sealant than the gasket job on the front.... :High 5:
     

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  5. 89Suburban

    89Suburban Full Access Member

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    Kick ass L/S diffy baby, looks good!!!!!!!! :banana-mario:
     

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  6. 89Suburban

    89Suburban Full Access Member

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    Cleaned up the diff housing mating surface and cover surface.

    Also found a factory installed magnet on the cover that I took off and cleaned and reinstalled. :High 5:
     

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  7. 89Suburban

    89Suburban Full Access Member

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    RTV'd the rear cover and let sit to skin up.....
     

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  8. 89Suburban

    89Suburban Full Access Member

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    Installed and torqued down, same as the front cover, criss cross pattern, little more tourque at a time, light to heavy.....

    *Note the 2 brake line brackes that mount on the ouside of the cover.
     

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  9. 89Suburban

    89Suburban Full Access Member

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    Time to fill'r up!

    Unlike the front rear, the rear rear fill hole is not in the cover, but in a nook on the front of the axle housing on the passenger side facing towards tho wheel. You will need a 3/8" drive extension or ratchet to fit the hole perfectly and remove the plug......
     

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  10. 89Suburban

    89Suburban Full Access Member

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    I am 6' 2", 325 LB, and I could not break this fill plug. I had to make a redneck breaker bar for the ratchet handle, loose the extension, and put thE ratchet itself right in the plug. I got to give some credit to that little Craftsman 3/8" drive ratchet for the abuse, it did DAMN GOOD. :High 5:

    Once I got it broken loose, I used the extension to thread it out.....
     

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  11. 89Suburban

    89Suburban Full Access Member

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    I am dying, need sleep and rest, to be continued........
     
  12. HotRodPC

    HotRodPC Administrator Staff Member

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    You sure that's a factory limited slip??? What is your RPO code for that??? That is certainly not a G80 Eaton Gov-Lok, aka Gov Bomb cuz they are junk. That's a better set up there for sure. Maybe even an Auburn unit. Could also be an Eaton system, but its not Gov-Lok. I am thinking that was added after factory and is not OEM.
     
  13. davbell22602

    davbell22602 Full Access Member

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    Use the amsoil severe gear oil to fill it.
     
  14. Swims350

    Swims350 Full Access Member

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    did you get the numbers on the ring gear to tell you the ratio?

    good LS diff too not a gov lock from the looks of it.

    I HATE the fill plugs, they always get stuck and rounded off, dad's 84 had a bolt head plug in it now thanks to it being rounded off.
     
  15. HotRodPC

    HotRodPC Administrator Staff Member

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    Yep I seen the #'s 41-11 is 3.73. Easy to figure out. 41 / 11 = 3.727272 is 3.73.
     

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