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REAR DIFF FLUID

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by zrobbinsk5, Jan 13, 2001.

  1. zrobbinsk5

    zrobbinsk5 Registered Member

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    How much gear oil is the rear 10-bolt going to hold?, I'm attempting to fix a leak with black permatex.

    1983 K5, 4" Superlift, 33" M/T's, New 350, TH350[​IMG]
     
  2. stimpy

    stimpy Registered Member

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    Hey,
    I was always told just to fill it up till it started coming out the filler hole.

    Todd

    love my blazer, and 43 Dodge Carryall
    IF IT'S SNOWING AND IT'S DEEP. I'LL BE OUT IN IT!!!!!!
     
  3. JimmyDie6.2

    JimmyDie6.2 1/2 ton status

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    If the rear is leaking from the cover, I would take off the cover completely, use a fresh gasket and sealer. If its leaking from a seal, my suggestion would be to change the seal. I thing the 10-bolt takes 3.5 quarts. What you can do is either ask the parts store that sells you the oil to look up the capacity the rear takes, or when your filling the rear keep going until it starts to drip out of the filling hole. If you put about 6 inches of 3/8 fuel hose over the filler tube opening on the bottle, it will fill the rear easier It is 80w 140 weight gear oil by the way,(for my 83 jim). ..................js ps. I'm an addict now, Oh boy
     
  4. 90K5

    90K5 1/2 ton status

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    My front and rear each held 2.5 qts.

    90K5

    See my truck at <A target="_blank" HREF=http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502>http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502</A>
     
  5. BlazerGuy

    BlazerGuy 3/4 ton status

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    Mine takes 2 1/2 also.....

    [​IMG]
    <pre>It's not broken, it's just being maintained</pre>

    [​IMG]
     
  6. 90K5

    90K5 1/2 ton status

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    You may want to get a pump for the oil. That makes it a lot easier, they are about $6. They are very useful for filling diffs, transfer cases, ans maual trans.

    90K5

    See my truck at <A target="_blank" HREF=http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502>http://albums.photopoint.com/j/Albumindex?u=1329584&a=9886502</A>
     
  7. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    90k5 i will second that well worth the 6.99 4 me

    s.smith 77blazer lookin 4 mud
     

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