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Front axle leak?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BowtieBlazer, Apr 3, 2002.

  1. BowtieBlazer

    BowtieBlazer 1/2 ton status

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    10 bolt front axle. I have a slight dribble from the rear part of the differential housing where the front driveshaft connects. Is this the crush sleeve leaking? The diff fluid is running out very slowly and then down the pumpkin and dripping to the ground. How do I fix this leak?
     
  2. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Your front pinion seal is leaking. You have to remove the nut and yoke, replace the seal, put red locktite on the pinion threads and re-install the yoke and nut.
     
  3. BowtieBlazer

    BowtieBlazer 1/2 ton status

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    will this mess with the lash in the R & P? I am hoping its as easy as taking the pinion nut off and doing it without a worry.
     
  4. mike reeh

    mike reeh 1/2 ton status

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    it can safely be done if you pay real close attention to whats going on.. first scribe a mark on the top part of the nut, then on the end of the pinion shaft, right next the the other mark you just made.. these marks should align and will tell you when to stop tightening the nut when you put it back on.. count the number of threads exposed before you take the nut off. make sure the same # is showing when you put it back on.. clean the nut and threads real well after you replace the seal and red-loctite them.. Id go 1/16th of an inch tighter when re-installing the nut, just for G.P....

    good luck its an easy fix and well worth the trouble

    mike
     

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