Question about 1986 Ford F 250

1 Answer

Leak in rear axle

Hi, I have a 1986 F250 3/4 ton with a 302 engine. I'm wondering how to go
about getting access to the seal which I think is the problem. The info for
the axle on the inside door is 27 thats all it says for the axle. Theres a small
tag on the rear end and the #'s are as follows...3...V1O8B and below that is
3. 731026H28 And I was going to take off the rear end cover but I didn't see
any place to put new gear oil in. Anyway, thats what I would like to find out.
Thanks in advance, Rick

Posted by on

  • 2 more comments 
  • macyaka Sep 18, 2008

    If I could unbolt the axle I would not have to make this post. I don't have 6 or 8 bolts that stick out
    from center of wheel. How do I send you a pic of my axle?


  • macyaka Sep 18, 2008

    Also, where do I put in new gear oil?

  • macyaka Sep 18, 2008

    How can I add a pic to this post?



  • macyaka Sep 18, 2008

    Thanks, I clicked on helpful for your answer but I haven't tried it yet. Sounds like it could be the answer I was looking for. I'll get back to click FixYA if it works. Thanks again triple

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1 Answer

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  • Master
  • 1,450 Answers

You will need to unbolt the axle and slide it out there should be 6 or 8 bolts on the hub that sticks out of the center of wheel. take this out and there is a spanner nut inside you will need to bend back locking tab and unscreww nut and drum and hub will slide off you will see seal inside hub

Posted on Sep 18, 2008

  • TripleTauto
    TripleTauto Sep 18, 2008

    SORRY there is different axle options on these trucks




    1. Raise and support vehicle, then remove rear wheel and brake drum.
    2. Loosen rear housing cover screws and allow lubricant to drain, then remove cover.
    3. Remove differential pinion shaft lock bolt and differential pinion shaft.
    4. Move flanged end of axle shaft inward and remove C-lock from end of shaft.
    5. Remove axle shaft from housing by pulling outward.
    6. Reverse procedure to install. Apply Loctite EOAZ-19554-B to pinion shaft lock bolt threads, then torque lock bolt to 15-30 ft. lbs.

    there should be a plug on the side of differential a 3/8 ratchet and extension will fit in it i think it is on right side behind pinion

  • TripleTauto
    TripleTauto Sep 18, 2008

    no problem good luck. be sure to check your axle for a groove where the seal rides as this can cause a leak even with new seal

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