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14 ff pinion seal bearing preload Q

Discussion in 'The Garage' started by 86Cucvbeater, Dec 10, 2005.

  1. 86Cucvbeater

    86Cucvbeater 1/2 ton status

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    Hey I was reading old posts and saw one that said you can mess up the bearing preload when changing out the pinion seal if you dont use a new crush sleeve and nut. I changed my seal about a year ago and didn't know this. Is there some way to tell if my rear is screwed up or going to be? I used the same old crush sleeve and pinion nut.. just used a breaker bar and locktight for assembly. :doah:
     
  2. 86Cucvbeater

    86Cucvbeater 1/2 ton status

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  3. sandawgk5

    sandawgk5 3/4 ton status

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    Pull the pinion support, put it in a vice, use an inch/lbs torque wrench and check the running torque of the pinion. For new bearings it is between 25-35 in/lbs for used bearings I want to say it is 5-15 in/lbs. If it has been a year and you have no problems you are prolly good. If you only used a breaker bar unless you really put some ass into it you prolly did not change the preload. I just set up my 14FF and I had a 3/4 drive ratchet with a 3 foot cheater bar and it still kicked my ass.:D I went too far and I got the pleasure of doing it twice.


    Ira
     
  4. 78Suburban

    78Suburban 1/2 ton status

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    My leaky rearend

    [​IMG]
    Would this be a pinion seal? I think I posted up in the past, but never got a definite answer. What other seals would cause this? I was under my truck working on it yesterday and noticed that it had gotten alot worse than when I took this picture.
    Where can I buy the seal(s)? How in the world to I learn to properly change it/them? what tools are necessary?
    I'm really concerned my 14ff is gonna be toast if I don't firgure this thing out.
    Thanks,
    James:bow:
     
  5. mouse

    mouse 1/2 ton status

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    Yeah thats the pinion seal. It hides behind the steel cover.
     
  6. 78Suburban

    78Suburban 1/2 ton status

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    so how hard is it to change? what tools/ skills are involved?
    thanks,
    James
     

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