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Thread: Need help with pinion seal replacement

  1. #1
    Club Supporter Old Fart's Avatar
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    Need help with pinion seal replacement

    Everything is going fine except when I measured the rotational force on the pinion nut, I get 2-3 ft.lbs. Seems really loose. The Ford manual does not say which ft. lb is correct. From the forums articles I read, seems that 15-25 ft.lbs should be the numbers I should get. I also counted the exposed threads.

    When I re-install, should I torque it to get 2-3 ft. lbs or tighten to get 15-25 ft.lbs?
    Mike

    04 GT
    89 LX...bye-bye!!
    67 Cougar x 2...should have kept them!

  2. #2
    Member 98 Snake's Avatar
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    Rotational torque is measured in inch pounds not foot pounds , you will need a dial type torque wrench, 25-30 inch pounds is acceptable, easiest way to do it is mark the pinion nut before removal then tighten to the same spot
    Have done hundreds this way without issue

  3. #3
    Club Supporter Old Fart's Avatar
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    Need help with pinion seal replacement

    Oops...I meant in.lbs, sorry. So do I torque it to 25-30 in.lbs?


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    Mike

    04 GT
    89 LX...bye-bye!!
    67 Cougar x 2...should have kept them!

  4. #4
    Member bbriann's Avatar
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    Just keep in mind 1 degree tighter on nut rotation the inch pound torque reading goes way up fast when near set point.

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  5. #5
    Club Supporter Scott's Avatar
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    When I built my diff I used this torque wrench, as I recall it was for bike spokes or something.



    Built not bought! Follow this link to my 08 GT/CS Air Lift Performance Suspension Install Thread or this link to my Garage Thread

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  6. #6
    Club Supporter Old Fart's Avatar
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    ^^^That's the type I used. I finally just decided to tighten as initially measured at 2-3 in.lbs.
    Mike

    04 GT
    89 LX...bye-bye!!
    67 Cougar x 2...should have kept them!

  7. #7
    Member 1986stangfan's Avatar
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    I always set my 8.8” at 18in:lb rotational drag. I have never had any issues


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  8. #8
    Admin ZR's Avatar
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    For me, depends on new or used bearings.

  9. #9
    Member 1986stangfan's Avatar
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    Quote Originally Posted by ZR View Post
    For me, depends on new or used bearings.
    I should have clarified, this is always with new bearings and gear sets.


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  10. #10
    Admin ZR's Avatar
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    We snug up to 25 maybe a hair more on new
    On used stay in the 15ish range.

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