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Ross Steering Box Rebuild Kit

Discussion in 'Early CJ5 and CJ6 Tech' started by Mario Enriquez, Nov 2, 2022.

  1. Nov 2, 2022
    Mario Enriquez

    Mario Enriquez New Member

    Guatemala
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    Apr 12, 2020
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    Hello everybody,

    I'm retaking my old CJ5 project and I need to rebuild the ross steering box. I've seen some in eBay for 15/16" and 7/8" shafts.

    Where, exactly, do need to measure the sector shaft on mine, so I now which one to order?

    Yeah.. pretty basic question, I know... please be patient. :)

    Regards,
    Mario
     
  2. Nov 2, 2022
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    You measure the smooth section that sticks out of the box just before the splines start but it's probably easier just to pull the box & remove the shaft to measure it, it has to come apart anyhow.

    The thicker shafts were used on the Military M38A1 and civilian CJ5's with a factory installed V6. These boxes are a bit different from each other, if you post a good clear picture of yours we should be able to tell you what you need.
     
  3. Nov 2, 2022
    Mario Enriquez

    Mario Enriquez New Member

    Guatemala
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    Howard,

    I just took a picture following your explanation. Should I asume that need the 7/8" rebuild kit?

    [​IMG]
    regards,
    Mario
     
  4. Nov 2, 2022
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    Seems likely :)

    Show us a pic of the pins, if they're not worn you don't need a new shaft. Unfortunately the replacement units' pins aren't as hard as the originals & wear out fairly quickly.
     
  5. Nov 3, 2022
    Mario Enriquez

    Mario Enriquez New Member

    Guatemala
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    Oh, the sector shaft is very rough, I would say is done...

    [​IMG]
    [​IMG]
     
  6. Nov 3, 2022
    Oldpappy

    Oldpappy A.C. Fults - Curmudgeon at large 2022 Sponsor

    East Tennessee
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    As rough as that sector shaft is you will certainly need to replace the bushing as well. The bushings have to be pressed in and reamed to fit the shaft.
     
  7. Nov 3, 2022
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    I would say you're right :shock:

    Per Old Pappy yes replace the bushing & it will need to be opened up a bit for the sector shaft to fit- I find a brake cylinder hone works nicely.
     
  8. Nov 3, 2022
    Oldpappy

    Oldpappy A.C. Fults - Curmudgeon at large 2022 Sponsor

    East Tennessee
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    I have used a brake hone for this before and it will work.
     
  9. Nov 3, 2022
    Oldpappy

    Oldpappy A.C. Fults - Curmudgeon at large 2022 Sponsor

    East Tennessee
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  10. Nov 3, 2022
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    OH PLEASE!!! :bananatool:

    Is it just me or are the pins different sizes? Are they supposed to be like that?
    [​IMG]
     
  11. Nov 3, 2022
    Mario Enriquez

    Mario Enriquez New Member

    Guatemala
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    Oldpappy, thank you for the heads up.

    I just sent an email to www.rfjp.com for an inquiry on this kit...

    I the meanwhile I've looking at getting this one...
    [​IMG]
     
  12. Nov 3, 2022
    Mario Enriquez

    Mario Enriquez New Member

    Guatemala
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    Bummer... I just got a response from Ron and apparently these are not for sale yet.
     
  13. Nov 3, 2022
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    :(

    I have a fairly fresh sector shaft in Tonk and I added power steering that takes a lot of the strain & wear off the pins but I'd still like to have one that at least approaches the original pin quality.

    You cold get a cheap shaft now & it would be a fairly easy job to replace it if/when the improved units become available.
     
  14. Nov 3, 2022
    Mario Enriquez

    Mario Enriquez New Member

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    Thank you, I'll will follow your advice.
     
  15. Nov 3, 2022
    Oldpappy

    Oldpappy A.C. Fults - Curmudgeon at large 2022 Sponsor

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    The kit from QTM is probably of good quality, as are most of what they sell.
     
  16. Nov 3, 2022
    Mario Enriquez

    Mario Enriquez New Member

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    Thank you for the reassurance! :)
     
  17. Nov 4, 2022
    Keys5a

    Keys5a Sponsor

    Florida Keys
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    Keep in mind the Wagons/Pickups used a Ross box too, and these had longer shafts, but may be the same diameter as the CJs.
    -Donny
     
    Mario Enriquez likes this.
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