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Ps Belt

Discussion in 'Early CJ5 and CJ6 Tech' started by colojeepguy, Jan 16, 2022.

  1. Jan 16, 2022
    colojeepguy

    colojeepguy Colorado Springs

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    Anyone have a belt part number for a 225 with the high mount pump?
    20220116_101239.jpg
     
  2. Jan 16, 2022
    cayenne

    cayenne Member

    central Texas
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    Dec 24, 2006
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    Belt (steering)

    50.5"

    Gates 25-7500 Napa
    But I would would buy one size bigger and smaller too and return them…it took a lot of guessing and checking.
     
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  3. Jan 16, 2022
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor 2021 Sponsor 2020 Sponsor

    Medford Mass USA
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    Use a piece of rope and measure it. Easy. Any parts person that's not completely clueless can sell you a belt by length.
     
  4. Jan 16, 2022
    oldtime

    oldtime oldtime

    St. Charles,...
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    The Gates 7500 is the absolute shortest belt you can run on a 225 with factory high mount.
    If I recall you can go longer up to around 2-1/2” more inches. Perhaps as long as the 7525.
    See: https://www.gates.com/us/en/power-transmission/v-belts/automotive-v-belts.html
    I’m running the 7500 on mine with standard diameter pulleys.
    A half inch wide tape measure gives very near the exact OAL as compared to the Gates chart.
     
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  5. Jan 17, 2022
    colojeepguy

    colojeepguy Colorado Springs

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    Got a Gates 7500, and it's the perfect length.
    But, my PS doesn't work!
    The pump is spinning and it's full of fluid but there's no power assist :banghead:
    I thought this was going to be a quick and easy project but it's been nothing but problems...
     
  6. Jan 17, 2022
    txtoller

    txtoller Member 2022 Sponsor 2021 Sponsor 2020 Sponsor

    Weatherford, TX
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    Have you bled the system?
     
  7. Jan 17, 2022
    colojeepguy

    colojeepguy Colorado Springs

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    I jacked up the front and turned the steering lock to lock with the engine running probably a dozen times.
     
  8. Jan 17, 2022
    timsresort

    timsresort Member 2022 Sponsor 2021 Sponsor

    South Lake Tahoe CA
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    You actually want to do it without engine running. I did it at least 30 times on mine until air stopped burping out of the reservoir. Then run it for 2 seconds, repeat lock to lock until no new air.
     
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  9. Jan 17, 2022
    Lockman

    Lockman OK.....Now I Get It . 2022 Sponsor 2021 Sponsor 2020 Sponsor

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    How the Hell do you propose to bleed a PS reservoir With the engine Off ?????? :study:
     
  10. Jan 17, 2022
    vtxtasy

    vtxtasy oldbee

    Tucson, AZ
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    Been there. You are forcing the gearbox to act as pump to get the air out. Also, helps to disconnect your drag link to get full lock to lock travel on the gearbox. Mine is about 4 turns disconnected and 2 when connected.
     
  11. Jan 17, 2022
    timsresort

    timsresort Member 2022 Sponsor 2021 Sponsor

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    I
    Instructions from West Texas Off Road, (vendor for Saginaw boxes and ram assists): Cycle the gear back and forth without engine running until air stops burping out of the reservoir. Frequently check level, and top off. Once it has stopped burping, run the engine very briefly, top off again, and cycle again until it burps no more and stops taking more fluid. repeat as necessary. Worked great for me without foaming the fluid.
     
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  12. Jan 17, 2022
    jeep peep69

    jeep peep69 Member 2021 Sponsor

    redding ca.
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    Easy turn the wheel lock to lock till no more air bubbles. That’s how we do it on class 8 trucks it makes your for arms look like Popeyes. Any more stupid remarks ?
     
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  13. Jan 17, 2022
    jeep peep69

    jeep peep69 Member 2021 Sponsor

    redding ca.
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    Did the belt come off or get burned ? It may be the pump seized and sheared the shaft and isn't pumping . Did you just replace the pump or install it. Was this a sudden thing that just happened?
     
  14. Jan 18, 2022
    colojeepguy

    colojeepguy Colorado Springs

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    I just installed the PS setup. Pump isn't seized. Pump & gearbox are both used parts of unknown history.
     
  15. Jan 18, 2022
    jeep peep69

    jeep peep69 Member 2021 Sponsor

    redding ca.
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    Ok just trying to get an idea of what you got going. It is more than likely air in the system try bleeding it like Tim said also some gearboxes have a bleeder screw on them it looks like a pipe plug where the hoses hook to it if equipped with on take it out and cycle the wheel till fluid runs out with engine off.
     
  16. Jan 23, 2022
    colojeepguy

    colojeepguy Colorado Springs

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    Success! Had to put a different PS pump on it, now it works good...maybe TOO good! The steering is very light and very quick, it's going to take some getting used to.

    20220123_153928.jpg
    20220123_153940.jpg
     
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  17. Jan 23, 2022
    homersdog

    homersdog Tulsa, Ok 2022 Sponsor 2021 Sponsor 2020 Sponsor

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    It does take getting used to. Mine is 3.5 turns Lock to lock, it is quick. Don't sneeze while driving on the highway.
     
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  18. Jan 23, 2022
    Steve's 70-5

    Steve's 70-5 Active Member 2020 Sponsor

    Louisville, Ky
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    Mine is quick too and I got a 13 inch steering wheel. Do not see drive fast at this time.
     
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  19. Jan 24, 2022
    Fireball

    Fireball Well-Known Member 2022 Sponsor 2021 Sponsor 2020 Sponsor

    Pullman, WA
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    Me too. The Saginaw steering on the '71 is touchy. I haven't bothered to figure out the ratio but if a slower one is available I'll probbaly swap to it some day.
     
  20. Jan 24, 2022
    Wmi68CJ5

    Wmi68CJ5 Let the Sun Shine! 2020 Sponsor

    Twin Lake MI
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    Mine is a tad touchy also. I attributed it to the longer pitman arm I am using(stock 72 manual arm) but maybe its just what everyone else is experiencing
     
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