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C-15 CAT ROCKER ARM INTERCHANGE ? ?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by SWMO_Transport, Sep 10, 2019.

  1. Sep 10, 2019 #1
    SWMO_Transport

    SWMO_Transport Bobtail Member

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    35
    Feb 11, 2018
    0
    I've got a 6NZ cat that I am currently overhauling. I had to replace the cam due to roller failure on one of my rockers. I am now searching for the most practical way to replace my rollers. Either replacing just the rollers and bushings which can be ordered off of Highway and Heavy parts or trying to find good used rocker assemblies with shafts and all. Anybody have any experience dealing with this? How about interchange issues with rocker assemblies? Can later model shafts and rockers be used, etc? Thanks in advance for any wisdom you can share.
     
    SWMO_Transport, Sep 10, 2019
    SWMO_Transport, Sep 10, 2019
    #1
    Oxbow Thanks this.
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  3. Sep 11, 2019 #1
    Freddy2times

    Freddy2times Light Load Member

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    Feb 12, 2019
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    You really should just fork out for some new ones. Sucks I know but will save you in the long run. Those components have spec ranges before they need to be replaced. Rocker cam run-out etc.
    Out of spec and they will fail.
     
    Freddy2times, Sep 11, 2019
    Freddy2times, Sep 11, 2019
    #1
    pushbroom and swaan Thank this.
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  5. Sep 21, 2019 #2
    SWMO_Transport

    SWMO_Transport Bobtail Member

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    Feb 11, 2018
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    Thanks for the input guys. I got a little deeper into my rocker arm problem and found my shafts to be nearly perfect and only 4 rollers were pitted out (1 was ruined). I hope I dont regret my decision but I ended up replacing the rollers on the 4 bad ones. I got the parts off HHP and the pressing the roller bushings out/in was no problem. Should have it running soon I'll let yall know.
     
    SWMO_Transport, Sep 21, 2019
    SWMO_Transport, Sep 21, 2019
    #2
    swaan Thanks this.
  6. May 24, 2021 #4
    SWMO_Transport

    SWMO_Transport Bobtail Member

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    Feb 11, 2018
    0
    IN case anyone cares..... Ive got 100k miles on it now with no problems from the rebuilt rockers
     
    SWMO_Transport, May 24, 2021
    SWMO_Transport, May 24, 2021
    #4
    Sixamskier, jbt68, swaan and 1 other person Thank this.
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