5ek broken crank

Discussion in 'Trucks [ Eighteen Wheelers ]' started by speedyc-16, Jan 14, 2010.

  1. speedyc-16

    speedyc-16 Light Load Member

    92
    6
    Sep 6, 2009
    ice box,idaho
    0
    I have 5ek 550,crank broke on back side of #6 rod journal,crank #4p-9121,what other cranks will work ,any help would be highly appreciated.
     
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  3. swaan

    swaan Road Train Member

    2,942
    4,374
    Jul 12, 2009
    BC canada
    0
    I don,t have any part #s for ya but i think any crank from 5ek all the way upto 1lw would work, as long as its still a 40 pin ecm (single timming sensor). Did the engine give you any warnings before it broke??? Was it runnin weird or viberations?
     
    Oxbow Thanks this.
  4. Jas

    Jas Medium Load Member

    You can use any C15 crank up to 6NZ but on the later cranks the gear is different and you have to swap it over. Not sure about bridge or acert cranks.
     
    Oxbow and speedyc-16 Thank this.
  5. 1989 Pete

    1989 Pete "Pine Tree Eater"

    Ouch.How did it happen...Sounds very expensive!!!
     
  6. speedyc-16

    speedyc-16 Light Load Member

    92
    6
    Sep 6, 2009
    ice box,idaho
    0
    I was getting a slite vibraition in the gearshift, thinking I was having tranny proublems ,about 500 miles later it let go, vibrated,rattled baddddddddddddd
     
  7. Longhood379

    Longhood379 Medium Load Member

    389
    125
    Nov 30, 2009
    Cremona AB
    0
    And the harmonic damper was changed every 500,000 miles ????
     
    Oxbow Thanks this.
  8. speedyc-16

    speedyc-16 Light Load Member

    92
    6
    Sep 6, 2009
    ice box,idaho
    0
    I seen on pit pow site were you should replace damper also they have that balancer ring that goes behind the damper.I`m guessing the damper was never replaced
     
  9. speedyc-16

    speedyc-16 Light Load Member

    92
    6
    Sep 6, 2009
    ice box,idaho
    0
    Thanks for your in put ,is there any one crank better than the other
     
  10. speedyc-16

    speedyc-16 Light Load Member

    92
    6
    Sep 6, 2009
    ice box,idaho
    0
    Thanks for your input guys, is there any one crank better than the other
     
  11. DDS

    DDS Medium Load Member

    519
    177
    May 20, 2008
    Toronto
    0
    Say away from 1LW 1 to 33000 serials, they had problems with crank failures. Try to find a 5EK or 6TS, should not have a problem.
     
    Oxbow and speedyc-16 Thank this.
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