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Running without Crank Bolt - M20

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    Running without Crank Bolt - M20

    Just going over some things in my head.

    When I started getting my engine wired up, I went and tried to start it after I got the starter wired up. I cranked it over a few times, and everything sounded ok.

    Fast forward to my issues now where the car is misfiring and sounding like it's on one cylinder (cylinder 2).

    I realize now that I may have turned the engine over a few times WITHOUT the crank bolt in; the six bolts that hold the toothed wheel onto the crank were in place and everything seemed to be turning like it should. My concern is, could turning the engine over a few times without the crank bolt in mess with my timing? or cause worse damage?

    Feeling really stupid right now. Hoping I didn't screw anything up!
    clutchCTRL!
    Move with a purpose.
    - 1991 325iX 4dr/5spd
    - 1976 2002 SlickTop/2.7i M20/G260
    - 2000 323i AT
    2016 Mazda CX3 Sport AWD

    #2
    I don't think you could throw off the timing by turning over the engine sans crank bolt. The timing belt sprocket and harmonic balancer are keyed to the crank.
    The car makes it possible, but the driver makes it happen.
    Jim Levie, Huntsville, AL

    Comment


      #3
      K, that's what I figured. Thanks for the quick reply J!
      clutchCTRL!
      Move with a purpose.
      - 1991 325iX 4dr/5spd
      - 1976 2002 SlickTop/2.7i M20/G260
      - 2000 323i AT
      2016 Mazda CX3 Sport AWD

      Comment


        #4
        What jlevie said.

        And, if you had altered the timing from turning it over, it would be across all cylinders, not just one.


        Leave Me Transaction Feedback

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          #5
          Thanks for the reassurance, gents. I really appreciate it.
          clutchCTRL!
          Move with a purpose.
          - 1991 325iX 4dr/5spd
          - 1976 2002 SlickTop/2.7i M20/G260
          - 2000 323i AT
          2016 Mazda CX3 Sport AWD

          Comment

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