Cant get crankshaft pulley bolt to break!? - FirebirdV6.com/CamaroV6.com Message Board

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Cant get crankshaft pulley bolt to break!?

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  • Cant get crankshaft pulley bolt to break!?

    I have another thread about my engine rebuild but I figured I should start a seperate one for this.

    I got my engine/tranny pulled tonight, seperated them, and forgot that I should've broke the crank pulley bolt loose with it in the car and in gear etc etc.

    Anyways, so the engine is sitting on the engine lift, on the floor. I cant get it to break loose!

    I tried jamming wrenches, extensions, etc in the flywheel and having a buddy turn the bolt with me standing on the engine to keep it from moving but sh!t the damn thing wont stay still! I havent bought the longer bolts to mount it on the engine stand yet...not 24 hour parts stores down here period. :(

    Sooo. anyone got any ideas on how I can break this thing loose sitting here? Im thinking once I get it on the engine stand it MIGHT be easier, since the engine will be more stable.

    Any suggestions on what to jam into the flywheel to keep the crank from turning while trying to break the blt loose? I am at a loss here and am not sure I will even be able to break it once it's on the engine stand....

    I bought a big *** break bar and the correct socket tonight, it seems to flex a tad but not much. If I could get the engine to stay still I might be able to slide a pipe over the breaker bar to break it loose like that. I did that on my LS1 Camaro and it worked nicely.

    Suggestions?

    Thanks guys, I will be glad to get that off so I can tear down the engine and figure out why it blew.
    99 Z28 M6...91 Z28 A4...84 Z28 A4

  • #2
    Re: Cant get crankshaft pulley bolt to break!?

    Did you try and impact gun?
    69 Camaro 350 4spd, Full Hotchkis susp, Baer brakes, moser 12 bolt, Flowmaster<br /><br />96 RS Hotchkis STB, subframe connectors, Hotchkis LCA and adj Panhard rod, SS camaro sway bars, Bilstein shocks, powerslot rotors, Borla exhaust, rksport headers, k@nFIPK

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    • #3
      Re: Cant get crankshaft pulley bolt to break!?

      The warehouse my car is in has a compressor set at 120psi and it wouldnt break that bolt loose. I had to drive a service truck over there with a 150psi compressor and used a 1" impact on it. If I were you I would load the block in a pickup and drive to a local garage and see if they are nice enough to put an impact to it. Otherwise it will be next to impossible to hold the flywheel still while using a wrench.

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      • #4
        Re: Cant get crankshaft pulley bolt to break!?

        i had the same problem. I went and bought a nice thick guage flat steel plate at home depot. I drilled one hole so i could bolt it the center of the motor, then drilled another hole in it so i could bolt it where the trann bolts up. this held it inplace while i used a breaker bar on the front.

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        • #5
          Re: Cant get crankshaft pulley bolt to break!?

          get a longer breaker bar

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          • #6
            Re: Cant get crankshaft pulley bolt to break!?

            hahahah stupid 3.8, it's torqued at like 400 ft lbs ahahahahha :)




            yeah, def. try air tools.

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            • #7
              Re: Cant get crankshaft pulley bolt to break!?

              lol got the motor on the engine stand..theres a perfect size hole in the perfect spot on the flywheel to insert a socket to jam the crank.

              same breaker bar and 5 minutes of pounding on the bolt to free it up later got it off ;)

              thanks though guys
              99 Z28 M6...91 Z28 A4...84 Z28 A4

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