Crankshaft removal

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  • akinswonder
    Advanced Member
    • Nov 2009
    • 177

    #1

    Crankshaft removal

    Hey guys. I just pulled my crankshaft from my m20b25. And now I am having a problem removing the plate from the front of the crank. Does any1 have an idea on how to remove it. I know that I have to remove the crank bolt w/ a 32mm socket but I don't know what to do after that, thanx for all advice in adnvance.
  • Sirotto
    Grease Monkey
    • Jul 2007
    • 317

    #2
    Ya put the crank back in teh block and set the block onthe ground. Get 2 four foot cheater bars, a couple of buddies and a lot lot lot of beer. They are put on with some 300 plus lbs or tourque from the factory. You will need 1k plus to remove it. beer is replinish the sweat.
    "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." - Winston Churchill

    "People sleep peacefully in their beds at night only because rough men stand ready to do violence on their behalf" -George Orwell

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    • akinswonder
      Advanced Member
      • Nov 2009
      • 177

      #3
      Wow, thanks.

      Comment

      • scottinAZ
        E30 Fanatic
        • Dec 2009
        • 1312

        #4
        another option would be to get a ballsy impact wrench and use that. probably easier and less frustration than the other option
        I saved 15% on my Bimmer parts by switching to ...



        Comment

        • nando
          Moderator
          • Nov 2003
          • 34827

          #5
          I only needed my friend to stand on the engine stand so it wouldn't tip over. a 2x4 wedged in the crank and some leverage worked for me. I had to break 3 of those things free in a row..
          Build thread

          Bimmerlabs

          Comment

          • Sirotto
            Grease Monkey
            • Jul 2007
            • 317

            #6
            Originally posted by scottinAZ
            another option would be to get a ballsy impact wrench and use that. probably easier and less frustration than the other option

            The only issue is to find a "ballsy impact" that is under $500.00. But yes air is your friend.
            "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." - Winston Churchill

            "People sleep peacefully in their beds at night only because rough men stand ready to do violence on their behalf" -George Orwell

            Comment

            • E30_fiend
              R3V OG
              • Apr 2006
              • 7348

              #7
              Originally posted by sir otto
              The only issue is to find a "ballsy impact" that is under $500.00. But yes air is your friend.
              Harbor Freight has a pretty ballsy one for like $100 called the central pneumatic EARTHQUAKE. That was my first gun I ever bought. Ive since upgrade to the new Snap-On 1/2" gun in grabber green. That fucker has some torque. Oh and by the way, it was only $380.




              Taylor
              Need a performance chip for you BMW? Shoot me a PM and I'll get you taken care of!!
              Taylor- Follow me on Instagram @e30_fiend


              Comment

              • r0meyrome
                Wrencher
                • Jul 2009
                • 218

                #8
                I used my buddy cordless snap on one the newest one...it took off no problem...

                Comment

                • scottinAZ
                  E30 Fanatic
                  • Dec 2009
                  • 1312

                  #9
                  Originally posted by sir otto
                  The only issue is to find a "ballsy impact" that is under $500.00. But yes air is your friend.

                  Ingersoll Rand 2130 would fit the bill nicely. 600+ ft/lbs of torque (in reverse, 450 in forward) I have never found the nut that it wouldnt remove. I have even removed cross threaded axle nuts before with this thing. Normally goes for about $150-$200 bucks or so.
                  I saved 15% on my Bimmer parts by switching to ...



                  Comment

                  • Sirotto
                    Grease Monkey
                    • Jul 2007
                    • 317

                    #10
                    I have an IR 850lb and Snapon 900lb and a matco 750lb. none of them will take the crank nut off. I would like to see a cordless remove a crank nut, im sorry but I would have to see it to believe it. We are talking crank nut, not to be mistaken for the crank pully/balancer bolts correct.
                    "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." - Winston Churchill

                    "People sleep peacefully in their beds at night only because rough men stand ready to do violence on their behalf" -George Orwell

                    Comment

                    • Sirotto
                      Grease Monkey
                      • Jul 2007
                      • 317

                      #11
                      Originally posted by E30_fiend
                      Harbor Freight has a pretty ballsy one for like $100 called the central pneumatic EARTHQUAKE. That was my first gun I ever bought. Ive since upgrade to the new Snap-On 1/2" gun in grabber green. That fucker has some torque. Oh and by the way, it was only $380.




                      Taylor

                      have you used it on a crank nut? Just wondering, not doubting.
                      "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." - Winston Churchill

                      "People sleep peacefully in their beds at night only because rough men stand ready to do violence on their behalf" -George Orwell

                      Comment

                      • r0meyrome
                        Wrencher
                        • Jul 2009
                        • 218

                        #12
                        yes the crank nut/bolt that goes through the crankshaft.

                        Comment

                        • Sirotto
                          Grease Monkey
                          • Jul 2007
                          • 317

                          #13
                          I stand corrected, just undid a crank nut with my IR 800. This was a first for me.
                          "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." - Winston Churchill

                          "People sleep peacefully in their beds at night only because rough men stand ready to do violence on their behalf" -George Orwell

                          Comment

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