Waterpump pulley hitting harmonic balancer

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  • tbruz
    E30 Addict
    • Jan 2012
    • 428

    #1

    Waterpump pulley hitting harmonic balancer

    So I'm putting my motor back together from a rebuild and my wp pulley goes straight into the balancer and locks it up...I have a eta bottom end with a I head. Tried both size pulleys both hit.
    Any suggestions appreciated
  • tbruz
    E30 Addict
    • Jan 2012
    • 428

    #2
    Click image for larger version

Name:	ImageUploadedByTapatalk1345052528.259677.jpg
Views:	1
Size:	57.0 KB
ID:	7144937 This is with the smaller e pulley.

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    • e30leigh
      E30 Addict
      • Mar 2012
      • 481

      #3
      what the hell? it looks like its sitting too far down for sure. are i and e pumps different?
      Last edited by e30leigh; 08-15-2012, 02:51 PM.

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      • tbruz
        E30 Addict
        • Jan 2012
        • 428

        #4
        The one I put on looked te exact same as the one I pulled off...I'm gonna try and torque down my crank bolt a Lil more, I only need like a sliver of Clearence

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        • e30trooper
          R3V OG
          • Mar 2009
          • 11576

          #5
          ill take a pic of mine. Im running the E waterpump/pully with full I head swap. Only thing diffrent I had to do was run a belt one inch shorter.

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          • !kid
            E30 Fanatic
            • Mar 2009
            • 1362

            #6
            are you sure the crank pully is on correctly? the small dowel pin on the crank gear is going into the small hole back side of crank pully?
            :borg:

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            • e30trooper
              R3V OG
              • Mar 2009
              • 11576

              #7
              pix of mine. It clears fine but is a tight fit.



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              • tbruz
                E30 Addict
                • Jan 2012
                • 428

                #8
                Originally posted by !kid
                are you sure the crank pully is on correctly? the small dowel pin on the crank gear is going into the small hole back side of crank pully?
                Yea it's on there, I've triple checked lol...it almost has to be the crank bolt needing to go in more I'm gonna see if I can squeez it a Lil more in. Hopefully it works

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                • e30leigh
                  E30 Addict
                  • Mar 2012
                  • 481

                  #9
                  did you lube the crank pullie? also i usually tap them on gently with a leather or rubber hammer before torquing the bolts

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                  • jlevie
                    R3V OG
                    • Nov 2006
                    • 13530

                    #10
                    There is something wrong with the crank hub and harmonic balancer assembly or you have the wrong water pump.
                    The car makes it possible, but the driver makes it happen.
                    Jim Levie, Huntsville, AL

                    Comment

                    • tbruz
                      E30 Addict
                      • Jan 2012
                      • 428

                      #11
                      BMA went me the wrong water pump :/ took it off and compared to my old one and it's literally a cm longer

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