Stuck shackle bolt - any tips?

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  • JP
    • Apr 18, 2024

    Stuck shackle bolt - any tips?

    I'm putting on a BJ's lift - awesome product, great service, thanks Brent! - anyway, the driver side bottom rear shackle bolt is completely rusted to the bushing. I've been hitting it with PB Blaster for a week before starting. I've tried heat (MAPP). It moved about 3/16" inch and now I can't even get it back where it started. It appears that I can't even cut the bolt out because of the bracket it's in. The good news is the captive nut didn't break when I pulled that bolt so I'm considering myself fortunate [img]smile.gif[/img]

    Anyway, besides PB and heat any tricks I'm missing? It's too bad I can't just remove the top bolt as it's loose as a goose...
  • Tad
    • Nov 30, 2001
    • 17618

    #2
    Ok, JP, as I understand this it's the rear bolt, left (drivers side) at the box in the back?
    I suggest (you may have tried this) a big pair of vise grips locked on tight and a pry bar.
    I assume the nut came off and it's frozen in the bushing?
    If it will move back and forth, then it will come out eventually.
    Beat it back and forth, in and out, keep soaking and prying.
    Loosen up that crud in there enough and it will come out.
    2000 Infinity QX4, 3.3L, MPFI, 4 speed auto, 2 speed Nissan tcase, Unibody, IFS front, 4 link rear solid axle with 255-70/16s

    IFSJA WMS PROJECT
    EARLY WAG LIFT SEARCH

    ...Pay no attention to these heathen barbarians with their cutting torches and 8" lift kits!...
    Self Inflicted Flesh Wound

    Comment

    • Bandit-CO-

      #3
      I had the same problem on my J20. I just kept hammering, prying and PB Blasting. It took a couple of days but it finally came out.

      Comment


      • #4
        That is the bolt in question. I hit it with PB again this morning. I guess I know what I'll be doing today! Thanks guys.

        Comment

        • mudslider
          304 AMC
          • Sep 26, 2004
          • 2484

          #5
          i agree with turning and tapping at the same time if you can.
          P.J
          Stupidity rules at all times! Famous last words "Hey, watch this" Its 5:00 Somewhere. 1983 J10 In process: 360 ci install

          Comment

          • Tad
            • Nov 30, 2001
            • 17618

            #6
            Well, we did beloth's this morning here.
            The front, so this is not really applicable.
            Right side took a sawzall to get off, got lucky on the left.
            Cut the right bushing bolt on each side, dropped out like a baby (not sure how that works for your rear box hanger).
            It's a tough cut to say the least.
            2000 Infinity QX4, 3.3L, MPFI, 4 speed auto, 2 speed Nissan tcase, Unibody, IFS front, 4 link rear solid axle with 255-70/16s

            IFSJA WMS PROJECT
            EARLY WAG LIFT SEARCH

            ...Pay no attention to these heathen barbarians with their cutting torches and 8" lift kits!...
            Self Inflicted Flesh Wound

            Comment

            • beloth
              350 Buick
              • Jun 06, 2003
              • 1406

              #7
              Thankyou very much for that time on Saturday tad.
              It rides awesome and looks 200% better than before.

              I appreciate your time thanks again..

              Robert
              1966 wag "JENNY" w/1973 drivetrain
              330K miles w/360 V8 2bbl (HEI installed ), flowmaster muffler
              TH400 /Dana 20 transfer case D30 /D44 w/ 3.73's LT235/75/R15 AT tires. lift shackles in frt. 2 in lft; w/ TAD's Dozer bumpers! Cost $700 -now total cost=?

              Comment

              • worn4wd
                232 I6
                • Aug 18, 2004
                • 93

                #8
                i push out the tuff ones with my balljoint press....the weak shall perrish.

                Comment

                • Tad
                  • Nov 30, 2001
                  • 17618

                  #9
                  Originally posted by beloth:
                  Thankyou very much for that time on Saturday tad.
                  It rides awesome and looks 200% better than before.

                  I appreciate your time thanks again..

                  Robert
                  Robert, you are always welcome at my place.
                  That's how it supposed to work.
                  People, help people, nothing to gain, nothing to loose.
                  It's a pretty simple concept that results in some very good Karma.
                  I prefer it that way.
                  2000 Infinity QX4, 3.3L, MPFI, 4 speed auto, 2 speed Nissan tcase, Unibody, IFS front, 4 link rear solid axle with 255-70/16s

                  IFSJA WMS PROJECT
                  EARLY WAG LIFT SEARCH

                  ...Pay no attention to these heathen barbarians with their cutting torches and 8" lift kits!...
                  Self Inflicted Flesh Wound

                  Comment

                  • youngjeeper
                    AMC 4 OH! 1
                    • Jan 24, 2003
                    • 3663

                    #10
                    yup ive sawzalled mine out before. those things can be a PITA
                    88' GW Stock & Mint
                    77' CJ-7
                    http://gfsj.org/forums
                    Choptop/Crew Cab Build-up
                    http://www.ifsja.org/forums/vb/showthread.php?t=93389

                    Comment

                    • Poley
                      360 AMC
                      • Mar 22, 2003
                      • 2504

                      #11
                      pound and pound turn and turn and repeat.. heat and PB work it takes awhile
                      Fullsized Gets it DONE!!!!

                      Comment


                      • #12
                        Well, the bolt came out on Sat. It seemed that heat was the key. Anyone know the flash point of PB blaster? It sure seems to penetrate well when the bolt is hot! Anyway, lots of blaster, heat tapping and turning and it came out. One other was rusted in on the front main eye, but I could get to that one and pressed it out...with heat and PB...

                        Thanks for the advice.

                        Comment

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