Tips for removing both subframes!

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  • panzerwagen
    S2Forum Maniac
    • Feb 2004
    • 900
    • Country: United States

    #1

    Tips for removing both subframes!

    My first "06" project is too replace the subframe bushings but I've heard nightmare stories concerning the removal of the bolts from the welded nuts that hold the subframes in. Is there an expedient way of taking these bolts out without breaking the welded nuts away or breaking the heads off the bolts? Is there room to spray some release fluid in there? Can a torch be applied somewhere that will aid in removal?
  • NoNonsense
    Forum Sponsor
    • Apr 2004
    • 673
    • Home: Italy Current: United States

    #2
    Marc,
    there is no way around that issue...if the welds are weak, then they will break. I've broken those twice using and impact gun and never by hand. Usually, those bolts are never too tight, but a little PB Blaster the night before won't hurt anything.
    good luck. ;-)
    Joe "NoNonsense"
    axis motorsport
    joe@axismotorsport.com

    "At the end of the game, the king and the pawn go back in the same box."

    Comment

    • Stick Insect
      S2Forum Fiend
      • Dec 2003
      • 2338
      • Country: United Kingdom

      #3
      Don't forget to try to tighten the bolts first, that helps.

      I've undone a lot of rusty bolts in my time...


      it it feels very stiff, work it back and forth lots of time.

      When the bolt is out, clean the captive nut with a tap and use a die on the bolt, use copper grease when it goes back in ( unless it needs threadlock) can't remember.

      David

      Comment

      • Silverboy
        S2Forum Enthusiast
        • Feb 2005
        • 159
        • Home: Norway

        #4
        hmm.. removed it on a few cars now, never been an issue.. got them off without any problem at all.. just lucky then I guess..

        Comment

        • Corey
          Banned
          • Sep 2003
          • 2793
          • Country: United Kingdom

          #5
          Originally posted by Stick Insect
          When the bolt is out, clean the captive nut with a tap and use a die on the bolt, use copper grease when it goes back in ( unless it needs threadlock) can't remember.

          David
          2 things wrong there, don't reuse the subframe bolts replace with new and do not use copper grease on the threads (unless specified by Audi) as it serioulsy affects the torque figure for tightened bolts.
          Corey
          01636 822288

          Comment

          • Stick Insect
            S2Forum Fiend
            • Dec 2003
            • 2338
            • Country: United Kingdom

            #6
            Only ever taken them off so I can't comment Corey. I seem to recall thinking about it that there may have been blue threadlock on them.

            Never needed to take mine off as yet as the car has only done 21k.

            need to get it working and finish running it in!

            David

            Comment

            • Corey
              Banned
              • Sep 2003
              • 2793
              • Country: United Kingdom

              #7
              Originally posted by Stick Insect
              Only ever taken them off so I can't comment Corey. I seem to recall thinking about it that there may have been blue threadlock on them.
              I have taken off, put on etc. I would hate someone to follow the wrong advice and have a failiure.
              That's why you buy new ones, they come with the correct pre applied threadlock.
              Corey
              01636 822288

              Comment

              • Mikes2
                S2Forum Extremist
                • Jul 2003
                • 1704
                • Country: Scotland

                #8
                The torque for the subframe bolts is not that high. When i removed the rear subframe on mine the bolts came off easily.

                New bolts only but they never came with any threadlock
                Mike

                http://www.s2-audi.co.uk

                Comment

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