Front subframe torque moments cq20v

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  • Tom_
    S2Forum Extremist
    • Oct 2007
    • 1301
    • Country: Czech Republic

    #1

    Front subframe torque moments cq20v

    Guys, please, do you know torque moments front subframe on coupe quattro 20V 125kW? I read somwhere 35Nm + 1/4 turn, but i think that is not enough...
    Audi Coupe Quattro 2.3 20V
  • UrS4boy
    S2Forum Obsessed
    • Feb 2006
    • 11859
    • Country: Canada

    #2
    Originally posted by Tom_
    Guys, please, do you know torque moments front subframe on coupe quattro 20V 125kW? I read somwhere 35Nm + 1/4 turn, but i think that is not enough...
    Not a CQ but very likely to be similar:




    RS2'd 93 UrS4 5 spd sedan
    94 UrS4 V8 6 spd manual avant

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    • Tom_
      S2Forum Extremist
      • Oct 2007
      • 1301
      • Country: Czech Republic

      #3
      Thanks lot, i have some manula and there are 35NM+ 1/4 turn, so can i trust to your information? I know, its more than mine, but i want to be sure . Thank you
      Audi Coupe Quattro 2.3 20V

      Comment

      • UrS4boy
        S2Forum Obsessed
        • Feb 2006
        • 11859
        • Country: Canada

        #4
        Originally posted by Tom_
        Thanks lot, i have some manula and there are 35NM+ 1/4 turn, so can i trust to your information? I know, its more than mine, but i want to be sure . Thank you
        You can trust my info for a C4 UrS. 35 Nm is not very much. The spark plugs are 30 Nm. I would check (no pun intended) your data again.
        RS2'd 93 UrS4 5 spd sedan
        94 UrS4 V8 6 spd manual avant

        Comment

        • Tom_
          S2Forum Extremist
          • Oct 2007
          • 1301
          • Country: Czech Republic

          #5
          I find the same numbers here... http://www.s2-audi.co.uk/tech_articl...r_subframe.htm I know, but the front and the rear are the same torque...Maybe that 90° can be another 60 Nm, isnt it?
          Audi Coupe Quattro 2.3 20V

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          • Tom_
            S2Forum Extremist
            • Oct 2007
            • 1301
            • Country: Czech Republic

            #6
            Audi Coupe Quattro 2.3 20V

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            • UrS4boy
              S2Forum Obsessed
              • Feb 2006
              • 11859
              • Country: Canada

              #7
              Looks like you have your B3 info and you can just ignore my C4 info. I am shocked at the low torques on that diagram, even with the 90 deg turn comment.

              Originally posted by Tom_
              I find the same numbers here... http://www.s2-audi.co.uk/tech_articl...r_subframe.htm I know, but the front and the rear are the same torque...Maybe that 90° can be another 60 Nm, isnt it?
              Originally posted by Tom_
              RS2'd 93 UrS4 5 spd sedan
              94 UrS4 V8 6 spd manual avant

              Comment

              • Tom_
                S2Forum Extremist
                • Oct 2007
                • 1301
                • Country: Czech Republic

                #8
                I am shocked too and now i dont know whats the true...This manual looks good and its very usefull, but now i am a little bit nervous, if its there a true/correct informations...
                Audi Coupe Quattro 2.3 20V

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                • Nuvo
                  S2Forum Possessed
                  • Nov 2003
                  • 3825

                  #9
                  Tom, the spec you gave is correct for the M10 bolts used on your car.

                  Comment

                  • Tom_
                    S2Forum Extremist
                    • Oct 2007
                    • 1301
                    • Country: Czech Republic

                    #10
                    Nuvo : thank you . Do you think that is enough? I will visit a circuit in Brno, so i want to be sure, that no problém will happened , if you understand me
                    Audi Coupe Quattro 2.3 20V

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                    • Error404
                      Super Moderator
                      • Mar 2007
                      • 19789
                      • Country: United Kingdom

                      #11
                      As per my PM Tom, mine used to come loose on track using factory settings.
                      I now use 12.9 high tensile bolts and do them up to 80nm - no problems

                      HTH
                      Alex
                      Panthero Coupé quattro 20vt
                      Indigo ABY coupé
                      Imola B6 S4 Avant

                      Comment

                      • Tom_
                        S2Forum Extremist
                        • Oct 2007
                        • 1301
                        • Country: Czech Republic

                        #12
                        Ok Alex, I do it again, 80NM, i have 12.9 bolts aswell and blue Loctite and i think that will be no problem Thanks everyone
                        Audi Coupe Quattro 2.3 20V

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                        • Rusty
                          Super Moderator
                          • Jun 2004
                          • 18953
                          • Country: United Kingdom

                          #13
                          careful with loctite or you'll never get them off due to the captive nuts not being captive...
                          Cheers'en, AndyC
                          1994 ABY Coupe - Projekt Alpinweiss

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                          • Tom_
                            S2Forum Extremist
                            • Oct 2007
                            • 1301
                            • Country: Czech Republic

                            #14
                            You think? **** i used loctite yesterday, but i get bolts tightened on 35Nm + 90° turn...so now i am nervous, if i could them remove
                            Audi Coupe Quattro 2.3 20V

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

                              #15
                              35 Nm + 90 degrees is a higher torque than 80 Nm.

                              I never had any problems on track with the standard torque. The most important bit is that it's done with the car on the ground
                              Mike

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

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