suspension rebuilt - fastener spec

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  • hunker7
    S2Forum Possessed
    • Mar 2014
    • 3487
    • Home: Latvia Current: United Kingdom

    #1

    suspension rebuilt - fastener spec

    I'm looking at renewing all rear suspension, and don't particularly want to re-use the nuts & bolts.

    What specification is recommended & best suited? Currently looking at 10.9 grade yellow zinc plated nuts & bolts.

    TIA

    '93 Audi 100 Avant - R.I.P
    '92 Audi UrS4 Avant - SOLD
    '93 Audi UrS4 Avant
    '15 Audi A7 quattro 3.0 TDI
  • Tractor Dave
    S2Forum Zealot
    • Dec 2017
    • 5983
    • Country: Wales

    #2
    10.9 is good. The only bolt outside the engine which is higher grade that I'm aware of is the crank bolt on the bottom pulley. Zinc plate (yellow) will rust much quicker than the oe bolts. Where I've used these in the past I've sprayed them with Bilt Hamber clear wax.
    Nothelle S2 Avant
    Black Ur project
    Silver Rs2 Project gone
    Ocianic Ur project gone
    S2 Coupe project gone
    Urs6 plus project gone

    Comment

    • hunker7
      S2Forum Possessed
      • Mar 2014
      • 3487
      • Home: Latvia Current: United Kingdom

      #3
      Originally posted by Tractor Dave
      10.9 is good. The only bolt outside the engine which is higher grade that I'm aware of is the crank bolt on the bottom pulley. Zinc plate (yellow) will rust much quicker than the oe bolts. Where I've used these in the past I've sprayed them with Bilt Hamber clear wax.
      Great, thanks. What coating is OEM bolts?
      '93 Audi 100 Avant - R.I.P
      '92 Audi UrS4 Avant - SOLD
      '93 Audi UrS4 Avant
      '15 Audi A7 quattro 3.0 TDI

      Comment

      • Tractor Dave
        S2Forum Zealot
        • Dec 2017
        • 5983
        • Country: Wales

        #4
        Some kind of passive galvanized. Error sells them for Coupe subframe but you have a Urs4?
        Nothelle S2 Avant
        Black Ur project
        Silver Rs2 Project gone
        Ocianic Ur project gone
        S2 Coupe project gone
        Urs6 plus project gone

        Comment

        • hunker7
          S2Forum Possessed
          • Mar 2014
          • 3487
          • Home: Latvia Current: United Kingdom

          #5
          Originally posted by Tractor Dave
          Some kind of passive galvanized. Error sells them for Coupe subframe but you have a Urs4?
          I have UrS4 correct. I'll look into getting OEM bolts if they're still available.
          '93 Audi 100 Avant - R.I.P
          '92 Audi UrS4 Avant - SOLD
          '93 Audi UrS4 Avant
          '15 Audi A7 quattro 3.0 TDI

          Comment

          • Tractor Dave
            S2Forum Zealot
            • Dec 2017
            • 5983
            • Country: Wales

            #6
            I don't think you will find much. I'm just doing everything underneath on a Urs6 and really struggling to find parts and bolts.
            Nothelle S2 Avant
            Black Ur project
            Silver Rs2 Project gone
            Ocianic Ur project gone
            S2 Coupe project gone
            Urs6 plus project gone

            Comment

            • hunker7
              S2Forum Possessed
              • Mar 2014
              • 3487
              • Home: Latvia Current: United Kingdom

              #7
              Originally posted by Tractor Dave
              I don't think you will find much. I'm just doing everything underneath on a Urs6 and really struggling to find parts and bolts.
              No surprise there I guess, Audi is pretty useless. What hardware did you go for?
              '93 Audi 100 Avant - R.I.P
              '92 Audi UrS4 Avant - SOLD
              '93 Audi UrS4 Avant
              '15 Audi A7 quattro 3.0 TDI

              Comment

              • Tractor Dave
                S2Forum Zealot
                • Dec 2017
                • 5983
                • Country: Wales

                #8
                Most of the bolts have cleaned up and will be zinc painted and 're used. I do have a good collection of used Audi bolts I can dig into if necessary. Sometimes, vagbolts on eBay have oe bolts so worth checking with the part number and also the size from 7zap
                Nothelle S2 Avant
                Black Ur project
                Silver Rs2 Project gone
                Ocianic Ur project gone
                S2 Coupe project gone
                Urs6 plus project gone

                Comment

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