HP2 repair kit?

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  • Thuppu
    S2Forum Freak
    • Sep 2010
    • 4115
    • Country: Finland

    #1

    HP2 repair kit?

    Is there any aftermarket repair kit for B5 S4 HP2 alu/iron calipers? Especially the rubber dust cover seen in the picture seems to be hard to find. You can find the piston dust covers as OEM parts but not the rubber mentioned above. These are different from the C4 HP2 iron calipers.


    Audi UrS4 Avant 2.5 20vt - twincharged - Project
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  • Thuppu
    S2Forum Freak
    • Sep 2010
    • 4115
    • Country: Finland

    #2
    So there is no spares availeble..? You have to buy new calipers if the rubbers gone bad?

    Found these part numbers from the dust covers but google tells me nothing.

    Lucas
    32326467
    310 360 2 - 4

    Audi UrS4 Avant 2.5 20vt - twincharged - Project
    Audi 80q B4 Sedan 2.2 20vt - Daily user
    BMW 320d Touring e91 M-Sport - Daily user
    BMW 740iA e38 - Project

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    • Dybro
      S2Forum Fanatic
      • May 2008
      • 69
      • Country: Denmark

      #3
      Tried Budweg Caliper? - you can search their database and find the right calipers, then you should see the repair-kit part number for the specific caliper(s)

      I recently bought a hp2 Budweg seal-kit with piston seals and dust covers, slide pin boots , new slide pin bushings and some silicone grease - it was about 18€ +vat
      1993 AAN UrS4 Sedan

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      • yodasfro
        S2Forum Enthusiast
        • Apr 2006
        • 129
        • Country: United States

        #4
        I don't believe there is rebuild kit available for the slider pin boot which is similar to the UFO calipers slider pin boot. Pistons boots are available from the dealer. And the smaller guide pins rubber pieces may be available too from a different caliper. Obliviously someone must make the boot as you can buy rebuilt calipers. I know when I was looking I found someone who used mountain bike shock boots to make their own boots. http://www.a4mods.com/index.php?page...errebuild.html
        Austin
        1992 urs4 1991 200 20v avant 1990 90q 20v

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        • jade
          S2Forum Extremist
          • Jan 2005
          • 1811
          • Home: New Zealand Current: Spain

          #5
          Originally posted by Thuppu
          So there is no spares availeble..? You have to buy new calipers if the rubbers gone bad?

          Found these part numbers from the dust covers but google tells me nothing.

          Lucas
          32326467
          310 360 2 - 4
          Have you tried these guys ? they seem to list good prices not sure if they can supply a kit, But they are very helpful

          RS 2 580HP

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          • s2_wot
            S2Forum Fiend
            • Aug 2006
            • 2178

            #6
            I have 2 x B5 S4 calipers here if you want the seals off them or the calipers complete.
            Shane

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            • Thuppu
              S2Forum Freak
              • Sep 2010
              • 4115
              • Country: Finland

              #7
              Ok, thanks guys. The Budweg kit is for the old V8/UrS6 iron HP2 caliper and the dust boot is different on them. The boots on my calipers are still in quite good order, I was askin for future needs if someday is need for rebuild.

              Audi UrS4 Avant 2.5 20vt - twincharged - Project
              Audi 80q B4 Sedan 2.2 20vt - Daily user
              BMW 320d Touring e91 M-Sport - Daily user
              BMW 740iA e38 - Project

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