Greg_S S2 Coupe 20+ years going strong

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  • Vorsprung durch Technik
    S2Forum Freak
    • Jun 2007
    • 4754
    • Country: United Kingdom

    #241
    I took some pictures of it to show it's condition.

    Part no 441.612.099B Germany Hol (Hol being company name i imagine)

    Build date 10/89 and came of my Nov 91 90 2.3 20V gen 68,000 miles.

    Cheers Mark.





    Attached Files
    96 URS6 plus speck saloon
    96 URS6 plus speck estate
    94 2.6 80 Avant
    99 2.8 final edition Cabriolet

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    • Greg_S
      Administrator
      • Jul 2003
      • 12430
      • Country: United Kingdom

      #242
      Thanks Mark, im going to test it out tonight all being well and see if I can check the part number is compatible
      Greg

      S2Forum.com Administrator & Webmaster

      '93 Coupe with a few tweeks

      Comment

      • Greg_S
        Administrator
        • Jul 2003
        • 12430
        • Country: United Kingdom

        #243
        I wanted to check which line is the return line before I test it. The pressure sensor is on the bottom so I'm guessing the top. The engine hasn't run since yesterday, will it bed to be fun for a bit before I try it. Here are a couple of pics anyway.

        From the date stamp it looks original. Will start to take a look by brake pedal while I wait for a reply
        Attached Files
        Greg

        S2Forum.com Administrator & Webmaster

        '93 Coupe with a few tweeks

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        • Greg_S
          Administrator
          • Jul 2003
          • 12430
          • Country: United Kingdom

          #244
          Just got my head underneath and identified the part number 8A2 612 097 and 26-0220-1001.3
          Attached Files
          Greg

          S2Forum.com Administrator & Webmaster

          '93 Coupe with a few tweeks

          Comment

          • Greg_S
            Administrator
            • Jul 2003
            • 12430
            • Country: United Kingdom

            #245
            Having just read the thread about RS2 brake problems it looks like the top connection is the return line.

            I'll see about checking the servo out tomorrow evening. Cross referencing the part numbers is a PITA. after checking it tomorrow it should better inform if it is the bomb, booster or both that are the problem.

            Going to start pricing up the vacuum option to see what it would cost
            Greg

            S2Forum.com Administrator & Webmaster

            '93 Coupe with a few tweeks

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            • newsh
              S2Forum Obsessed
              • Aug 2003
              • 16226
              • Country: United Kingdom

              #246
              I think you may have the same symptoms as mine recently, servo has failed.

              S2 Coupe 3B Project


              Ur quattro restoration

              S2 Avant

              Boost is the new rock and roll!
              sigpic

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              • Greg_S
                Administrator
                • Jul 2003
                • 12430
                • Country: United Kingdom

                #247
                Yeah it's looking like that, I like to change one part at a time to try and find the fault. I changed bomb first which solved the PAS fluid draining from the reservoir so much on startup, but then the brake servo issues occurred. Could this be caused by the bomb I fitted is it compounding the problem with servo. Tempted to refit my old bomb and see if I still have problems with servo. I'll do the return like check first. Can anyone confirm if the top line is the return? And if the servo mark pictured above is compatible?
                Greg

                S2Forum.com Administrator & Webmaster

                '93 Coupe with a few tweeks

                Comment

                • Greg_S
                  Administrator
                  • Jul 2003
                  • 12430
                  • Country: United Kingdom

                  #248
                  Been out again this evening and disconnected the return feed and had no drops come out all from the brake booster servo.
                  Attached Files
                  Greg

                  S2Forum.com Administrator & Webmaster

                  '93 Coupe with a few tweeks

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                  • Greg_S
                    Administrator
                    • Jul 2003
                    • 12430
                    • Country: United Kingdom

                    #249
                    After putting the nipple back on I realised I hadnt ran the car for a couple of mins beforehand. So back through the same process again after running the engine, a very small amount of fluid, then refitted it all back together.

                    I was scratching my head a bit and the only item that has changed is the bomb, so I ran the car for a few minutes and did the bomb test. Pressing the brake pedal had a decent feel for a single press while the engine was running, but would get warning light if you did 2 or 3 presses in a row.

                    Anyway engine off and the pedal goes hard after 3 presses so my plan of action now is to refit my original bomb, which has the problem with draining alot of PAS fluid on startup and then refilling back into reservoir and will go from there.
                    Greg

                    S2Forum.com Administrator & Webmaster

                    '93 Coupe with a few tweeks

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                    • newsh
                      S2Forum Obsessed
                      • Aug 2003
                      • 16226
                      • Country: United Kingdom

                      #250
                      Originally posted by Greg_S
                      And if the servo mark pictured above is compatible?
                      That one looks like the one Alex sent me which didn't fit the Avant. Assuming the ABY Coupe and Avant are the same it won't work

                      Last edited by newsh; 24 June 2014, 22:27.

                      S2 Coupe 3B Project


                      Ur quattro restoration

                      S2 Avant

                      Boost is the new rock and roll!
                      sigpic

                      Comment

                      • newsh
                        S2Forum Obsessed
                        • Aug 2003
                        • 16226
                        • Country: United Kingdom

                        #251
                        It's possible you have 2 dodgy bombs, one with a dodgy return valve too.

                        S2 Coupe 3B Project


                        Ur quattro restoration

                        S2 Avant

                        Boost is the new rock and roll!
                        sigpic

                        Comment

                        • Greg_S
                          Administrator
                          • Jul 2003
                          • 12430
                          • Country: United Kingdom

                          #252
                          Originally posted by newsh
                          It's possible you have 2 dodgy bombs, one with a dodgy return valve too.
                          I think your right, i suspect my original one had a dodgy return valve, but was ok otherwise so im going to refit that in the interim and decide what to do next.

                          Will the warning light be an MOT failure?
                          Greg

                          S2Forum.com Administrator & Webmaster

                          '93 Coupe with a few tweeks

                          Comment

                          • Greg_S
                            Administrator
                            • Jul 2003
                            • 12430
                            • Country: United Kingdom

                            #253
                            Got the bomb swapped back over tonight and the passenger window working again after lubing runners and give motor a tap. Will need to have off yet to decrease but it can wait until I adjust doors.

                            As for brakes I haven't had a chance to re test properly yet. Instead I investigated squeak from rear brakes. Unfortunately with the carriers from rusty and Delphi discs the discs foul the carriers as discs are 11mm and originals were 9.81 mm when I checked tonight. So taking them off until I work a solution
                            Attached Files
                            Greg

                            S2Forum.com Administrator & Webmaster

                            '93 Coupe with a few tweeks

                            Comment

                            • Greg_S
                              Administrator
                              • Jul 2003
                              • 12430
                              • Country: United Kingdom

                              #254
                              I gave the flanges a good clean as they had some paint on them which helped a little, ran out of time last night and put the one side back together with the stock disc, getting in there for a good clean on the other areas is next. I may have another set of carriers in the shed which I can try too, Claire has been quite tolerant of my tinkering this week as I've been out there till gone 9pm most evenings
                              Greg

                              S2Forum.com Administrator & Webmaster

                              '93 Coupe with a few tweeks

                              Comment

                              • Greg_S
                                Administrator
                                • Jul 2003
                                • 12430
                                • Country: United Kingdom

                                #255
                                After a rather frustrating week trying to get stuff one on the old girl ive had a bit of a break through today in preparation for MOT tomorrow.
                                • Got the front window mechanisms lubricated properly and door cards back on.
                                • Tidied up on the doors where they had been rubbed by the door cards
                                • Glued up the door handle grabs on the interior where the internal foam had started to lift from the outer handles
                                • Fitted Andy's K24R 314mm kit after fettling the carriers somewhat
                                • Gave her a wash and touched up a couple of bits of laquer that had started to peel to hopefully stop it going any further
                                • Fitted the MOMO steering wheel I bought from Andy ages ago, the horn contact on the boss I bought was great so i spent a good hour and half sorting that out
                                • Gave the door cards a clean with some interior shampoo
                                • Checked her over ready for MOT
                                • Tested brakes and no warning lights so fingers crossed the swapping back and forth of parts has sorted that.
                                Attached Files
                                Greg

                                S2Forum.com Administrator & Webmaster

                                '93 Coupe with a few tweeks

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