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  • Speed Sensor

    I have a 1994 audi 80 tdi. We have swaped the engine to a PD130 and installed a quattro 6 speed gearbox (HCG). That gearbox does not have the speed sensor. How can i have a speed sensor installed?
    Thanks!

  • #2
    Gearbox is 02X - I have a solution for 0A3 which has similar problem with no VSS sensor. It uses a hall effect sensor and trigger ring on the front driveshaft.
    I'm sure something very similar is possible for the 02X - if you send me a picture of the gearbox front differential cover and measure the PCD of the front output flange I can tell you if my 0A3 kit will work, or if not what can be done to make a solution.

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

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    • #3
      Thanks!

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      • #4
        I installed the trigger ring on the rear drive shaft but the speedometer reading was too high! It has 8 reading points "metal teeth", but the speed reading is very high. I placed 8 metal reading points because my original gearbox (audi 80 tdi) had an internal magnetic drive gear that made 8 pulses per revolution.
        Any thoughts?
        (How can i post pictures....??)

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        • #5
          Explore sergioleite57's photos on Flickr. sergioleite57 has uploaded 1 photo to Flickr.

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          • #6
            picture

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            • #7
              Lol. Yes it’s because propshaft spins 4.111 x faster than the driveshafts - the driveshaft speed is a product of the diff ratio - don’t try to reinvent the wheel!
              Panthero Coupé quattro 20vt
              Indigo ABY coupé
              Imola B6 S4 Avant

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              • #8
                Error 404, the sensor you are using is a abs sensor?

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                • #9
                  No. Read my post above where I already told you
                  Panthero Coupé quattro 20vt
                  Indigo ABY coupé
                  Imola B6 S4 Avant

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                  • #10
                    Ok....

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                    • #11
                      Ok.... The abs sensor works with the hall effect sensor?

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                      • #12
                        No ABS uses a VR sensor.
                        Panthero Coupé quattro 20vt
                        Indigo ABY coupé
                        Imola B6 S4 Avant

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