What is this ? on the rear diff

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  • S2_avant 19930325
    S2Forum Maniac
    • Mar 2019
    • 648
    • Country: Sweden

    #1

    What is this ? on the rear diff

    It must have something with cooling the rear diff or ? Where does the 2 or 3 rubber hoses goes that comes from inside the above the shaft ? Function ?
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  • steve briance
    S2Forum Extremist
    • Aug 2014
    • 1455
    • Country: United Kingdom

    #2
    That is the vacuum operated diff lock. There are only 2 connections in the plastic body where the hoses push on. Can't find the picture I have showing which way round they go though. One has a yellow stripe on it, the other has blue stripe in it.

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    • steve briance
      S2Forum Extremist
      • Aug 2014
      • 1455
      • Country: United Kingdom

      #3
      Found it. Blue one on the connection closest to the diff body ​​

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