Removing Pinion shaft from diff

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  • Error404
    Super Moderator
    • Mar 2007
    • 19789
    • Country: United Kingdom

    #1

    Removing Pinion shaft from diff

    Does anyone have any info on removing the pinion from the diff?

    I've got a scan of the workshop manual for the diff itself, but it doesn't cover removing and refitting the pinon assembly.
    Theres a lock nut to remove the propshaft flange, but i wanted to know if the pinion and bearings is a press fit in the diff casing, or pulls out like the diff & crown wheel assemly

    Has anyone got any info for me?
    Panthero Coupé quattro 20vt
    Indigo ABY coupé
    Imola B6 S4 Avant
  • Acidburn
    S2Forum Obsessed
    • Jun 2007
    • 13459
    • Country: United Kingdom

    #2
    Might be worth pm'ing audiman as he did the swap when he owned his.

    Comment

    • Error404
      Super Moderator
      • Mar 2007
      • 19789
      • Country: United Kingdom

      #3
      You don't need to do it to swap the diffs over, i want to strip mine out to make sure theres no residue in there from having the drain plug drilled out.
      Someone posted this assembly diagram, but it doesn't cover removing the pinion
      Attached Files
      Panthero Coupé quattro 20vt
      Indigo ABY coupé
      Imola B6 S4 Avant

      Comment

      • Pirvu Eugen
        S2Forum Extremist
        • Apr 2007
        • 1978
        • Country: Romania

        #4
        Remove the front nut from the prop flange and pressthe shaft in.
        Take care at the adjustment washers inside... mont them back in the same location.
        Here is a picture with the diff from spare parts catalogue!
        Hope this helps!
        Attached Files

        Comment

        • Error404
          Super Moderator
          • Mar 2007
          • 19789
          • Country: United Kingdom

          #5
          Thanks mate
          So the bearings are a press fit onto the pinion shaft, then the shaft just pulls out of the front of the diff casing?
          OR do you need to drive the shaft into the casing out remove it out of the side of the casing?

          Does anyone have any info in a Bentley or similar to confirm this?

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

          Comment

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