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Installing Transmission G86

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NOTE: Install in reverse order.
  1. Clean teeth of the drive shaft and grease with a thin coat of O list a Longtime 3 EP (available as spare part).
  2. Ensure perfect seating of dowel sleeves in crankcase.
  3. Carefully move transmission in and screw in the fastening screws. See TIGHTENING TORQUE SPECIFICATION - TRANSMISSION/ENGINE FASTENING SCREWS  .
    Fig 1: Identifying Transmission/Engine Fastening Screws
    G03102656Courtesy of PORSCHE OF NORTH AMERICA, INC.
    TIGHTENING TORQUE SPECIFICATION - TRANSMISSION/ENGINE FASTENING SCREWS

    Number Screw/nut Tightening torque [Nm] (ft.lb)
    1 M12 x 70 85 Nm (63 ftl.b)
    2 M12 x 90 85 Nm (63 ft.lb)
    3 M12 x 90 85 Nm (63 ft.lb)
    4 (1) M10 45 Nm (33 ft.lb)
    5 (2) M10 x 35 45 Nm (33 ft.lb)
    6 M12 x 90 85 Nm (63 ft.lb)
    7 M12 x 100 85 Nm (63 ft.lb)
    (1) Hexagon nut
    (2) Internal multiple-tooth nut
  4. Install transmission support with left and right hydraulic mount.

    Tightening torque: 33 Nm (24 ft.lb) 

  5. Engage shift and selector cables.

    Procedure for vehicles with manufacturing date up to 21 April 1997 

    • Engage and lock support bracket sleeves D and E at the support bracket. See Fig 2 .
      Fig 2: Engaging Support Bracket Sleeves D And E At Support Bracket (Vehicles With Manufacturing Date Up To 21 April 1997)
      G03102657Courtesy of PORSCHE OF NORTH AMERICA, INC.
    • Connect shift and selector cables and push retaining clips A and B onto the ball head. See Fig 2 .
    • Tighten locking screw F. See Fig 2 .
    • Clip on upper joint rod.
    • Install retaining clip C. See Fig 2 .
    • Push on cotter pins for retaining clips A and B. See Fig 2 .

      Procedure for vehicles with manufacturing date from 22 April 1997 

    • Press shift and selector cables into place.
  6. Insert clutch slave cylinder and tighten fastening screw.

    Tightening torque: 23 (17) 

    NOTE:
    • The bleeder valve must be opened if the push rod cannot be pushed back manually when the clutch slave cylinder is being installed. Connect a collecting bottle with hose for this purpose.
    • If the bleeder valve is opened, the clutch system must be bled. If it is not necessary to open the bleeder valve, it is no longer necessary to bleed the system.
  7. Set up plug connection for the reversing light switch.
  8. Fit drive shafts on the transmission side.

    Tightening torque: 39 Nm (29 ft.lb) (screws with M8 thread) 

    Tightening torque: 81 Nm (60 ft.lb) (screws with M10 thread) 

  9. Screw suspension for muffler on transmission.

    Tightening torque: 65 Nm (48 ft.lb) 

  10. Install rear cross member (V strut).

    Tightening torque: 65 Nm (48 ft.lb) 

  11. Install stabilizer.

    Tightening torque: 23 Nm (17 ft.lb) (M8) or 50 Nm (37 ft.lb) (M10) 

  12. Install diagonal brace.

    Tightening torque: 65 Nm (48 ft.lb) 

  13. Install rear mufflers. Refer to REMOVING AND INSTALLING REAR MUFFLER - MANUAL .
  14. Remove safety device 10-222 A and support device 9591/1 from the engine.
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