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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> 37 Automatic Transmission - Actuator, Housing -- 992 - 911 CARRERA (992) >> WM, 373419 Removing And Installing PORSCHE Double-Clutch Transmission >> Removing Double Clutch Transmission

Removing Double Clutch Transmission

WARNING: Vehicle can fall down 
  • Risk of squashing or crushing
  • Risk of damage to the vehicle

    → Do not place any solid objects under the raised vehicle.

    → Ensure that the lifting platform is prevented from lowering.

    → Remove solid objects before lowering the vehicle.

    → Raise the vehicle only at the jacking points provided.

    → The outer jacking points should be used primarily.

Information 

Information 

WARNING: Caustic fluids 
  • Danger of chemical burns

    → Wear personal protective gear.

    → Ensure that there is good ventilation.

    → Avoid contact with caustic fluid.

    → If you do come into contact, wash off immediately with plenty of warm water and contact a doctor if necessary.

  1. Vehicles with PDCC:  Remove PDCC lines.
    1. 1.1 Open clamp -1-  and pull hose -2-  off the line.
      G15509427Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      PDCC intake pipe

    2. 1.2 Position container for collecting Pentosin.
    3. 1.3 Unscrew union nuts -1-  .
      G15509428Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Threaded joint for PDCC lines

    4. 1.4 Unclip PDCC lines -LHD vehicle -  from the brackets -1-  .
      G15509429Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Bracket for PDCC lines

    5. 1.5 Remove bracket -LHD vehicle -  for PDCC lines.
      G15509430Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Bracket for PDCC lines

      1. 1.5.1 Unscrew screws -1-  .
      2. 1.5.2 Remove bracket -LHD vehicle -  .
    6. 1.6 Leave PDCC lines hanging in a safe place.
  2. Loosen drive shafts on the transmission side.
    1. 2.1 Unscrew screws -Arrows-  .

      Counter at the wheel to prevent it from turning as well. Get another person to help if necessary.

    2. 2.2 Remove screws -Arrows-  together with the plates -1-  .
    3. 2.3 Suspend the drive shaft in a safe place using a tie-wrap.
    G15509431Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Screws for drive shafts

  3. Disconnect cable plugs on the double clutch transmission.
    1. 3.1 Release and disconnect three cable plugs -1-  .
      G15509432Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Cable plugs on double clutch transmission

    2. 3.2 Release and disconnect cable plug on engine speed pulse sender -1-  .
    G15509433Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cable plug for pulse sender

  4. Disconnect B+ line.
    1. 4.1 Open cap -1-  and unscrew nut -2-  .
    G15509434Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Connection point for B+ line

    Information 

    Make sure that the engine is positioned securely on the transmission jack. To do this, set the correct angle on the transmission jack.

  5. Support double clutch transmission and engine.

    Information 

    Lifting the double clutch transmission at the ATF pan is not permitted!

    1. 5.1 Support double clutch transmission.
      1. 5.1.1 Position >T90003 - support-1-  with >VAS 6931 - engine and gearbox jack-2-  under the double clutch transmission.
      2. 5.1.2 Make sure that the styrofoam elements T90003/1 -3-  and T90003/4 -4-  are positioned correctly.
      3. 5.1.3 Check that all fastening parts -Arrows-  are fitted securely.
      4. 5.1.4 Carefully lift up >VAS 6931 - engine and gearbox jack  and re-adjust the angle of the >T90003 - support  if necessary.
      5. 5.1.5 Secure double clutch transmission using >9454 - strapping belt-5-  .
    2. 5.2 Support the engine.
      1. 5.2.1 Position another >VAS 6931 - engine and gearbox jack-6-  under the engine. Do not raise the engine yet  .
    G15509435Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Supporting engine and gearbox

  6. Remove transmission support and transmission bracket.
    1. 6.1 Unscrew screws -1-  and nuts -2-  .
    2. 6.2 Carefully lower the double clutch transmission using >VAS 6931 - engine and gearbox jack  .
    3. 6.3 Remove transmission bracket -3-  .
    4. 6.4 Unscrew nuts -4-  and remove transmission support -5-  .
    G15509436Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Transmission support and transmission bracket

  7. Disconnect wiring harness at the transmission.
    1. 7.1 Right side:  Unscrew screws -3 and 4-  , release and disconnect cable plug -5-  and disconnect wiring harness at the double clutch transmission -Arrows-  .
      G15509437Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      B+ line in cable guide

    2. 7.2 Left side:  Release and disconnect cable plugs -1, 2 and 3-  . Unclip connector housing -4-  and wiring harness -Arrows-  .
    G15509438Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Wiring harness on transmission

  8. Disconnect vacuum line -1-  from disc valve.
    G15509439Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Vacuum line on disc valve

  9. Unscrew screw on disc valve -2-  .
    G15509440Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Thermal management disc valve

  10. Loosen coolant hoses -1-  .
    1. 10.1 Clamp coolant hoses. Use clamping pliers or >3093 - hose clamp  to do this.
    2. 10.2 Position container for collecting coolant underneath.
    3. 10.3 Remove spring clamps -Arrows-  and pull off coolant hoses -1-  .
    4. 10.4 Close off coolant pipes on the engine side using suitable stoppers.
    G15509441Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Connection point for coolant hoses

  11. Use >VAS 6931 - engine and gearbox jack  to support the engine over a large area  of the oil pan.
  12. Prepare tools for the flange screws and get another person to help. >Recommended tools for flange screws 
    G15509442Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Recommended tools for flange screws

    LHD vehicle  Recommended tool for screw 6 
    RHD vehicle  Recommended tool for screws 4 and 5 
    Item C  Recommended tool for screws 1, 2 and 3
    1  Torx socket-wrench insert E18, 1/2-inch
    2  Universal joint, 1/2-inch
    3  Extension, 1/2 inch
    4  Change-over ratchet, 1/2-inch
    5  > VAS 6953 - Torx ring socket attachment, E18 
    6  > V.A.G 1332 - Torque wrench, 40-200 Nm (30-148 ftlb.) 
    NOTE: Mechanical overload of components 
    • Component will be damaged irreparably

      → Observe guidelines for assembly and disassembly

    Information 

    • The splines of the transmission shaft must be removed completely from the flywheel before tipping off the transmission. 
    • If this is not done, the diaphragm spring on the flywheel will be damaged and the flywheel must be replaced. 
  13. Remove double clutch transmission.
    1. 13.1 Loosen and unscrew screws in the sequence -1 to 6-  with the help of another person.
    2. 13.2 Pull double clutch transmission forward until the transmission shaft is separated completely from the flywheel splines.
    3. 13.3 Carefully lower the double clutch transmission. Make sure not to damage any cables, lines and hoses.
    Fig 1: Double Clutch Transmission Screws Loosening Sequence
    G15509443Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Double clutch transmission screws

    Information 

    Check that the guide sleeves between the transmission flange and engine flange remain in the engine flange.

    Information 

    • Check the diaphragm spring on the flywheel for mechanical damage before installing it. 
    • A damaged flywheel must not be installed! 
  14. Check diaphragm spring -1-  on the flywheel for damage.

    There must be no dents or mechanical damage! 

    1. 14.1 The flywheel must be replaced if there are signs of damage -Arrow-  on the diaphragm spring -1-  .
G15509444Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Diaphragm spring on flywheel

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