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Home >> Porsche >> 2011 >> 911 Speedster >> Repair and Diagnosis >> Drivelines & Axles >> Driveshaft & Universal Joints >> 39 - Final Drive - Differential, Differential Lock -- CARRERA (997) >> WM 398819 Removing And Installing Four-Wheel Final Drive (Turbo Coupe, Turbo S Coupe, Turbo CABRIO & Turbo S CABRIO) >> Installing Front Final Drive

Installing Front Final Drive

  1. Install front final drive.

    Carefully guide the front final drive into position from below. Avoid damaging the coolant pipes when doing so.

  2. Remove front carrier.
    1. 2.1. Screw studs -C-  through the transmission support -A-  and into the front-axle cross member.

      → Tightening torque: 20 Nm (15 ft. lb.) 

      Fig 1: Identifying Final Drive Mount
      G09825401Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 2.2. Screw nuts -B-  onto studs and tighten them.

      → Tightening torque: 65 Nm (48 ft. lb.) 

  3. Fit support for final drive.
    1. 3.1. Engage pipe holder on lines.

      Press on grab handles -arrows-  on the coolant pipes and connect cable plug -2-  . Slide the pipe holder -1-  back until it engages on the support for final drive.

      Fig 2: Locating Pipe Holder On Lines
      G09825402Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 3.2. Secure support for final drive.

      Screw in and tighten screws -arrows-  .

      → Tightening torque: 65 Nm (48 ft. lb.) 

      Fig 3: Locating Final Drive Support Securing Screws
      G09825403Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  4. Remove transmission jack.
  5. Fit drive shafts on the transmission side.
    1. 5.1. Counter using special tool Adapter Plate 9510/1 -1-  ).
      Fig 4: Identifying Adapter Plate
      G09825404Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 5.2. Screw in and tighten the six bolts between the drive shaft and transmission flange.

      → Tightening torque: 39 Nm (29 ft. lb.) 

      Fig 5: Identifying Drive Shaft
      G09825405Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  6. Install tank covering at the front.
    Fig 6: Locating Front Tank Covering Screws
    G09825406Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Fit tank covering and secure with retaining straps by screwing in and tightening screws -arrows-  .

    Location Description Type Basic value Tolerance 1 Tolerance 2
    Retaining strap securing cover to body   Tightening torque 23 Nm (17 ft. lb.)    
  7. Install front diagonal braces.
    Fig 7: Locating Front Diagonal Braces Bolts
    G09825407Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Fit diagonal braces and make sure the arrows on the diagonal braces are pointing forward. Then screw in and tighten screws -arrows-  .

    → Tightening torque: 100 Nm (74 ft. lb.)