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Home >> Porsche >> 2021 >> Panamera Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 73 (42 Rear Wheel Suspension Drive Shaft 4.0L Turbo Gas -- 971 - PANAMERA (971)) >> WM, 420519 Removing And Installing Rear Axle Housing >> Removing And Installing Rear Axle Housing >> Installing Rear Axle Housing

Installing Rear Axle Housing

WARNING: This page is about a different variant/trim than selected.
  1. Guide rear axle housing into the vehicle using > VAS 6832 - Master Gear unit elevating platform  and > VAS 6832/7 - assembly fixture - Panamera G2  and fit it on the body.
    1. 1.1 Position elevating platform > VAS 6832 - Master Gear unit elevating platform  with > VAS 6832/7 - assembly fixture - Panamera G2  under the vehicle and raise it carefully.
    2. 1.2 Before the rear axle housing is in installation position, connect and lock electric plug connection for PASM -1-  on the shock absorber -2-  at both sides of the vehicle.
      G15861823Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Electric plug connection for PASM on shock absorber

    3. 1.3 Align rear axle housing according to the markings applied before removal. Marking (example) 
      G15861824Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Marking (example)

    4. 1.4 Screw in and tighten fastening screws -1-  on the rear axle housing > Initial tightening 130 Nm (95.9 ftlb.)  > Final tightening torque angle + 180°
      G15861825Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Mounting for rear axle housing

    5. 1.5 Lower > VAS 6832 - Master Gear unit elevating platform  .
  2. Fit shock absorber -1-  on the body.
    G15861826Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for shock absorber on body

    1. 2.1 Tighten fastening screws -2-  > Tightening torque 50 Nm (36.9 ftlb.) 
  3. If installed:  Tighten fastening screws -1-  for damper > Tightening torque 55 Nm (40.6 ftlb.) 
    G15861827Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for damper

  4. install rear-axle strut -1-  .
    G15861828Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for rear-axle strut

    1. 4.1 Tighten fastening screws -2-  > Tightening torque 20 Nm (14.8 ftlb.) 
    2. 4.2 Tighten fastening screws -3-  > Tightening torque 20 Nm (14.8 ftlb.) 
  5. Install heat insulation in luggage compartment pan -1-  .
    G15861829Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for heat insulation in luggage compartment pan

    1. 5.1 Tighten fastening screws -2-  > Tightening torque 2.5 Nm (1.8 ftlb.) 
  6. Connect and lock electric plug connections -1-  on both sides of the vehicle and secure them to the holder -2-  . Secure the line on the vehicle from the brackets on the rear axle housing.
    G15861830Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connections on rear axle housing

  7. Connect electric plug connection -2-  to the TPM control unit -1-  and lock it.
    G15861831Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connection for RDK control unit.

  8. Connect electric connector -2-  on both sides of the vehicle to the rear angle sensor for HBA -1-  and lock it.
    G15861832Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for holder for rear angle sensor for headlight beam adjustment at the top

  9. Only for PHEV vehicles:  Fit coolant lines -1 and 2-  .
    G15861833Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for coolant lines (PHEV only)

    1. 9.1 Connect coolant hoses and close clamps using > VAS 6889 - spring band clamp pliers-5-  .
    2. 9.2 Secure brackets -4-  .
    3. 9.3 Connect and lock electric connectors -3-  .
  10. Only for vehicles with air suspension:  Clip air spring bellows at the top into the body mounting points -1-  .
    G15861834Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Upper clip on air spring bellows

  11. Only for vehicles with air suspension:  Insert air spring bellows into lower trailing arm.
    G15861835Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Positioning air spring bellows in trailing arm

    1. 11.1 Route electric line -1-  in the guides on the air spring bellows.
    2. 11.2 Align air spring bellows with groove -2-  at the lug -3-  of the trailing arm.
  12. Only for vehicles with air suspension:  Secure plug connections on the air spring bellows -1-.
    G15861836Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Plug connections on air spring bellows

    1. 12.1 Connect and lock electric connector -2-  .
    2. 12.2 Tighten Voss threaded joint for the air line -3-  > Tightening torque 2 Nm (1.5 ftlb.) 
  13. Only for vehicles with rear differential lock:  Secure electric plug connection for servo motor for rear-differential lock.
    1. 13.1 Connect and lock electric plug connection -1-  on servo motor for rear-differential lock -2-  and secure line to the brackets -3-  .
      G15861837Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Electric plug connection for servo motor for rear-differential lock

    2. 13.2 Install protective plate for drive shaft at the left -1-  .
      G15861838Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Mounting for protective plate for drive shaft at the left

      1. 13.2.1 Tighten fastening screws -2-  > Tightening torque 8 Nm (5.9 ftlb.) 
  14. Only for vehicles with rear axle steering:  Connect and lock electric plug connections -1-  on servo motor for rear axle steering -2- 
    G15861839Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connections for rear axle steering

  15. Only for vehicles with PDCC:  Install PDCC wire harness.
    1. 15.1 Secure PDCC wire harness -1-  to the rear axle housing.
      G15861840Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Mounting for PDCC wire harness on rear axle housing

      1. 15.1.1 Tighten fastening screw -2-  .
    2. 15.2 Screw in and tighten fastening screw on the rear axle housing -2-  .
    3. 15.3 Screw in and tighten fastening screw for ground line -3-  .
    4. 15.4 Secure PDCC wire harness to the brackets -4-  .
      G15861841Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Mounting for PDCC wire harness

      Information 

      Before connecting the 48 V connectors, check whether the sealing ring -1-  is positioned under the locking lugs -2-  in the connectors.

      Carefully press the sealing ring back over the locking lugs if necessary.

      G15861842Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Correct position of sealing ring

    5. 15.5 Connect and lock electric plug connections on the PDCC control unit in the sequence -1 to 5-  .
      G15861843Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Sequence for connecting electric plug connections

  16. Install protective plate on the rear axle housing bearing -1-  on both sides of the vehicle.
    G15861844Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for protective plate

    1. 16.1 Tighten fastening screws -2-  > Tightening torque 7 Nm (5.2 ftlb.)