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Home >> Porsche >> 2008 >> Cayenne Base, Automatic >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Differentials & Drive Axles >> 39 - Final Drive - Differential, Differential Lock >> WM 390119 Removing And Installing Rear Final Drive (Except Cayenne GTS Tip "PORSCHE Design Edition 3") >> Removing Rear Final Drive

Removing Rear Final Drive

Fig 1: Overview Of Rear Final Drive
G09410793Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  1. Move selector lever to position N.
  2. Loosen fastening screws for fixing cardan shaft centre bearing holder to body.
    Fig 2: Locating Cardan Shaft Holder To Body Screws
    G09410794Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  3. Loosen bolts for fixing centre bearing to holder.
    Fig 3: Locating Centre Bearing To Cardan Shaft Holder Screws
    G09410795Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Information 

    • The colour marking, match point, on the cardan shaft and on the flange of the rear final drive must be installed in alignment -arrows- . This will neutralise the residual imbalance of the components. 
      Fig 4: Locating Matching Points On Cardan Shaft
      G09410796Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Information 

    • To loosen the cardan shaft on the rear axle transmission, a second fitter should counter the fastening screws on the triangular flange of the transfer box. 
  4. Remove cardan shaft from rear axle differential and tie it up.
    Fig 5: Tying Up Rear Cardan Shaft
    G09410797Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Information 

    • To loosen the drive shaft bolts on the rear axle transmission, a second fitter should sit in the vehicle and block the rear-axle final drive by actuating the foot brake. 
  5. Remove both drive shafts on transmission side and tie them up.
    Fig 6: Removing Rear Drive Shaft
    G09410798Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  6. Support transmission jack and rear axle differential with a retaining strap.
  7. Unscrew fastening screws for final drive. To do this, counter with a ring wrench.
    Fig 7: Loosening Rear Final Drive Fastening Screws
    G09410799Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  8. Tip drive flange upwards -arrow-  and gradually drain rear axle differential. Remove vent line at the same time.
    Fig 8: Removing Rear Final Drive
    G09410800Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  9. Remove transmission and pull off vent line.
    Fig 9: Removing Vent Line
    G09410801Courtesy of PORSCHE CARS NORTH AMERICA, INC.