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Home >> Porsche >> 2008 >> Cayenne Base, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> 17 - Engine - Lubrication >> WM 172019 Removing And Installing Oil Pump On 4.8-Litre DFI Engines (Cayenne S Tip, Cayenne S Man, Cayenne Turbo, Cayenne GTS Tip, Cayenne GTS, Cayenne Turbo S) >> Installing Oil Pump

Installing Oil Pump

  1. Fit the oil pump
    1. 1.1. Lubricate sealing rings on joining socket -5-  with lubricant 000 043 204 68 (status 05/07)
      Fig 1: Identifying Oil Guide (Oil Plate)
      G09409545Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 1.2. Carefully guide oil pump under the oil return line (vent line) and move into installation position.
    3. 1.3. Connect oil pump and joining socket together. The locking mechanism must clip in (on socket fitted in the oil pump).
    4. 1.4. Fit three screws on the oil pump -2-  .
      Fig 2: Identifying Oil Pump Screws
      G09409546Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    5. 1.5. Screw oil return line (vent line) to the oil pump. -1- Tightening torque: 10 Nm (7.5 ft lbs.) 
    6. 1.6. Screw intake pipe to the oil pump. -3- Tightening torque: 12 Nm (9 ft lbs.) 
    7. 1.7. Tighten three screws on the oil pump. -2- Tightening torque: 13 Nm (9.5 ft lbs.) 
  2. Press off small tensioning rail on chain -arrow-  using a screwdriver, → insert sprocket and fit it on the pump. Insert new  screw and screw it in hand-tight.
    Fig 3: Pressing Off Oil Pump Drive Chain
    G09409547Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  3. Fit the oil pump drive sprocket.
    1. 3.1. Position vibration balancer with screw tightened hand-tight on the crankshaft stub. → Push on change-over ratchet.
      Fig 4: Tightening Sprocket Screw
      G09409548Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 3.2. Fit screw on sprocket. Use an extension if necessary due to the very high tightening torque -1-  . Counter at the vibration balancer using the change-over ratchet. Tighten the screw in two stages. → Initial tightening: 20 Nm (15 ft lbs.);  final tightening (torque angle) → Torque angle: 90° 
  4. Fit oil pump sprocket cover.
    1. 4.1. Slide in sprocket cover in an upward direction. The top hole is open. Screw is still fitted, but loosened.
      Fig 5: Sliding Sprocket Cover - Top Threaded Joint On Sprocket Cover
      G09409549Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 4.2. Tighten the top screw -1-  using an open-ended wrench (tighten slightly by hand). Fit the two remaining screws. -2 and 3- 
      Fig 6: Tightening Sprocket Cover Mounting Screw
      G09409550Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  5. Check that the tensioning rail and drive chain are positioned correctly.