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Home >> Porsche >> 2016 >> Cayenne S >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 10 - Engine - Crankcase, Suspension -- 92AA1 Cayenne 3.6L >> WM, 1001IN Tightening Torques For V6 DFI Engine >> Group 13 >> Component Overview

Component Overview

Fig 1: Exploded View Of Crankshaft
G14735292Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Component overview of crankshaft 

No. Designation Qty. Removal Installation
-1-  Bearing cover 7   Bearing cover 1 on the side of the vibration damper, bearing cover 5 with recess for thrust washers, retaining lugs for bearing shells on the same side
-2-  Bearing cover screws 14   > Initial tightening 30 Nm (22 ftlb.)  > Final Tightening 90°  + > Final Tightening 90° 
-3-  Bearing shells 14 Used bearing shells should be marked with a felt-tip pen (when not replacing). If the bearing shells are replaced, use only identical color markings. Fit used shells at the same position (when not replacing). When replacing bearing shells, use only shells with the same color markings. Retaining lugs for bearing shells on the same side.
-4-  Thrust washer 2   Replace; only in bearing cover 5; check secure attachment, affix with lubricant; lubricating groove facing outwards
-5-  Crankshaft 1 Position the crankshaft so that the sensor wheel does not impinge or become damaged. Replace the sensor wheel for speed measurement
> WM 134819 REMOVING AND INSTALLING CRANKSHAFT (CAYENNE TIP)		 Subsequent work on the crankshaft is not permitted. Replace bearing shells
-6-  Pickup (sensor) wheel 1 Redo test if necessary.
> WM 134819 REMOVING AND INSTALLING CRANKSHAFT (CAYENNE TIP)		 Redo test if necessary.
> WM 134819 REMOVING AND INSTALLING CRANKSHAFT (CAYENNE TIP)
-7-  Fastening screws 3 Replace
> WM 134819 REMOVING AND INSTALLING CRANKSHAFT (CAYENNE TIP)		 Replace
> WM 134819 REMOVING AND INSTALLING CRANKSHAFT (CAYENNE TIP)
-8-  Oil spray jet For crankshaft bearings 2 to 7 If the oil circuit is dirty, replacement is essential. Opening pressure 2 bars. Push in and out (by hand) using a suitable mandrel. Push in and out (by hand) using a suitable mandrel.
  1. Install cylinder head.
    Fig 2: Cylinder Head Tightening Sequence
    G14735293Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cylinder head 

    1-6  Pistons of cylinders 1 - 6

    1-20  Tightening sequence for cylinder-head screws > Initial tightening 15 Nm (11 ftlb.)  > Tightening torque 30 Nm (22 ftlb.)  > Torque angle 180° 

  2. Fit timing chains.

    > WM 153519 REMOVING AND INSTALLING TIMING CHAIN (CAYENNE GTS, CAYENNE S, CAYENNE TURBO & CAYENNE TURBO S)

    G14735294Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Component overview for timing chains 

    1. Timing chain housing
    2. Oval-head screw on timing chain housing > Tightening torque 8 Nm (6 ftlb.) 
    3. Timing chain
    4. Outlet camshaft controller (marking 32 A)
    5. Sealing ring
    6. Oil pump
    7. Fastening screw on oil pump > Tightening torque 8 Nm (6 ftlb.) 
    8. Tensioning rail
    9. Chain tensioner on timing chain > Tightening torque 40 Nm (30 ftlb.) 
    10. Sealing ring (A22 x 27), always replace 
    11. Bearing pin on guide rail > Tightening torque 10 Nm (7.5 ftlb.) 
    12. Sprocket
    13. Drive wheel for timing chain
    14. Hexagon-head bolt > Initial tightening 60 Nm (44 ftlb.)  > Torque angle 90° 
    15. Chain tensioner for drive chain
    16. Drive gear wheel for drive chain
    17. Drive chain
    18. Guide rail for drive chain
    19. Bolt for guide rail > Tightening torque 10 Nm (7.5 ftlb.) 
    20. Fastening screw on guide rail > Tightening torque 20 Nm (15 ftlb.) 
    21. Hexagon-head bolt on guide rail > Tightening torque 23 Nm (17 ftlb.) 
    22. Hexagon-head bolts on camshaft controllers > Initial tightening 60 Nm (44 ftlb.)  > Torque angle 90° 
    23. Guide rail for timing chain
    24. Drive gear wheel for high-pressure pump
    25. Intake camshaft controller (marking 24 E)
    26. Valve for outlet camshaft controller
    27. Valve for intake camshaft controller
    28. Guide rail
    Location Description Type Basic value Tolerance
    Screws for hydraulic valve   Tightening torque 4 Nm (3 ftlb.)  
    G14735295Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Hydraulic valve on camshaft adjuster 

  3. Fit chain housing cover at the top and bottom.
    1. Install lower chain housing cover.
      G14735296Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Crankshaft joint flange 

      1. Cylinder block
      2. Vibration balancer joint flange
      3. Hexagon-head bolt on vibration balancer joint flange
      4. Straight pin, M8 x 18
      5. Lower chain housing cover
      6. Hexagon-head bolt on lower chain housing cover > Tightening torque 10 Nm (7.5 ftlb.) 
    2. Install upper chain housing cover.
      G14735297Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Removing and installing vacuum pump 

      1. Drive shaft
      2. Upper chain housing cover
      3. Oval-head  screw > Tightening torque 8 Nm (6 ftlb.) 
      4. Oval-head screw on vacuum pump > Tightening torque 8 (6 ftlb.) Nm 
      5. Seal
      6. Sealing ring
  4. Install oil pan.

    > WM, 175019 REMOVING AND INSTALLING OIL PAN

    G14735298Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Removing and installing upper timing chain housing cover 

    1-25  Hexagon-head bolts on oil pan > Tightening torque 12 Nm (9 ftlb.) 

  5. Install cylinder head cover.
    G14735299Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Removing and installing valve cover seal 

    1. Cylinder head cover
    2. Cylinder-head gasket
    3. Fastening screw on cylinder head cover > Tightening torque 10 Nm (7.5 ftlb.) 
    4. Cover
    Fig 3: Cylinder Head Cover Tightening Sequence
    G14735300Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Tightening sequence for cylinder head cover 

  6. Install fuel distributor pipe and fuel injectors.

    > WM, 243019 REMOVING AND INSTALLING FUEL DISTRIBUTOR PIPE (FUEL RAIL) ON DFI ENGINES

    G14735301Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Fuel distributor pipe for cylinders 

    1. Fuel low-pressure line > Tightening torque 22 Nm (16 ftlb.)  > Tightening torque 35 Nm (26 ftlb.) 
    2. Cheese head bolts on fuel distributor pipe > Initial tightening 30 Nm (22 ftlb.)  > Torque angle 90° 
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