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Removing And Installing Crankcase And Bearing Housing With Crankshaft: Removal

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  1. Detach thrust plate or flywheel. Fasten toothed segment (special tool 9538/1) on the crankcase half (cylinder bank 1 - 3) with hexagon-head bolt M12 x 50.
    Fig 1: Installing Toothed Segment (Special Tool 9538/1)
    G03092167Courtesy of PORSCHE OF NORTH AMERICA, INC.
  2. Detach thrust plate and remove with drive plate. Detach and remove the flywheel.
  3. Clamp crankcase. Fasten engine holder, special tool 9589, to the crankcase half of cylinder bank 1 - 3.
    Fig 2: Installing Special Tool 9589 To Crankcase Half
    G03092168Courtesy of PORSCHE OF NORTH AMERICA, INC.
  4. Turn primary chain tensioner out of the crankcase (cylinder bank 4 - 6).
    Fig 3: Locating Primary Chain Tensioner
    G03092169Courtesy of PORSCHE OF NORTH AMERICA, INC.
  5. Loosen belt pulley. Undo hexagon-head bolt (M16 x 1.5 x 60) with special tool (socket wrench insert 9594); to do this, hold with holding device (special tool 9593).
    Fig 4: Loosening Belt Pulley
    G03092170Courtesy of PORSCHE OF NORTH AMERICA, INC.
  6. Undo intermediate shaft flange. Unscrew the three fastening screws M6 x 20 on the intermediate-shaft flange. Undo the locknut using the socket wrench, special tool 9110. For this purpose, hold with a slotted screwdriver 7.0 x 1.1 at the slotted threaded pin.
    Fig 5: Installing Special Tool 9110 On Intermediate Shaft Flange
    G03092171Courtesy of PORSCHE OF NORTH AMERICA, INC.
  7. Remove coolant guide housing.
    Fig 6: Removing Coolant Guide Housing
    G03092172Courtesy of PORSCHE OF NORTH AMERICA, INC.
  8. Undo fastening screws between crankcase half of cylinder bank 1-3 and bearing housing.
    Fig 7: Locating Fastening Screws Between Crankcase Half Of Cylinder Bank 1-3
    G03092173Courtesy of PORSCHE OF NORTH AMERICA, INC.
    Fig 8: Removing Crankcase Screws
    G03092174Courtesy of PORSCHE OF NORTH AMERICA, INC.
  9. Undo fastening screw between crankcase half of cylinder bank 4-6 and bearing housing.
    Fig 9: Locating Fastening Screws Between Crankcase Half Of Cylinder Bank 4-6
    G03092175Courtesy of PORSCHE OF NORTH AMERICA, INC.
    Fig 10: Removing Fastening Screws Between Crankcase Half Of Cylinder Bank 4-6
    G03092176Courtesy of PORSCHE OF NORTH AMERICA, INC.
  10. Turn crankcase by 180°. Undo oil pan fastening screws (M6 x 16, 13 ea.). Detach oil pan by tapping it at the sides with a plastic hammer. Remove air-oil separator. See REMOVING AND INSTALLING AIR/OIL SEPARATOR .
  11. Turn crankcase 90° further. Crankcase half of cylinder bank 4 - 6 faces upward. Undo hexagon-head bolts (M6 x 35, 25 ea.) joining the crankcase halves.
  12. Carefully lift the crankcase half up and off. Do not tilt - this might damage the pistons.
    Fig 11: Lifting Crankcase
    G03092177Courtesy of PORSCHE OF NORTH AMERICA, INC.
  13. Mark pistons. Lever off front piston pin circlip. Push out piston pin.
    Fig 12: Pushing Out Piston Pin
    G03092178Courtesy of PORSCHE OF NORTH AMERICA, INC.
  14. Fasten assembly fixture (special tool 9607) on the bearing housing with two M10 x 20 hexagon-head bolts.
    Fig 13: Installing Special Tool 9607 On The Bearing Housing
    G03092179Courtesy of PORSCHE OF NORTH AMERICA, INC.