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Assembly instructions

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Tightening sequence for thrust-bearing screws

Fig 1: Thrust-Bearing ScrewTightening Sequence
G03099674Courtesy of PORSCHE OF NORTH AMERICA, INC.

Screws, bearing housing 

Initial tightening: 25 Nm (19 ftlb.)

Final tightening: 1 x 90° turn

  1. Use special tool, assembly fixture 9607, for disassembly and assembly of the bearing housing, crankshaft and connecting rods of cylinder bank 4 - 6.
    Fig 2: Identifying Assembly Fixture 9607
    G03099675Courtesy of PORSCHE OF NORTH AMERICA, INC.
  2. Fasten bearing housing on the assembly fixture with two M10 x 20 hexagon-head bolts. Tighten hexagon-head bolts only slightly.
    Fig 3: Tightening Hexagon-Head Bolts Only Slightly
    G03099676Courtesy of PORSCHE OF NORTH AMERICA, INC.
  3. Additionally fasten the assembly fixture on the workbench using C-clamps.
    Fig 4: Identifying Assembly Fixture On Workbench
    G03099677Courtesy of PORSCHE OF NORTH AMERICA, INC.
  4. Place and fasten the bearing housing half of cylinder bank 4-6 on the special tool for assembly.
    Fig 5: Placing Bearing Housing Half Of Cylinder Bank 4-6 On Special Tool
    G03099678Courtesy of PORSCHE OF NORTH AMERICA, INC.

Arrangement of the main thrust bearings on the bearing housing.

Fig 6: Identifying Arrangement Of Main Thrust Bearings On Bearing Housing
G03099679Courtesy of PORSCHE OF NORTH AMERICA, INC.

Main on the belt pulley side: thrust bearing 1

Main on the flywheel side: thrust bearing 7

Arrangement of the connecting-rod bearings in the bearing housing.

Fig 7: Identifying Arrangement Of Connecting-Rod Bearings In Bearing Housing
G03099680Courtesy of PORSCHE OF NORTH AMERICA, INC.

Connecting-rod on the belt pulley side: bearing of cylinder 1

Connecting-rod on the flywheel side: bearing of cylinder 6