Disassembling and assembling crankcase halves
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
REMOVAL & INSTALLATION - CRANKCASE HALVES
| No. | Designation | Qty. | Removal | Installation |
|---|---|---|---|---|
| 1 | Fastening screw for bearing housing M9x1 150 | 1 | Tighten only after the cylinder heads have been fastened. Tightening torque 22 Nm (16 ftlb.) | |
| 2 | O-ring 12 x 2 | 1 | Always replace | |
| 3 | Fastening screw for bearing housing M9 x 94 | 1 | Tighten only after the cylinder heads have been fastened. Tightening torque 22 Nm (16 ftlb.) | |
| 4 | O-ring | 1 | Always replace | |
| 5 | Fastening screw for bearing housing | 1 | Tighten only after the cylinder heads have been fastened. Tightening torque 22 Nm (16 ftlb.) | |
| 6 | Plug for assembly bore of piston pin M27 x 2 | 1 | Tightening torque 80 Nm (59 ftlb.) | |
| 7 | Sealing ring A27 x 32 | 1 | Always replace | |
| 8 | Hexagon head bolts for joining the crankcase halves M6 x 35 | 25 | Tightening torque 13Nm (9.5 ftlb.) Refer to assembly instructions for sequence | |
| 9 | Crankcase half, cylinder bank 4 - 6 | 1 | Apply a silicone bead on the sealing surface; see assembly instructions | |
| 10 | Sealing ring | 1 | Replace; fit with insertion tool, special tool 9609 | |
| 11 | Sealing ring | 1 | Replace; fit with assembly sleeve, special tool 9610 | |
| 12 | Dowel sleeve 17 M6 x 18.5 | 4 | ||
| 13 | Seal | 2 | Replace | |
| 14 | Cylindrical pin 12 x 22 | 3 | ||
| 15 | Dowel sleeve | 2 | ||
| 16 | Dowel sleeve | 1 | ||
| 17 | Closure cap | 1 | ||
| 18 | Crankcase half, cylinder bank 1 - 3 | 1 | For disassembly, fasten to engine holder, special tool 9589 | For assembly, fasten to engine holder, special tool 9589 |