Disassembling And Assembling Crankcase Halves, Engine M96/20, M96/21, M96/22: Notes

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Fig 1: Exploded View Of Crankcase Halves, Engine M96/20, M96/21, M96/22 Components

Courtesy of PORSCHE OF NORTH AMERICA, INC.

ENGINE CRANKCASE DESIGNATION

No.

Designation

Qty.

Removal

Installation

1⁽¹⁾

Fastening screw for bearing housing M9 x 150

Tighten only after the cylinder heads have been fastened

2⁽¹⁾

O-ring 12 x 2

Always replace

3⁽¹⁾

Fastening screw for bearing housing M9 x 94

Tighten only after the cylinder heads have been fastened

4⁽¹⁾

O-ring

Always replace

5⁽¹⁾

Fastening screw for bearing housing

Tighten only after the cylinder heads have been fastened Tightening torque 22 Nm (16 ft.lb)

6⁽¹⁾

Plug for assembly bore of piston pin M27 x 2

Tightening torque 80 Nm (59 ft.lb)

7⁽¹⁾

Sealing ring A27 x 2

Always replace

8⁽¹⁾

Hexagon-head bolt for screwing together crankcase halves M6 x 30

Tightening torque 13 Nm (9.5 ft.lb)

9⁽¹⁾

Crankcase half, cylinder bank 4 - 6

Apply a silicone bead on the sealing surface.

10⁽¹⁾

Sealing ring

Replace; fit with insertion tool, special tool 9609

11⁽¹⁾

Sealing ring

Replace; fit with assembly sleeve, special tool 9610

12⁽¹⁾

Dowel sleeve M6 x 18.5

13⁽¹⁾

Gasket

Replace

14⁽¹⁾

Cylindrical pin 12 x 22

15⁽¹⁾

Dowel sleeve

16⁽¹⁾

Dowel sleeve

17⁽¹⁾

Closure cap

18⁽¹⁾

Crankcase half, cylinder bank 1 - 3

For disassembly, fasten to engine holder, special tool 9589

For assembly, fasten to engine holder, special tool 9589

⁽¹⁾	For explanation see Fig 1.