Installing Crankcase Half For Cylinders 1 To 3
- Risk of eye injuries
- Risk of bruising
→ Wear personal protective gear.
→ Secure components to prevent them from falling off suddenly.
Information
- The correct assembly position is clearly visible.
- Replace screws in crankcase half.
Use > 9786 - protective sleeve for fitting the sealing washer!
Through bolt, sealing washer and protective sleeve
1 Screw 2 Protective sleeve 9786 3 Sealing washer Information
- The sealing faces of the crankcase halves must be completely free of oil, grease and burrs before applying sealant.
- Apply a bead of sealant with a diameter of no more than 1 mm. Always apply sealant to the required area only.
- Join the crankcase halves within max. 5 minutes of applying the bead of sealant.
- Apply Dobotech sealant (Part No. 000.043.207.31) on crankcase half for cylinders 4 - 6.
Carefully apply a continuous bead of sealant -arrow 1- with a diameter of 1 mm.
Remove residual silicone in the crankshaft flange area following installation -arrow 2- .
Applying sealant on crankcase half for cylinders 4 - 6
Information
- If necessary , > P221 - restraining straps can be used. Only fix two connecting rods in place in this case. Hold the third connecting rod when fitting the crankcase half.
- Fit rubber sleeves on connecting rods for cylinders 1 - 3 (> 9795 - assembly aid ) and position vertically.
- Fit and grease new O-ring on sealing face of crankcase half for cylinders 4 - 6.
Information
The help of another person is required.
- Fit crankcase half for cylinders 1 - 3 on crankcase half for cylinders 4 - 6.
- Fit through bolts -1 to 14-
and tighten according to the specified tightening torque and sequence.
> Initial tightening 5 Nm (3.5 ftlb.)
> Initial tightening 15 Nm (11 ftlb.)
> Initial tightening 50 Nm (37 ftlb.)
> Loosening 0 Nm (0 ftlb.)
> Initial tightening 5 Nm (3.5 ftlb.)
> Tightening torque 15 Nm (1 ftlb.)
> Torque angle 75°
> Torque angle 75°
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Through-bolt screws on crankcase
- Fit screws -15 to 32-
for cross bolt connection and tighten according to the specified tightening sequence.
M6: > Tightening torque 13 Nm (9.5 ftlb.)
M8: > Tightening torque 33 Nm (24 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Outer cross bolt connection
- > 9590 - Mounting parts
for securing crankcase half for cylinders 1 - 3 to the engine support must now be screwed in and tightened.
1001 IN TOOLS FOR REMOVING UNITS AND WORKING ON THE ENGINE ASSEMBLY SUPPORT