Cayenne Turbo S (9PA) V8-4.5L Turbo (2006)
8. Then fit connecting-rod bearing cap with bearing shell (twist locks facing each other) Retaining lugs for connecting-rod bearings -B and C-. The
connecting rod numbers must face each other.
9. Fit the opposite piston (cylinders 1 and 4).
10. Fit other pistons using the procedure described above.
11. Turn crankcase on the assembly support until the crankshaft is on top.
12. Tighten con-rod bolts that have been replaced. Turn the crankshaft until the corresponding crank pin is pointing vertically upwards. Tighten bolts
with a multiple-tooth socket Initial tightening 1: 6 ft-lb. Initial tightening 2: 15 ft-lb. Initial tightening 3: 30 ft-lb. Torque angle (final tightening):
90°.
13. Once all pistons have been correctly fitted and secured, turn the crankshaft in a clockwise direction to check it, using a ring wrench (a/f 27). When
doing so, watch out for stiffness and irregularities. If the crankshaft cannot be turned or if it is very stiff, check whether the installation direction
(arrow) of the pistons, the pistons and the cylinders (markings) and the connecting-rod cap and connecting-rod big end all match.
14. Remove holding bridges 9677.
Subsequent work for installing pistons
1. Install lower section of crankcase.
2. Install chain case cover.
3. Install oil pan.
4. Install cylinder head.
5. Install engine.