Crankshaft, Belt Drive, Belt Tensioner, Flywheel

Belt tensioner: 

Belt tensioner

1. Internal Torx screw, M8 x 60> Tightening torque 27 Nm (20 ftlb.) 
2. Internal Torx screw, M8 x 26> Tightening torque 27 Nm (20 ftlb.) 
3. Internal Torx screw, M8 x 33 > Tightening torque 23 Nm (17 ftlb.) 
4. Belt tensioner bracket
5. Screw, M8 x 50 > Tightening torque 33 Nm (24 ftlb.) 
6. Screw, M6 x 20 > Tightening torque 13 Nm (9.5 ftlb.) 

Without Position  > Tightening torque 45 Nm (33 ftlb.) 

Vibration damper, belt tensioner: 

Overview of components - CRANK DRIVE, PISTONS

1. Internal Torx screw, M8 x 26
2. Internal Torx screw, M8 x 60
3. Belt tensioner
4. Screw, M8 x 50
5. Belt tensioner bracket
6. Vibration damper
7. External Torx screw, M8 x 1 x 25 - replace screws
8. Tensioning roller
9. Cap

Console with deflection roller: 

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Overview of parts

1. Deflection roller console
2. Deflection roller
3. External Torx screws (M8) on unit carrier > Tightening torque 23 Nm (17 ftlb.) 
4. External Torx screw (M6) on crankcase > Tightening torque 13 Nm (9.5 ftlb.) 

Deflection roller: 

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Deflection roller with screw

1. Deflection roller
2. Screw, M10 x 45 > Tightening torque 45 Nm (33 ftlb.) 

Tightening sequence for vibration damper: 

Tightening sequence for vibration damper (view of 2.0 l version)

1-6  Screw, M8 x 1 x 25 - replace screws, observe tightening sequence  > Initial tightening 3 Nm (2 ftlb.)  > Initial tightening 8 Nm (6 ftlb.)  > Torque angle 90° +/- 5° 

Flywheel: 

Flywheel for manual transmission and Porsche Doppelkupplung (PDK)

1. Flywheel for manual transmission
2. Screw, M10 x 1 x 29 (both)> Initial tightening 25 Nm (19 ftlb.)  > Final tightening torque angle 120° 
3. Flywheel for Porsche Doppelkupplung (PDK)