WM 1348TW Tightening Torques For Engine - Crank Drive, Pistons (Turbo Coupe, Turbo CABRIO, Gt3, Gt2, Gt3 RS): Information
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CRANK DRIVE TIGHTENING TORQUES SPECIFICATIONS
| Designation | Thread | Method | Value | Validity | Note | |
|---|---|---|---|---|---|---|
| M97/70 and M97/70S | M97/76 | |||||
| Pulley to crankshaft | M14 x 1.5 | Torque | 170 Nm (126 ftlb.) | X | Replace screw | |
| Pulley (steel) to crankshaft | M14 x 1.5 | Torque | 250 Nm (185 ftlb.) | X | Replace screw | |
| Pulley (aluminum) to crankshaft | M14 x 1.5 | Torque | 170 Nm (126 ftlb.) | X | Replace screw | |
| Flywheel to crankshaft | M10 - 12.9 | Torque | 85 Nm (63 ftlb.) | X | X | Dual-mass flywheel |
| Flywheel to crankshaft | M10 - 12.9 | Torque | 90 Nm (67 ftlb.) | X | Single-mass flywheel | |
| Connecting rod bolts | M9 x 1.25 | Initial tightening | 30 Nm (22 ftlb.) | X | Replace screws | |
| Connecting rod bolts | M9 x 1.25 | Torque angle | 90° | X | ||
| Connecting rod bolts | M10 x 1.25 | Initial tightening | 30 Nm (22 ftlb.) | X | Always observe: → 1344IN MOUNTING SPECIFICATION FOR CONNECTING ROD BOLTS - GT3/GT3 RS - |
|
| Connecting rod bolts | M10 x GT3 1.25 | Torque angle | 60° | X | ||