Lubrication · Transmission
| System | Transmission |
| Subsystem | Lubrication |
| Assembly | Front Cover |
| Thread | M12x1.5 |
| Grade | 9 S 20 K |
| Years | 1972–1981 |
| Vehicles | 911SC, 911T/E/S |
| Confidence | Factory Verified |
Source: Porsche 911 Workshop Manual, Section 3 (Transmission), page 312 (Tightening Torques, Type 915 Manual Transmission)