Steering Column and Linkage · Front Axle
Safety critical fastener
| System | Front Axle |
| Subsystem | Steering Column and Linkage |
| Assembly | Steering Wheel Attachment |
| Fastener | Nut |
| Thread | M18x1.5 |
| Grade | 8 |
| Years | 1972–1981 |
| Vehicles | 911SC, 911T/E/S |
| Confidence | Factory Verified |
Source: Porsche 911 Workshop Manual, Section 4 (Front Axle and Steering), pages 497-498 (Tightening Torques for Front Axle and Steering)