Lock Nut to Steering Knuckle

Wheel Bearing · Brakes, Wheels, Tires

Safety critical fastener

Source: Porsche 911 Workshop Manual, Section 6 (Front and Rear Brakes), page 543 (Tightening Torques for Front and Rear Brakes); Porsche Technical Specifications (WKD 422 720, 78-81 Models, and WKD 423110, 82-83 Models), both stating 15 Nm directly for this position ("Nut on steering knuckle")