Locknut (Housing Cover) Assembly Note

1. Temporarily attach the tie rod to the steering rack.
2. Tighten the locknut.

Tightening Torque 

20-29 N.m {2.1-2.9 kgf.cm, 15-21 ft.lbf} 

Fig 1: Installing Steering Rack Locknut

Courtesy of MAZDA MOTORS CORP.