Front Ball Joint: Installation

Install the ball joint assembly to the housing assembly - front axle.
CAUTION:
- Do not apply grease to the tapered portion of ball stud.
- Before tightening, make sure the bottom surface of the housing assembly - front axle and the stepped section of ball joint are in contact.
Fig 1: Locating Bolts Of Ball Joint To Housing Assembly - Front Axle
Courtesy of SUBARU OF AMERICA, INC.

Tightening torque:

50 N.m (5.10 kgf-m, 36.9 ft-lb)
Install the ball joint assembly to the front arm assembly.
1. Connect the ball joint assembly to the front arm assembly.
  Tightening torque:
  
  39 N.m (3.98 kgf-m, 28.8 ft-lb)
2. Retighten the castle nut further up to 60° until the hole in the ball stud is aligned with a slot in castle nut.
3. Insert a new cotter pin and bend it around the castle nut.
Install the clamp - stabilizer bushing.
CAUTION: Install the clamp - stabilizer bushing with the arrow mark facing the front of the vehicle.

Fig 2: Identifying Clamp Of Stabilizer Bushing Bolts Dimension
Courtesy of SUBARU OF AMERICA, INC.

Tightening torque:

25 N.m (2.55 kgf-m, 18.4 ft-lb)
Install the front wheels.
Tightening torque:

120 N.m (12.24 kgf-m, 88.5 ft-lb)