Front Hub Unit Bearing: Installation

Place the disc cover between housing (A) and front hub unit, and tighten the four bolts.

Fig 1: Locating Housing Bolts
Courtesy of SUBARU OF AMERICA, INC.

Tightening torque:

65 N.m (6.63 kgf-m, 47.9 ft-lb)
Install the front drive shaft. < Ref. to INSTALLATION , Front Drive Shaft. >
Tighten the axle nut temporarily.
Install the disc rotor to hub.
Install the disc brake caliper on the housing.
Tightening torque:

80 N.m (8.16 kgf-m, 59.0 ft-lb)
Install the front ABS wheel speed sensor on the housing.
Tightening torque:

7.5 N.m (0.76 kgf-m, 5.5 ft-lb)
While depressing the brake pedal, tighten a new axle nut to the specified torque and lock it securely.
CAUTION:
- Do not install wheel and let it touch the ground before tightening the axle nut. Failure to follow this rule may damage the axle bearing.
- Do not overtighten the nuts as this may damage the axle bearing.
Tightening torque:

220 N.m (22.43 kgf-m, 162.3 ft-lb)
After tightening the axle nut, lock it securely.

Fig 2: Locking Axle Nut
Courtesy of SUBARU OF AMERICA, INC.
Install the wheel.
Tightening torque:

100 N.m (10.20 kgf-m, 73.8 ft-lb)