Impreza WRX STI F4-2.5L DOHC Turbo (2007)
9) Remove the front hub unit bearing. If it is hard to remove, use STs.
ST1 926470000 AXLE SHAFT PULLER
ST2 28099PA110 AXLE SHAFT PULLER PLATE
INSTALLATION
1) Tighten the front hub unit bearing to the housing with four bolts.
2) Install the front drive shaft.
3) Tighten the axle nut temporarily.
4) Install the disc rotor on hub.
5) Install the disc brake caliper on the housing.
Tightening torque:
78 Nm (8.0 kgf-m, 57.9 ft. lbs.)
6) While depressing the brake pedal, tighten a new axle nut (olive color) to specified torque and lock it securely.
Tightening torque:
220 Nm (22.4 kgf-m, 162 ft. lbs.)
CAUTION:
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Install the wheel after installation of the axle nut. Failure to follow this rule may damage the wheel bearing.
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Do not overtighten it as this may damage wheel bearing.
7) After tightening the axle nut, lock it securely.