Impreza WRX STI 2008 Front Suspension Repair
INSTALLATION
1) Install in the reverse order of removal.
NOTE:
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Use a new bolt and self-locking nut. For parts which are not reusable, refer to "COMPONENT".
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Always tighten the stabilizer bushing in the state where the vehicle is at curb weight and the wheels are in full contact with the ground.
Tightening torque:
Crossmember to body: 95 N-m (9.7 kgf-m, 70.1 ft-lb)
Engine mounting to Crossmember: 85 N-m (8.7 kgf-m, 63 ft-lb)
Front arm to Crossmember: 95 N-m (9.7 kgf-m, 70.1 ft-lb)
Front arm to Support plate: 110 N-m (11.2 kgf-m, 81.1 ft-lb)
Support plate body: 150 N-m (15.3 kgf-m, 110.6 ft-lb)
Tie-rod end to Housing: 27.0 N-m (2.75 kgf-m, 19.9 ft-lb)
After tightening to the specified torque, tighten the castle nut further but within 60° until the hole in the ball stud is aligned with a slot in castle nut.
Tightening torque:
Universal joint: 24 N-m (2.4 kgf-m, 17.4 ft-lb)
Stabilizer bracket: 25 N-m (2.5 kgf-m, 18.4 ft-lb)
Stabilizer link: 45 N-m (4.6 kgf-m, 33.2 ft-lb)
Power steering hose to Steering gearbox: 15 N-m (1.5 kgf-m, 10.8 ft-lb)
2) Purge air from the power steering system.
3) Inspect the wheel alignment and adjust if necessary.
INSPECTION
Check the crossmember for damage or cracks, and correct or replace if defective.