Wheel Alignment - Subaru 2009 IMPREZA Service Manual

Wheel Alignment

FRONT SUSPENSION
2. Wheel Alignment
A: INSPECTION
Check the following items before performing the wheel alignment measurement.
• Tire inflation pressure
• Uneven wear of RH and LH tires, or difference of sizes
• Tire runout
• Excessive play and wear of ball joint
• Excessive play and wear of tie-rod end
• Excessive play of wheel bearing
• Right and left wheel base imbalance
• Deformation and excessive play of steering link
• Deformation and excessive play of suspension parts
Check, adjust and measure the wheel alignment in accordance with the procedures indicated in the figure.
Wheel arch height (front and rear wheels)
<Ref. to FS-8, WHEEL ARCH HEIGHT, INSPECTION, Wheel Alignment.>
Camber (front and rear wheels)
<Ref. to FS-9, CAMBER, INSPECTION, Wheel Alignment.>
Caster (front wheel)
<Ref. to FS-11, CASTER, INSPECTION, Wheel Alignment.>
Steering angle
<Ref. to FS-11, STEERING ANGLE, INSPECTION, Wheel Alignment.>
Front wheel toe-in
<Ref. to FS-11, FRONT WHEEL TOE-IN, INSPECTION, Wheel Alignment.>
Rear wheel toe-in
<Ref. to FS-12, REAR WHEEL TOE-IN, INSPECTION, Wheel Alignment.>
Thrust angle
<Ref. to FS-14, THRUST ANGLE, INSPECTION, Wheel Alignment.>
FS-7