Steering System (Power Steering): Inspection: Gearbox

Set the steering wheel in the straight position, then rotate it 90° in both the left and right directions. While steering wheel is being rotated, check the gearbox for looseness.
Tightening torque:

60 N.m (6.1 kgf-m, 44.3 ft-lb)

Fig 1: Locating Gearbox Bolts
Courtesy of SUBARU OF AMERICA, INC.
Check the boot for damage, cracks or deterioration.
With the vehicle stopped on a level surface, quickly turn the steering wheel to the left and right. While steering wheel is being rotated, check the gear backlash. If any noise is noticed, adjust the gear backlash. Refer to GEARBOX BACKLASH ADJUSTMENT (SERVICING ON VEHICLE) PS-59, GEARBOX BACKLASH ADJUSTMENT (SERVICING ON VEHICLE), ADJUSTMENT, Steering Gearbox.