2.5 L Model

Install oil pump to bracket.
1. Place oil pump bracket in a vise. Tighten bushing using a 12.7 mm (1/2") type 14- and 21-mm box wrench until it is in contact with oil pump mounting surface.
  CAUTION: Do not place oil pump bracket directly in the vise; use soft pads and hold oil pump lightly to protect the pump.
  
  Fig 1: Installing Oil Pump To Bracket
  Courtesy of SUBARU OF AMERICA, INC.
2. Tighten bolt which installs oil pump and switch bracket to bracket.
  1. Tightening torque: 37.3 N.m (3.8 kgf-m, 27.5 ft-lb)
    
    Fig 2: Installing Oil Pump & Switch Bracket To Bracket Tightening Bolts
    Courtesy of SUBARU OF AMERICA, INC.
  1. Tightening torque: 15.7 N.m (1.6 kgf-m, 11.6 ft-lb)
    
    Fig 3: Tightening Bolts
    Courtesy of SUBARU OF AMERICA, INC.
Install socket to oil pump.
1. Tightening torque: 6.5 N.m (0.66 kgf-m, 4.8 ft-lb)
Fig 4: Installing Socket To Oil Pump Tightening Bolts
Courtesy of SUBARU OF AMERICA, INC.
Tighten bolts which install power steering pump bracket.
1. Tightening torque: 22 N.m (2.2 kgf-m, 15.9 ft-lb)
Fig 5: Installing Power Steering Pump Bracket Tightening Bolts
Courtesy of SUBARU OF AMERICA, INC.
Interconnect pipes C and suction hose.
1. Tightening torque:
  1. Joint nut
    1. 39.2 N.m (4 kgf-m, 28.9 ft-lb)
CAUTION: If a hose is twisted at this step, the hose may come into contact with some other parts.

Fig 6: Locating Pipes C & Suction Hose
Courtesy of SUBARU OF AMERICA, INC.
Connect connector to power steering oil pressure switch.
Install pulley belt to oil pump.
Check pulley belt tension. Refer to REMOVAL , V-belt and REMOVAL , V-belt.
Tighten lock bolt.
1. Tightening torque: 24.5 N.m (2.5 kgf-m, 18.1 ft-lb)
Tighten bolt belt tension.
1. Tightening torque: 8 N.m (0.8 kgf-m, 5.8 ft-lb)
Install pulley belt cover bracket.
Connect ground terminal of battery.
Feed the specified power steering fluid < Refer to POWER STEERING FLUID .
CAUTION: Never start the engine before feeding the fluid; otherwise vane pump might be seized up.