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Home >> Subaru >> 2008 >> Outback Base, Automatic >> Repair and Diagnosis >> Steering >> Power Steering >> Power Steering System >> Oil Pump >> Installation >> H4 Model

H4 Model

  1. Install the oil pump to bracket.
    1. Place the oil pump bracket in a vise. Tighten the bushing using a 12.7 mm (1/2") type, 14 and 21 mm box wrench until it is in contact with the oil pump mounting surface.
      CAUTION: When securing the oil pump bracket in a vice, hold the oil pump bracket with the least possible force between two pieces of wood.
      Fig 1: Identifying Bushing, Nut And Bolt
      G05343620Courtesy of SUBARU OF AMERICA, INC.
    2. Tighten the bolts which hold the oil pump to the bracket.

      Tightening torque: 

      15.7 N.m (1.6 kgf-m, 11.6 ft-lb) 

      Fig 2: Locating Oil Pump Bracket Bolts
      G05343614Courtesy of SUBARU OF AMERICA, INC.

      Tightening torque: 

      37.3 N.m (3.8 kgf-m, 27.5 ft-lb) 

      Fig 3: Locating Oil Pump Bracket Bolt
      G05343622Courtesy of SUBARU OF AMERICA, INC.
  2. Attach the installation bolts of the power steering pump bracket.

    Tightening torque: 

    <Ref. to  OIL PUMP  , COMPONENT, General Description.> 

    Fig 4: Locating Power Steering Pump Bracket Bolts
    G05343613Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the pressure hose and suction hose.

    Tightening torque: 

    Eye bolt 

    40 N.m (4.1 kgf-m, 29.5 ft-lb) 

    CAUTION: Be careful when installing; If the hose is twisted it may come into contact with other parts.
    • Non-turbo model
      Fig 5: Identifying Pressure Hose And Suction Hose (Non-Turbo Model)
      G05343624Courtesy of SUBARU OF AMERICA, INC.
    • Turbo model
      Fig 6: Identifying Pressure Hose And Suction Hose (Turbo Model)
      G05343625Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the power steering pressure switch connector.
  5. Install the V-belts to the oil pump.
  6. Check the tension of the V-belt.

    <Ref. to INSPECTION , V-belt.>

  7. Tighten the belt tension bolt.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb) 

  8. Install the pulley belt cover.
  9. Install the air intake duct. <Ref. to INSTALLATION , Air Intake Duct (H4DOTC).> <Ref. to INSTALLATION , Air Intake Duct (H4SO).>
  10. Connect the battery ground cable to the battery.
  11. Fill with the specified power steering fluid. <Ref. to POWER STEERING FLUID . >
    CAUTION: Never start the engine before feeding the fluid otherwise the vane pump might be seized.