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Home >> Subaru >> 2015 >> WRX STI >> Repair and Diagnosis >> Steering >> Power Steering >> Power Steering System >> Oil Pump >> Removal

Oil Pump: Removal

  1. Disconnect the ground cable from battery.
  2. Remove the V-belts (front side belt). <Ref. to REMOVAL , V-belt.>
  3. Disconnect the connector from power steering pump switch.
  4. Disconnect the pressure hose and suction hose from the oil pump.
    CAUTION:
    • Do not allow fluid to come into contact with the pulley belt.
    • To prevent foreign matter from entering the hose and pipe, cover the open ends with clean cloth.
    Fig 1: Identifying Suction And Pressure Hose
    G10270208Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the installation bolt of the power steering pump bracket.
    Fig 2: Removing Installation Bolt Of Power Steering Pump Bracket
    G05343613Courtesy of SUBARU OF AMERICA, INC.
  6. Place the oil pump bracket in a vise, and remove the two bolts from the front side of the oil pump.
    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 3: Locating Oil Pump Bolts
    G05343614Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the bolt from the rear side of oil pump.
  8. Disassemble the oil pump and bracket by inserting a flat tip screwdriver as shown in the figure.
    Fig 4: Removing Oil Pump And Bracket
    G05032995Courtesy of SUBARU OF AMERICA, INC.