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Oil Pump: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the ground cable from battery.
  2. Remove the radiator. Refer to COOLING (STI)>RADIATOR>REMOVAL .
  3. Lift up the vehicle.
  4. Remove the bolt (B) which secures oil cooler pipe (A) to oil pump.
  5. Remove the oil cooler pipe (A) and hose (C).
    G06334576Courtesy of SUBARU OF AMERICA, INC.
  6. Lower the vehicle.
  7. Remove the crankshaft position sensor. Refer to FUEL INJECTION (FUEL SYSTEMS) (STI)>CRANKSHAFT POSITION SENSOR>REMOVAL .
  8. Remove the water pump. Refer to COOLING (STI)>WATER PUMP>REMOVAL .
  9. Remove the crank sprocket. Refer to MECHANICAL (STI)>CRANK SPROCKET>REMOVAL .
  10. Remove the bolts which install oil pump onto cylinder block.
    NOTE: When disassembling and checking the oil pump, loosen the relief valve plug before removing the oil pump.
    G04989768Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the oil pump from cylinder block using a crowbar.
    CAUTION: Be careful not to scratch mating surfaces of cylinder block and oil pump.
    G10265432Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the front oil seal from the oil pump.
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