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Home >> Subaru >> 2016 >> WRX Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Lubrication System (WRX-STI)) >> Oil Pump >> Removal

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. < Ref. to REMOVAL , Radiator. >
  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).
    Fig 1: Identifying Oil Cooler Pipe, Hose And Bolt
    G06334576Courtesy of SUBARU OF AMERICA, INC.
  6. Lower the vehicle.
  7. Remove the crankshaft position sensor. < Ref. to REMOVAL , Crankshaft Position Sensor. >
  8. Remove the water pump. < Ref. to REMOVAL , Water Pump. >
  9. Remove the crank sprocket. < Ref. to REMOVAL , Crank Sprocket. >
  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.
    Fig 2: Loosening Relief Valve Plug
    G04997725Courtesy 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.
    Fig 3: Removing Oil Pump From Cylinder Block Using Crowbar
    G10265432Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the front oil seal from the oil pump.
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