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Home › Subaru › 2016 › WRX Base › Repair and Diagnosis › External Pages › Different variant/trim › Section 5 (Engine Mechanical (WRX-STI)) › Engine Assembly › Removal

Engine Assembly: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Remove the striker - front hood. < Ref. to DISASSEMBLY , Front Hood. >
  2. Fully open the front hood. < Ref. to FRONT HOOD DAMPER STAY , NOTE, Note. >
  3. Remove the V-belt covers.
    Fig 1: Locating V-Belt
    G06344549Courtesy of SUBARU OF AMERICA, INC.
  4. Collect the refrigerant from A/C system. < Ref. to REFRIGERANT RECOVERY PROCEDURE . >
  5. Release the fuel pressure. < Ref. to RELEASING OF FUEL PRESSURE , PROCEDURE, Fuel. >
  6. Remove the battery. < Ref. to REMOVAL , Battery. >
  7. Open the fuel filler lid and remove the fuel filler cap.
    NOTE: This operation is required to release the inner pressure of the fuel tank.
  8. Remove the air intake duct and air cleaner case (rear). < Ref. to REMOVAL , Air Intake Duct. > < Ref. to REMOVAL , Air Cleaner Case. >
  9. Remove the intercooler. < Ref. to REMOVAL , Intercooler. >
  10. Remove the radiator. < Ref. to REMOVAL , Radiator. >
  11. Remove the coolant filler tank. < Ref. to REMOVAL , Coolant Filler Tank. >
  12. Disconnect the bulkhead harness connectors from the engine harness connectors.
  13. Lift the claw (A) and remove the engine harness connector from the engine harness bracket.
    Fig 2: Locating Engine Harness Bracket
    G10264712Courtesy of SUBARU OF AMERICA, INC.
  14. Disconnect the following connectors and terminals.
    1. Generator connector and terminal
      Fig 3: Locating Generator Connector And Terminal
      G08539185Courtesy of SUBARU OF AMERICA, INC.
    2. Secondary air pump connector
      Fig 4: Locating Secondary Air Pump Connector
      G08539186Courtesy of SUBARU OF AMERICA, INC.
  15. Disconnect connector (A) from the A/C compressor.
  16. Remove the clip (B) securing the generator cord, and move the generator cord to the left side wheel apron.
    Fig 5: Identifying A/C Compressor Connector And Generator Cord Clip
    G08539187Courtesy of SUBARU OF AMERICA, INC.
  17. Disconnect the following hoses.
    1. A/C pressure hose < Ref. to REMOVAL , Hose and Pipe. >
    2. Brake booster vacuum hose (A) and pressure regulator vacuum hose (B)
      Fig 6: Identifying Brake Booster And Pressure Regulator Vacuum Hoses
      G08538635Courtesy of SUBARU OF AMERICA, INC.
    3. Heater inlet hose and heater outlet hose
      Fig 7: Locating Heater Inlet And Outlet Hoses
      G08539189Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the power steering pump.
    1. Remove the front side belt. < Ref. to FRONT SIDE BELT , REMOVAL, V-belt. >
    2. Disconnect the connector from power steering pump switch.
      Fig 8: Locating Power Steering Pump Switch Connector
      G08538645Courtesy of SUBARU OF AMERICA, INC.
    3. Remove the bolt which holds purge control solenoid valve 1 onto intake manifold.
      Fig 9: Locating Purge Control Solenoid Valve Bolt
      G08538991Courtesy of SUBARU OF AMERICA, INC.
    4. Remove the power steering pump from the engine.
      Fig 10: Locating Power Steering Pump
      G10265258Courtesy of SUBARU OF AMERICA, INC.
    5. Place the power steering pump on the right side wheel apron.
  19. Remove the center exhaust pipe. < Ref. to REMOVAL , Center Exhaust Pipe. >
  20. Remove the turbocharger. < Ref. to REMOVAL , Turbocharger. >
  21. Remove the joint pipe and front exhaust pipe. < Ref. to REMOVAL , Joint Pipe. > < Ref. to REMOVAL , Front Exhaust Pipe. >
  22. Disconnect the ground cable on the engine side.
    Fig 11: Locating Engine Side Ground Cable
    G10265259Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the bolts and nuts which hold the lower side of transmission to the engine.
    Fig 12: Locating Transmission Lower Side Bolts And Nuts
    G05002964Courtesy of SUBARU OF AMERICA, INC.
  24. Remove the nuts which secure the engine mounting to the front crossmember.
    Fig 13: Locating Front Crossmember Engine Mounting Nuts
    G10265261Courtesy of SUBARU OF AMERICA, INC.
  25. Lower the vehicle.
  26. Remove the starter. < Ref. to REMOVAL , Starter. >
  27. Separate the clutch release fork from the release bearing.
    NOTE: This procedure is required to remove engine with the release bearing assembled to the clutch cover.
    1. Remove the operating cylinder from the transmission.
      NOTE: Move the removed operating cylinders to a location that does not interfere operation.
      Fig 14: Locating Operating Cylinder Bolts
      G05342354Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the return spring from the release fork.
      Fig 15: Identifying Release Fork And Return Spring
      G07682580Courtesy of SUBARU OF AMERICA, INC.
    3. Remove the service hole plug using a hexagon wrench.
      Fig 16: Removing Service Hole Plug Using Hexagon Wrench
      G04999648Courtesy of SUBARU OF AMERICA, INC.
    4. Attach a 6-mm bolt to the release shaft, and pull out the release shaft.
      Fig 17: Pulling Out Release Shaft
      G10290291Courtesy of SUBARU OF AMERICA, INC.
    5. Lift the release fork, and remove from the tab of the release bearing. Pull the release fork to the engine side, and make it so that it moves freely.
  28. Remove the pitching stopper.
    Fig 18: Locating Pitching Stoppers
    G10265266Courtesy of SUBARU OF AMERICA, INC.
  29. Disconnect the fuel delivery hose, fuel return hose and evaporation hose.
    CAUTION:
    • Be careful not to spill fuel.
    • Catch the fuel from hoses using a container or cloth.
    1. Set the ST to the fuel pipe.

      ST 42099AE000 QUICK CONNECTOR RELEASE

    2. Disconnect the quick connector of the fuel delivery hose and fuel return hose by pushing the ST in the direction of the arrow.
    3. Remove the clip and disconnect the evaporation hose from the fuel pipe.
      Fig 19: Disconnecting Fuel Delivery And Return Hoses Quick Connector
      G10290293Courtesy of SUBARU OF AMERICA, INC.
  30. Install the intercooler stay RH No. 2.

    Tightening torque: 

    16 N.m (1.6 kgf-m, 11.8 ft-lb) 

    Fig 20: Locating Intercooler Stay Bolts
    G10265268Courtesy of SUBARU OF AMERICA, INC.
  31. Support the engine with a lifting device and wire ropes.
    Fig 21: Supporting Engine Using Lifting Device And Wire Ropes
    G04997613Courtesy of SUBARU OF AMERICA, INC.
  32. Support the transmission with a garage jack.
    CAUTION: Be sure to perform this procedure to prevent the transmission from lowering by its own weight.
    Fig 22: Supporting Transmission Using Garage Jack
    G10290296Courtesy of SUBARU OF AMERICA, INC.
  33. Remove the bolts which hold the upper side of the transmission to the engine.
    CAUTION: Before removing the engine away from transmission, check to be sure no work has been overlooked.
    Fig 23: Locating Engine Transmission Lower Side Bolts
    G05335715Courtesy of SUBARU OF AMERICA, INC.
  34. Remove the engine from the vehicle.
    NOTE: Be careful not to damage adjacent parts or body panels with crank pulley, oil level gauge, etc.
    1. Slightly raise the engine.
    2. Raise the transmission with garage jack.
    3. Move the engine horizontally until main shaft is withdrawn from clutch cover.
    4. Slowly move the engine away from engine compartment.
  35. Remove the engine mounting from the engine.
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