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HOMESERVICE MANUALSSUBARU2016LEGACY 2.5IREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 2 (ENGINE MECHANICAL (H6DO))ENGINE ASSEMBLYREMOVAL
2016 Subaru Legacy 2.5i

Engine Assembly: Removal

2016 Subaru Legacy 2.5iSECTION Removal
WARNING: This page is about a different variant/trim than selected.
  1. Fully open the front hood. < Ref. to FRONT HOOD DAMPER STAY , NOTE, Repair Contents. >
  2. Remove the collector cover.
    1. Carefully pull up the rear of collector cover at two positions (A).
    2. Carefully pull up the front of collector cover at two positions (B) while moving it forward.
      Fig 1: Removing Collector Cover
      G10263528Courtesy of SUBARU OF AMERICA, INC.
  3. Collect the refrigerant. < Ref. to PROCEDURE , Refrigerant Recovery Procedure. >
  4. Release the fuel pressure. < Ref. to RELEASING OF FUEL PRESSURE , PROCEDURE, Fuel. >
  5. 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.
  6. Disconnect the ground terminal from battery sensor. < Ref. to BATTERY , NOTE, Repair Contents. >
  7. Remove the air intake duct. < Ref. to REMOVAL , Air Intake Duct. >
  8. Remove the air intake boot. < Ref. to REMOVAL , Air Intake Boot. >
  9. Remove the air cleaner case (rear) together with the air cleaner element. < Ref. to REMOVAL , Air Cleaner Case. >
  10. Remove the radiator. < Ref. to REMOVAL , Radiator. >
  11. Disconnect the connector (A) and terminal (B) from the generator.
  12. Disconnect the connector (C) and connector (D) from the A/C compressor.
  13. Remove the harness cover (E) from the collector cover bracket.
  14. Remove the clip (F) from the fuel pipe protector (LH), and move the generator cord to the left side wheel apron.
    Fig 2: Identifying Generator Connector And Terminal With Clip
    G10263603Courtesy of SUBARU OF AMERICA, INC.
  15. Disconnect the A/C pressure hoses from A/C compressor. < Ref. to REMOVAL , Hose and Pipe. >
  16. Disconnect the brake booster vacuum hose.
    Fig 3: Locating Brake Booster Vacuum Hose Clamp
    G10263914Courtesy of SUBARU OF AMERICA, INC.
  17. Disconnect the heater inlet hose (A) and the heater outlet hose (B).
    Fig 4: Identifying Heater Inlet And Outlet Hose
    G10263915Courtesy of SUBARU OF AMERICA, INC.
  18. Disconnect the engine harness connector (A) from the main fuse box, and remove the engine harness from the claw (B) of the main fuse box.
  19. Remove the engine harness from the clip (C) and move the engine harness to the engine side.
    Fig 5: Identifying Engine Harness Connector, Clip And Claw
    G10263916Courtesy of SUBARU OF AMERICA, INC.
  20. While pressing the area (A) shown in the figure, move the lock lever (B) in the direction of the arrow to disconnect the engine harness connector from ECM.
    Fig 6: Moving Lock Lever
    G10262520Courtesy of SUBARU OF AMERICA, INC.
  21. Lift up the vehicle.
  22. Remove the front exhaust pipe. < Ref. to REMOVAL , Front Exhaust Pipe. >
  23. Disconnect the ground cable on the engine side.
    Fig 7: Locating Ground Cable Bolts
    G10263918Courtesy of SUBARU OF AMERICA, INC.
  24. Remove the bolts and nuts which hold the lower side of transmission to the engine.
    Fig 8: Locating Engine Transmission Lower Side Nuts And Bolts
    G09480208Courtesy of SUBARU OF AMERICA, INC.
  25. Lower the vehicle.
  26. Remove the starter. < Ref. to REMOVAL , Starter. >
  27. Separate the torque converter clutch from the drive plate.
    1. Remove the service hole plug.
      Fig 9: Locating Service Hole Plug
      G10263572Courtesy of SUBARU OF AMERICA, INC.
    2. Insert the wrench into the crank pulley bolt, and rotate the crank pulley to remove the four bolts securing the torque converter clutch to the drive plate.
    3. Attach the ST to the torque converter clutch case.

      ST 498277200 STOPPER SET

      Fig 10: Attaching ST To Torque Converter Clutch Case
      G06654366Courtesy of SUBARU OF AMERICA, INC.
  28. Disconnect the fuel delivery tube and evaporation hose.
    CAUTION:
    • Be careful not to spill fuel.
    • Catch the fuel from the tubes using a container or cloth.
    1. Remove the clip (A) securing the fuel delivery tube.
    2. Attach ST to the fuel pipe assembly and push ST in the direction of arrow mark to disconnect the quick connector of the fuel delivery tube (B).

      ST 42099AE000 QUICK CONNECTOR RELEASE

    3. Disconnect the evaporation hose (C) from the fuel pipe assembly.
      Fig 11: Disconnecting Fuel Delivery Tube Quick Connector Using Quick Connector Release (ST 42099AE000)
      G10263541Courtesy of SUBARU OF AMERICA, INC.
  29. Remove the throttle body. < Ref. to REMOVAL , Throttle Body. >
  30. Disconnect the sensor harness connector.
    Fig 12: Locating Sensor Harness Connector
    G10263923Courtesy of SUBARU OF AMERICA, INC.
  31. Remove the engine harness connector (A) from the engine hanger bracket, and remove the engine hanger bracket.
    Fig 13: Locating Engine Hanger Bracket Bolts
    G10263924Courtesy of SUBARU OF AMERICA, INC.
  32. Remove the collector cover bracket from the intake manifold.
    Fig 14: Identifying Collector Cover Bracket And Intake Manifold With Bolt
    G10263925Courtesy of SUBARU OF AMERICA, INC.
  33. Disconnect the engine harness connector.
    NOTE: This procedure is required to prevent the ST from contacting with the connectors in the next step.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.