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Home >> Subaru >> 2015 >> Legacy 2.5i >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Mechanical (H4DO) >> Engine Assembly >> Installation

Engine Assembly: Installation

  1. Apply a small amount of grease to splines of main shaft. (MT model)

    Grease: 

    NICHIMOLY N-130 or equivalent 

  2. Position the engine in engine compartment and align it with transmission.
    NOTE: Be careful not to damage adjacent parts or body panels with crank pulley, oil level gauge, etc.
  3. Install the bolts which hold upper side of transmission to engine.

    Tightening torque: 

    50 N.m (5.1 kgf-m, 36.9 ft-lb) 

    • CVT model
      Fig 1: Locating Bolts (CVT Model)
      G08316854Courtesy of SUBARU OF AMERICA, INC.
    • MT model
      Fig 2: Locating Bolts (MT Model)
      G08316855Courtesy of SUBARU OF AMERICA, INC.
  4. Install the engine mounting bracket onto the engine.

    Tightening torque: 

    30 N.m (3.1 kgf-m, 22.1 ft-lb) 

    Fig 3: Locating Engine Mounting Bracket Bolts
    G10262531Courtesy of SUBARU OF AMERICA, INC.
  5. Place the front cushion rubber together with the front mounting bracket to the cradle, and install the front cushion rubber to the engine mounting bracket to install the front mounting bracket to the cradle.

    Tightening torque: 

    T1: 25 N.m (2.5 kgf-m, 18.4 ft-lb) 

    T2: 60 N.m (6.1 kgf-m, 44.3 ft-lb) 

    Fig 4: Installing Front Cushion Rubber To Engine Mounting Bracket
    G10262537Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the lifting device and wire ropes.
    Fig 5: Supporting Engine With Lifting Device And Wire Ropes
    G08316851Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the ST1 and ST2 from the engine unit.

    ST1 18363AA050 BOLT

    ST2 18360AA040 HANGER

    Fig 6: Removing ST1 And ST2 From Engine Unit
    G10262528Courtesy of SUBARU OF AMERICA, INC.
  8. Install the torque converter clutch to drive plate. (CVT model)
    1. Remove the ST from torque converter clutch case.
      NOTE: Be careful not to drop the ST into the torque converter clutch case when removing the ST.

      ST 498277200 STOPPER SET

      Fig 7: Removing ST From Torque Converter Clutch Case
      G10262526Courtesy of SUBARU OF AMERICA, INC.
    2. Insert the wrench into the crank pulley bolt, and rotate the crank pulley to attach the four bolts securing the torque converter clutch to the drive plate.
      NOTE: Be careful not to drop bolts into the torque converter clutch case.

      Tightening torque: 

      25 N.m (2.5 kgf-m, 18.4 ft-lb) 

    3. Fit the plug to service hole.
      Fig 8: Locating Service Hole Plug
      G10262525Courtesy of SUBARU OF AMERICA, INC.
  9. Install the starter. <Ref. to INSTALLATION , Starter.>
  10. Lift up the vehicle.
  11. Install the bolts and nuts which hold lower side of the transmission to engine.

    Tightening torque: 

    50 N.m (5.1 kgf-m, 36.9 ft-lb) 

    • CVT model
      Fig 9: Locating Bolts And Nuts (CVT Model)
      G08316839Courtesy of SUBARU OF AMERICA, INC.
    • MT model
      Fig 10: Locating Bolts And Nuts (MT Model)
      G08316840Courtesy of SUBARU OF AMERICA, INC.
  12. Connect the ground cable.

    Tightening torque: 

    7.5 N.m (0.8 kgf-m, 5.5 ft-lb) 

    Fig 11: Locating Ground Cable
    G10262522Courtesy of SUBARU OF AMERICA, INC.
  13. Install the front exhaust pipe. <Ref. to INSTALLATION , Front Exhaust Pipe.>
  14. Lower the vehicle.
  15. Connect the fuel delivery tube and evaporation hose.
    1. Connect the evaporation hose (C).
    2. Connect the quick connector of the fuel delivery tube (B) to the fuel pipe assembly, and secure the fuel delivery tube using clip (A).
      CAUTION:
      • Check that there is no damage or dust on the quick connector. If necessary, clean the seal surface of the pipe.
      • Make sure that the quick connector is securely connected.
      Fig 12: Connecting Quick Connector Of Fuel Delivery Tube To Fuel Pipe Assembly
      G10262129Courtesy of SUBARU OF AMERICA, INC.
  16. Connect the engine coolant hose to the CVTF cooler (with warmer feature) and EGR cooler.
    Fig 13: Locating Engine Coolant Hose To CVTF Cooler (With Warmer Feature) And EGR Cooler
    G10262521Courtesy of SUBARU OF AMERICA, INC.
  17. Move the lock lever (A) in the direction of arrow, and connect the engine harness connector to ECM.
    Fig 14: Moving Lock Lever
    G10262547Courtesy of SUBARU OF AMERICA, INC.
  18. Connect the brake booster vacuum hose (A), heater inlet hose (B) and heater outlet hose (C).
    NOTE: Be careful not to mix up the heater inlet hose and the heater outlet hose when connecting them.
    Fig 15: Connecting Brake Booster Vacuum Hose, Heater Inlet Hose And Heater Outlet Hose
    G10262548Courtesy of SUBARU OF AMERICA, INC.
    Fig 16: Attaching Engine Harness To Clip
    G10262519Courtesy of SUBARU OF AMERICA, INC.
  19. Place the engine harness and attach the engine harness to the clip (C).
  20. Attach the engine harness to the claw (B) of the main fuse box and connect the engine harness connector (A) to the main fuse box.
    Fig 17: Attaching Engine Harness To Claw
    G10262518Courtesy of SUBARU OF AMERICA, INC.
  21. Connect the A/C pressure hose to A/C compressor. <Ref. to INSTALLATION , Hose and Pipe.>
  22. Place the generator cord and install the generator cord to the chain cover.
    NOTE: Install the generator cord stay so that the folded end (a) touches the chain cover boss.

    Tightening torque: 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb) 

    Fig 18: Locating Generator Cord Stay Bolt
    G10262551Courtesy of SUBARU OF AMERICA, INC.
  23. Secure the generator cord using the clip (E) and clip (F).
  24. Connect the connector (A), connector (B), connector (C) and terminal (D).

    Tightening torque: 

    15 N.m (1.5 kgf-m, 11.1 ft-lb) 

    Fig 19: Securing Generator Cord Using Clip
    G10262516Courtesy of SUBARU OF AMERICA, INC.
  25. Install the air cleaner case (rear) together with the air cleaner element. <Ref. to INSTALLATION , Air Cleaner Case.>
  26. Secure the bulkhead wiring harness with clip (B) and connect the connector (A) to the mass air flow and intake air temperature sensor.
    Fig 20: Securing Bulkhead Wiring Harness With Clip
    G10262137Courtesy of SUBARU OF AMERICA, INC.
  27. Install the radiator. <Ref. to INSTALLATION , Radiator.>
  28. Install the air intake boot. <Ref. to INSTALLATION , Air Intake Boot.>
  29. Install the air intake duct. <Ref. to INSTALLATION , Air Intake Duct.>
  30. Connect the ground terminal to battery sensor. <Ref. to BATTERY , NOTE, Repair Contents.>
  31. Fill engine coolant. <Ref. to FILLING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant.>
  32. Charge the A/C system with refrigerant. <Ref. to PROCEDURE , Refrigerant Charging Procedure.>
  33. Install the V-belt cover.

    Tightening torque: 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb) 

    Fig 21: Locating V-Belt Cover Bolt
    G10262379Courtesy of SUBARU OF AMERICA, INC.
  34. Set the front hood to the normal position. <Ref. to FRONT HOOD DAMPER STAY , NOTE, Repair Contents.>
  35. Close the front hood.