LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2018 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical (STI)) >> Engine Assembly >> Installation

Engine Assembly: Installation

WARNING: This page is about a different variant/trim than selected.
  1. Set the release lever, release bearing and clutch release lever shaft to the transmission. Ref. to CLUTCH SYSTEM>Release Bearing and Lever>INSTALLATION>STI MODEL .
  2. Install the engine mounting onto the engine.

    Tightening Torque:

    35 N.m (3.6 kgf-m, 25.8 ft-lb)

  3. 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.
  4. Install the bolts which hold upper side of transmission to engine.

    Tightening Torque:

    50 N.m (5.1 kgf-m, 36.9 ft-lb)

    G05335715Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the lifting device and wire ropes.
    G04997613Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the garage jack.
  7. Lift up the vehicle.
  8. 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)

    G05002964Courtesy of SUBARU OF AMERICA, INC.
  9. Install the nuts which hold the engine mounting to the front crossmember.
    NOTE: Use a new nut.

    Tightening Torque:

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

    G10265261Courtesy of SUBARU OF AMERICA, INC.
  10. Lower the vehicle.
  11. Make sure that the release bearing is completely inserted.
    NOTE:
    • Push the release lever towards the operating cylinder side until a clicking sound is heard. Pull the release lever towards the engine side. If the release lever is not in contact with the case, the setting is complete.
    • Confirm that the boot cover is set securely.
    G05003250Courtesy of SUBARU OF AMERICA, INC.
  12. Install the pitching stopper.

    Tightening Torque:

    T1: 50 N.m (5.1 kgf-m, 36.9 ft-lb)

    T2: 58 N.m (5.9 kgf-m, 42.8 ft-lb)

    G10265279Courtesy of SUBARU OF AMERICA, INC.
  13. Install the return spring.
    G07682580Courtesy of SUBARU OF AMERICA, INC.
  14. Install the operating cylinder.
    NOTE: Check that the clutch hose is routed properly.

    Tightening Torque:

    41 N.m (4.2 kgf-m, 30.2 ft-lb)

    G05342354Courtesy of SUBARU OF AMERICA, INC.
  15. Install the starter. Ref. to STARTING/CHARGING SYSTEMS (STI)>Starter>INSTALLATION .
  16. Install the power steering pump.
    1. Install the power steering pump onto the engine.

      Tightening Torque:

      Refer to "COMPONENT" of "Power Steering" for the Tightening Torque. Ref. to POWER ASSISTED SYSTEM (POWER STEERING)>General Description>COMPONENT .

      G10265258Courtesy of SUBARU OF AMERICA, INC.
    2. Install the purge control solenoid valve 1 to the intake manifold.

      Tightening Torque:

      19 N.m (1.9 kgf-m, 14.0 ft-lb)

      G08538991Courtesy of SUBARU OF AMERICA, INC.
    3. Connect the connector to the power steering pump switch.
      G08538645Courtesy of SUBARU OF AMERICA, INC.
    4. Install the front side belt. Ref. to MECHANICAL(STI)>V-belt>INSTALLATION>FRONT SIDE BELT .
  17. Remove the intercooler stay RH No. 2.
    G10265268Courtesy of SUBARU OF AMERICA, INC.
  18. Lift up the vehicle.
  19. Connect the ground cable.

    Tightening Torque:

    7.5 N.m (0.8 kgf-m, 5.5 ft-lb)

    G10265259Courtesy of SUBARU OF AMERICA, INC.
  20. Install the joint pipe and front exhaust pipe. Ref. to EXHAUST (STI)>Front Exhaust Pipe>INSTALLATION . Ref. to EXHAUST (STI)>Joint Pipe>INSTALLATION .
  21. Install the turbocharger. Ref. to INTAKE (INDUCTION) (STI)>Turbocharger>INSTALLATION .
  22. Install the center exhaust pipe. Ref. to EXHAUST (STI)>Center Exhaust Pipe>INSTALLATION .
  23. Connect the following hoses.
    1. Fuel delivery hose, fuel return hose and evaporation hose
    2. Heater inlet hose and heater outlet hose
    3. Brake booster vacuum hose and pressure regulator vacuum hose
    4. A/C pressure hose Ref. to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>Hose and Pipe>INSTALLATION .
  24. Secure the generator cord using the clip (B) and connect the connector (A) to A/C compressor.
    G08539187Courtesy of SUBARU OF AMERICA, INC.
  25. Connect the following connectors and terminals.
    1. Generator connector and terminal

      Tightening Torque:

      15.5 N.m (1.6 kgf-m, 11.4 ft-lb)

    2. Secondary air pump connector
  26. Install the engine harness connector to engine harness bracket, then connect the bulkhead harness connector to the engine harness connector.
    G10264739Courtesy of SUBARU OF AMERICA, INC.
  27. Install the intercooler. Ref. to INTAKE (INDUCTION) (STI)>Intercooler>INSTALLATION .
  28. Install the radiator. Ref. to COOLING (STI)>Radiator>INSTALLATION .
  29. Install the coolant filler tank. Ref. to COOLING (STI)>Coolant Filler Tank>INSTALLATION .
  30. Install the air cleaner case and air intake duct. Ref. to INTAKE (INDUCTION) (STI)>Air Cleaner Case>INSTALLATION . Ref. to INTAKE (INDUCTION) (STI)>Air Intake Duct>INSTALLATION .
  31. Install the battery. Ref. to STARTING/CHARGING SYSTEMS (STI)>Battery>INSTALLATION .
  32. Fill engine coolant. Ref. to COOLING (STI)>Engine Coolant>REPLACEMENT>FILLING OF ENGINE COOLANT .
  33. Charge the A/C system with refrigerant. Ref. to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>Refrigerant Charging Procedure>PROCEDURE .
  34. Install the V-belt cover.

    Tightening Torque:

    7 N.m (0.7 kgf-m, 5.2 ft-lb)

    G06344549Courtesy of SUBARU OF AMERICA, INC.
  35. Set the front hood to the normal position. Ref. to NOTE>FRONT HOOD DAMPER STAY .
  36. Install the striker - front hood. Ref. to EXTERIOR BODY PANELS>Front Hood>ASSEMBLY .
  37. Close the front hood.
scientia non olet · About LEMON Manuals