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Home >> Subaru >> 2023 >> Forester Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System >> Engine Assembly >> Installation

Engine Assembly: Installation

  1. Using the ST1, install the ST2 to the engine unit.

    Preparation tool: 

    ST1: BOLT (18363AA050)

    ST2: HANGER (18360AA040)

    Tightening torque: 

    43 N.m (4.4 kgf-m, 31.7 ft-lb)

    G13224279Courtesy of SUBARU
  2. Support the engine unit with a lifting device and wire ropes, and remove the engine unit from the engine stand, etc.
  3. Install the engine mounting onto the engine unit.

    Tightening torque: 

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

  4. Place the engine unit 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.
  5. With a lifting device and a garage jack, slowly lower the engine unit together with the transmission.
    NOTE: Check that the stud bolt of the engine mounting is securely inserted into the engine mounting hole of the crossmember COMPL front.
  6. Install the bolts which hold the upper side of transmission to the engine unit.

    Tightening torque: 

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

    • Except for WILDERNESS model
      G14383952Courtesy of SUBARU
    • WILDERNESS model
    G13600632Courtesy of SUBARU
  7. Remove the garage jack.
  8. Remove the lifting device and wire ropes.
  9. Remove the ST1 and ST2 from the engine unit.
    G13224279Courtesy of SUBARU
  10. Install the torque converter to drive plate.
    1. Remove the ST from converter case.
      NOTE: Be careful not to drop the ST into the converter housing when removing the ST.
      • Except for WILDERNESS model
        G13224276Courtesy of SUBARU
      • WILDERNESS model
      G13618842Courtesy of SUBARU
    2. Insert the wrench into the crank pulley bolt, and rotate the crank pulley to attach the bolts (4 places) securing the torque converter to the drive plate.
      NOTE: Be careful not to drop bolts into the converter housing.

      Tightening torque: 

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

      G13224275Courtesy of SUBARU
    3. Install the plug (B) to the service hole, and connect the connector (A).
      G13224274Courtesy of SUBARU
    4. Attach the PCV hose No. 1. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO)>PCV HOSE>INSTALLATION>PCV HOSE NO. 1 .
  11. Install the starter. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>STARTER>INSTALLATION .
  12. Lift up the vehicle.
  13. 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)

    • Except for WILDERNESS model
      G14383941Courtesy of SUBARU
    • WILDERNESS model
    G13600620Courtesy of SUBARU
  14. Install the crossmember support rear RH. Ref. to FRONT SUSPENSION>CROSSMEMBER SUPPORT>INSTALLATION .
  15. Install the nuts which hold the engine mounting to the crossmember COMPL front.
    CAUTION: Use new nuts.
    NOTE: Make sure that locators (a) of the engine mounting are securely inserted.

    Tightening torque: 

    90 N.m (9.2 kgf-m, 66.4 ft-lb)

    G14383965Courtesy of SUBARU
  16. Connect the ground cord.

    Tightening torque: 

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

    G13224271Courtesy of SUBARU
  17. Lower the vehicle.
  18. Connect the fuel delivery tube and evaporation hose.
    1. Connect the quick connector on the fuel delivery tube (C) to the fuel pipe, and install clip (B) to the intake manifold assembly.
      CAUTION:
      • Check that there is no damage or dust on the quick connector. If necessary, clean the seal surface of the pipe.
      • When connecting the quick connector, make sure to insert it all the way in before locking the slider.
      • When it is difficult to lock the slider, check that the connector is fully inserted.
      • After locking the slider, pull the quick connector itself to the disconnecting direction, and then push to the connecting direction in order to confirm secure connection. Always make sure to perform this confirmation ending up with a pushing in.
      NOTE: Connect the quick connector as shown in the figure.
      G10318382Courtesy of SUBARU
      (a) Slider
    2. Connect the evaporation hose (A) to clip (B), and connect evaporation hose (A) to purge control solenoid valve.
    G16335192Courtesy of SUBARU
  19. Connect the water hose (B) and water hose (A) to the EGR cooler and CVTF cooler (with warmer feature).
    • Except for WILDERNESS model
      G16335181Courtesy of SUBARU
    • WILDERNESS model
    G14383938Courtesy of SUBARU
  20. Install the pitching stopper.

    Except for WILDERNESS model: 

    Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 (EXCEPT FOR WILDERNESS))>TRANSMISSION MOUNTING SYSTEM>INSTALLATION>PITCHING STOPPER .

    WILDERNESS model: 

    Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 (WILDERNESS))>TRANSMISSION MOUNTING SYSTEM>INSTALLATION>PITCHING STOPPER .

  21. Connect the transmission harness connector to the engine wiring harness.
    G13224269Courtesy of SUBARU
  22. Connect the heater inlet hose (A) and the heater outlet hose (B).
    NOTE: Be careful not to mix up the heater inlet hose and the heater outlet hose when connecting them.
    G16335216Courtesy of SUBARU
    (a) Heater inlet hose
    (b) Heater outlet hose
    (c) To water pipe ASSY
    (d) To water pipe LH
    (e) To heater core ASSY
    (f) Engine coolant flow
    G13224268Courtesy of SUBARU
  23. Place the engine wiring harness and secure the engine wiring harness to the bracket with the claw (A).
  24. Set the battery cable assembly, and secure the battery cable assembly to the bracket with claw (B).
    G13224300Courtesy of SUBARU
  25. Install the engine wiring harness to the clip (C), and connect the connector (B) to the main fuse box.
  26. Connect connector (A) to ECM.
    CAUTION: To prevent damage to the connector (A), when connecting the connector (A), insert the connector (A) straight in until it stops, and while maintaining the position, lock the lever.
    NOTE: When connecting the connector (A), check that the lever is located at the position shown in the figure (position beyond the lock portion (a)).
    G13223993Courtesy of SUBARU
    G13224266Courtesy of SUBARU
  27. Secure the battery cable assembly with the claw (D) and clip (C).
  28. Install the engine wiring harness to the clip (B), and connect the connector (A).
    G16334687Courtesy of SUBARU
  29. Connect the hose pressure suction and the hose pressure discharge to the A/C compressor. Ref. to AIR CONDITIONER>HOSE AND PIPE>INSTALLATION .
  30. Secure the battery cable assembly with the clip (A) and clip (B).
  31. Connect the connector (C), connector (D), and the terminal (E).

    Tightening torque: 

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

    G13223860Courtesy of SUBARU
  32. Install the air intake case (rear). Ref. to INTAKE (INDUCTION) (H4DO)>AIR CLEANER CASE>INSTALLATION .
  33. Install the air intake boot. Ref. to INTAKE (INDUCTION) (H4DO)>AIR INTAKE BOOT>INSTALLATION .
  34. Install the radiator. Ref. to COOLING (H4DO)>RADIATOR>INSTALLATION .
  35. Connect the ground terminal of the battery sensor and the positive terminal of the battery. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  36. Install the fuel filler cap, and close the fuel filler lid.
  37. Fill engine coolant. Ref. to COOLING (H4DO)>ENGINE COOLANT>REPLACEMENT>FILLING OF ENGINE COOLANT .
  38. Install the collector cover. Ref. to INTAKE (INDUCTION) (H4DO)>COLLECTOR COVER>INSTALLATION .
  39. Set the panel COMPL front hood to the normal position. Ref. to REPAIR CONTENTS>NOTE>STAY ASSEMBLY FRONT HOOD .
  40. Install the striker assembly front hood. Ref. to EXTERIOR BODY PANELS>FRONT HOOD>ASSEMBLY .
  41. Close the panel COMPL front hood.
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