LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2017 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical (2.0L)) >> 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 collector cover. <Ref. to REMOVAL , Collector Cover.>
  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. 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.
  7. Disconnect the ground terminal from battery sensor. <Ref. to BATTERY , NOTE, Note.>
  8. Remove the air intake duct. <Ref. to REMOVAL , Air Intake Duct.>
  9. Remove the intercooler. <Ref. to REMOVAL , Intercooler.>
  10. Remove the ECM. <Ref. to REMOVAL , Engine Control Module (ECM).>
  11. Remove the intake duct No. 1 and intake duct No. 2. <Ref. to INTAKE DUCT NO. 1 , REMOVAL, Intake Duct.> <Ref. to INTAKE DUCT NO. 2 , REMOVAL, Intake Duct.>
  12. Remove the radiator. <Ref. to REMOVAL , Radiator.>
  13. Disconnect sections (A) and (B) of the brake booster vacuum hose from the brake vacuum pump and intake manifold, and remove the brake booster vacuum hose from the clip (C).
  14. Remove the brake booster vacuum hose from the clip (D), and place the brake booster vacuum hose aside so that it does not interfere with the work.
    Fig 1: Locating Brake Booster Vacuum Hose Clip
    G11576191Courtesy of SUBARU OF AMERICA, INC.
  15. Disconnect the bulkhead harness connectors from the engine harness connectors.
    Fig 2: Locating Bulkhead Harness Connectors
    G10266665Courtesy of SUBARU OF AMERICA, INC.
  16. Disconnect the connector (A) from the brake vacuum pump.
  17. Disconnect connector (B) and terminal (C) from the generator, and remove the clip (D) securing the generator cord to the intake manifold.
    Fig 3: Locating Connector And Terminal Of Generator
    G11576193Courtesy of SUBARU OF AMERICA, INC.
  18. Disconnect connector (A) from A/C compressor, and remove the generator cord from clip (B).
  19. Remove the clip (C) securing the generator cord to the fuel pipe protector, and move the generator cord aside so that it does not interfere with the work.
  20. Remove the bolts securing the hose - pressure suction and the hose - pressure discharge to the A/C compressor, and disconnect the hose - pressure suction and the hose - pressure discharge from the A/C compressor. <Ref. to REMOVAL , Hose and Pipe.>
    Fig 4: Locating Pressure Suction Hose And Pressure Discharge Hose Bolts
    G11576194Courtesy of SUBARU OF AMERICA, INC.
  21. Disconnect the heater inlet hose (A) from the water pipe assembly, and disconnect the heater outlet hose (B) from the water pipe LH.
    Fig 5: Locating Heater Inlet/Outlet Hose Clips
    G10266668Courtesy of SUBARU OF AMERICA, INC.
  22. Disconnect the engine coolant inlet hose and engine coolant outlet hose from the CVTF cooler (with warmer feature) and EGR cooler. (CVT model)
    Fig 6: Locating Engine Coolant Inlet/Outlet Hose Clamps
    G10266669Courtesy of SUBARU OF AMERICA, INC.
  23. Remove the pitching stopper.
    Fig 7: Locating Pitching Stopper Bolts
    G10266670Courtesy of SUBARU OF AMERICA, INC.
  24. Remove the front exhaust pipe. <Ref. to REMOVAL , Front Exhaust Pipe.>
  25. Set the transmission jack to the transmission. (CVT model)
    NOTE: Be careful that the support plate of transmission jack does not touch the transmission oil pan.
  26. Remove the rear crossmember and attach the ST. (CVT model)

    ST 41099YC001 ST REAR MOUNT

    Tightening torque: 

    T1: 35 N.m (3.6 kgf-m, 25.8 ft-lb) 

    T2: 70 N.m (7.1 kgf-m, 51.6 ft-lb) 

    Fig 8: Locating Rear Crossmember Bolts
    G10266671Courtesy of SUBARU OF AMERICA, INC.
  27. Remove the transmission jack. (CVT model)
  28. Disconnect the ground cable from the oil pipe assembly.
    Fig 9: Locating Oil Pipe Assembly Ground Cable Bolts
    G09480206Courtesy of SUBARU OF AMERICA, INC.
  29. Remove the lower bolt securing the CVTF cooler (with warmer feature) to the CVT. (CVT model)
    Fig 10: Locating CVTF Cooler (With Warmer Feature) Lower Bolt
    G09480207Courtesy of SUBARU OF AMERICA, INC.
  30. Remove the bolts and nuts which hold the lower side of transmission to the engine.
    • CVT model
    Fig 11: Locating Transmission Lower Side Bolts And Nuts - CVT Model
    G09480208Courtesy of SUBARU OF AMERICA, INC.
    • MT model
    Fig 12: Locating Transmission Lower Side Bolts And Nuts - MT Model
    G08316840Courtesy of SUBARU OF AMERICA, INC.
  31. Remove the nuts which secure the engine mounting to the front crossmember.
    Fig 13: Locating Engine Mounting And Front Crossmember Bolts
    G09480209Courtesy of SUBARU OF AMERICA, INC.
  32. Lower the vehicle.
  33. Remove the starter. <Ref. to REMOVAL , Starter.>
  34. Separate the torque converter clutch from the drive plate. (CVT model)
    1. Remove the service hole plug.
      Fig 14: Locating Service Hole Plug - CVT Model
      G09480211Courtesy of SUBARU OF AMERICA, INC.
    2. Insert the wrench into the crank pulley bolt and rotate the crank pulley to remove the bolts which hold torque converter clutch to drive plate.
      Fig 15: Removing Torque Converter Clutch Bolts Using Wrench
      G10266678Courtesy of SUBARU OF AMERICA, INC.
    3. Attach the ST to the torque converter clutch case.

      ST 498277200 STOPPER SET

      Fig 16: Attaching ST To Torque Converter Clutch Case
      G09480213Courtesy of SUBARU OF AMERICA, INC.
  35. Remove the clip (A) securing the bulkhead harness to the CVTF cooler (with warmer feature). (CVT model)
  36. Remove the upper bolt securing the CVTF cooler (with warmer feature) to the CVT, and move the CVTF cooler (with warmer feature) at the locations that do not interfere operation. (CVT model)
    Fig 17: Locating CVTF Cooler Upper Bolt
    G09480214Courtesy of SUBARU OF AMERICA, INC.
  37. Remove the bolt (A) securing the transmission harness stay to the CVT. (CVT model)
    NOTE: This procedure is required to prevent the transmission connector from touching the A/C pressure hose during engine removal/installation.
  38. Remove the air breather hose from the clip (B), and then remove the clip (B) from the pitching stopper bracket. (CVT model)
    NOTE: This procedure is required to prevent the clip from touching the A/C pressure hose during engine removal/installation.
    Fig 18: Locating Air Breather Hose Clip
    G10266681Courtesy of SUBARU OF AMERICA, INC.
  39. 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. Disconnect the quick connector on the fuel delivery tube from the fuel pipe assembly, and remove the clip (A) securing the fuel delivery tube.
      NOTE: Disconnect the quick connector as shown in the figure.
      Fig 19: Disconnecting Quick Connector On Fuel Delivery Tube
      G11576209Courtesy of SUBARU OF AMERICA, INC.
      Fig 20: Locating Clip Of Fuel Delivery Tube
      G10266683Courtesy of SUBARU OF AMERICA, INC.
    2. Disconnect the evaporation hose from the fuel pipe assembly.
    Fig 21: Disconnecting Evaporation Hose From Fuel Pipe Assembly
    G09480218Courtesy of SUBARU OF AMERICA, INC.
  40. Separate the engine and transmission.
    CAUTION: Before removing the engine away from transmission, check to be sure no work has been overlooked.
    1. Support the engine with a lifting device and wire ropes.
      Fig 22: Supporting Engine With Lifting Device And Wire Ropes
      G08316851Courtesy of SUBARU OF AMERICA, INC.
    2. 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 23: Supporting Transmission With Garage Jack
      G11576213Courtesy of SUBARU OF AMERICA, INC.
    3. Remove the bolts which hold the upper side of the transmission to the engine.
    • CVT model
    Fig 24: Locating Transmission Upper Side Bolts - CVT Model
    G09480221Courtesy of SUBARU OF AMERICA, INC.
    • MT model
    Fig 25: Locating Transmission Upper Side Bolts - MT Model
    G08316855Courtesy of SUBARU OF AMERICA, INC.
  41. 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 engine is withdrawn from transmission. (CVT model)
    4. Move the engine horizontally until main shaft is withdrawn from clutch cover. (MT model)
    5. Slowly move the engine away from engine compartment.
  42. Remove the engine mounting from the engine.