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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical System (Except For STI)) >> Rocker Cover >> Removal >> Rocker Cover LH

Rocker Cover LH

WARNING: This page is about a different variant/trim than selected.
NOTE: When replacing a single part, perform the work with the engine assembly installed to body.
  1. When working on the vehicle
    NOTE: When working on the vehicle, perform the following steps also.
    1. Remove the striker - front hood. Refer to EXTERIOR BODY PANELS>FRONT HOOD>DISASSEMBLY .
    2. Fully open the front hood. Refer to NOTE>NOTE>FRONT HOOD DAMPER STAY .
    3. Remove the collector cover. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>COLLECTOR COVER>REMOVAL .
    4. Remove the battery. Refer to STARTING/CHARGING SYSTEMS (EXCEPT FOR STI)>BATTERY>REMOVAL .
    5. Remove the air intake duct. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>AIR INTAKE DUCT>REMOVAL .
    6. Remove the center exhaust pipe. Refer to EXHAUST (EXCEPT FOR STI)>CENTER EXHAUST PIPE>REMOVAL .
    7. Remove the nuts which secure the engine mounting to the front crossmember.
      G10266828Courtesy of SUBARU OF AMERICA, INC.
    8. Lower the vehicle.
    9. Remove the clip (A) and clip (B) which secure the engine wiring harness and bulkhead harness to the bracket, and remove the bolt which secures the engine control module (ECM) to the bracket.
      G12444223Courtesy of SUBARU OF AMERICA, INC.
    10. Pull out the engine control module (ECM) from the bracket, and move it to a location that does not interfere operation.
      NOTE: When performing the pulling out operation, pay attention not to apply excessive load to the breather filter portion (a) in order to avoid the damage.
      G10266253Courtesy of SUBARU OF AMERICA, INC.
    11. Remove the intercooler. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>INTERCOOLER>REMOVAL .
    12. Remove the clip (A) securing the generator cord to the fuel pipe protector, and remove the fuel pipe protector from the high-pressure fuel pump case and intake manifold.
      G10266831Courtesy of SUBARU OF AMERICA, INC.
    13. Disconnect the connector from pressure switch (triple pressure switch).
      G10266832Courtesy of SUBARU OF AMERICA, INC.
    14. Remove the pitching stopper.
      G10266670Courtesy of SUBARU OF AMERICA, INC.
    15. Support the engine with a lifting device and wire ropes.
      G08316851Courtesy of SUBARU OF AMERICA, INC.
    16. Set the cushioning material such as a waste cloth between pitching stopper bracket and transmission case cover. (CVT model)
      NOTE:
      • This operation is required to prevent damage to the transmission case cover.
      • Make sure that the height of cushioning material does not become 15 - 20 mm (0.6 - 0.8 in) or less when it is crushed.
    17. While gradually lifting up the engine, set the ST between the engine mount LH and front crossmember, and then slowly lower the engine.
      CAUTION:
      • When lifting up the engine, pay attention to the clearance of each part and be careful not to lift the engine too much, in order to prevent damaging the vehicle.
      • To avoid the damage, be sure to set the ST as shown in the figure.
        G13259128Courtesy of SUBARU OF AMERICA, INC.
      • After lowering the engine, check that the ST does not come off even if the engine is bounced.

      ST 18632AA030 STAND ASSY 

      G10266836Courtesy of SUBARU OF AMERICA, INC.
    18. Remove the lifting device and wire ropes.
    G08316851Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the side engine oil cooler pipe assembly. Refer to LUBRICATION (EXCEPT FOR STI)>ENGINE OIL COOLER PIPE>REMOVAL>SIDE ENGINE OIL COOLER PIPE .
  3. Remove the #2 ignition coil and the #4 ignition coil. Refer to IGNITION (EXCEPT FOR STI)>IGNITION COIL>REMOVAL .
  4. Remove the connector from the water pipe LH.
    G09480375Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the rocker cover LH.
    G09480376Courtesy of SUBARU OF AMERICA, INC.
  6. Remove the rocker cover gasket LH, #2 spark plug pipe gasket and #4 spark plug pipe gasket, and remove the liquid gasket.
    CAUTION:
    • When removing the liquid gasket from engine unit using scraper, use special care not to damage the cam lobe of camshaft LH.
    • If the cam lobe of camshaft LH interferes, turn the crankshaft to the position where the scraper does not touch.
    G10291880Courtesy of SUBARU OF AMERICA, INC.
    G09480378Courtesy of SUBARU OF AMERICA, INC.