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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)) >> Chain Cover >> Removal

Chain Cover: Removal

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 intercooler. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>INTERCOOLER>REMOVAL .
    2. Remove the intake duct No. 1 and intake duct No. 2. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>INTAKE DUCT>REMOVAL>INTAKE DUCT NO. 1 . Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>INTAKE DUCT>REMOVAL>INTAKE DUCT NO. 2 .
    3. Remove the radiator. Refer to COOLING (EXCEPT FOR STI)>RADIATOR>REMOVAL .
    4. Remove the front exhaust pipe. Refer to EXHAUST (EXCEPT FOR STI)>FRONT EXHAUST PIPE>REMOVAL .
  2. Drain the engine oil. Refer to LUBRICATION (EXCEPT FOR STI)>ENGINE OIL>REPLACEMENT .
  3. Remove the V-belts. Refer to MECHANICAL (EXCEPT FOR STI)>V-BELT>REMOVAL>V-BELT .
  4. Remove the generator. Refer to STARTING/CHARGING SYSTEMS (EXCEPT FOR STI)>GENERATOR>REMOVAL .
  5. Remove the water pump pulley. Refer to COOLING (EXCEPT FOR STI)>WATER PUMP>REMOVAL>WATER PUMP .
  6. Remove the crank pulley. Refer to MECHANICAL (EXCEPT FOR STI)>CRANK PULLEY>REMOVAL .
  7. Remove the engine oil cooler. Refer to LUBRICATION (EXCEPT FOR STI)>ENGINE OIL COOLER>REMOVAL .
  8. Remove the front engine oil cooler pipe assembly. Refer to LUBRICATION (EXCEPT FOR STI)>ENGINE OIL COOLER PIPE>REMOVAL>FRONT ENGINE OIL COOLER PIPE .
  9. Remove the clip securing the PCV pipe to the intake manifold.
    G11266808Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the PCV pipe from the clip (A), and place the PCV pipe aside so that it does not interfere with the work.
    G11266809Courtesy of SUBARU OF AMERICA, INC.
  11. Disconnect the connector from the engine wiring harness.
    G12441564Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the connector (A) and connector (B) from the vacuum pipe assembly.
  13. Disconnect the vacuum control hose (C) and vacuum hose (D) from the vacuum pipe assembly, and remove the vacuum pipe assembly from the chain cover.
    G12441565Courtesy of SUBARU OF AMERICA, INC.
  14. Disconnect the connector (A) from the intake oil control solenoid RH, connector (B) from the exhaust oil control solenoid RH, connector (C) from the intake camshaft position sensor RH, and the connector (D) from the exhaust camshaft position sensor RH, and then remove the clips (E) and (F) securing the engine wiring harness.
    G12441566Courtesy of SUBARU OF AMERICA, INC.
  15. Disconnect the connector (A) from the exhaust camshaft position sensor LH and the connector (B) from the oil level switch, and remove the engine wiring harness stay from the chain cover.
    G09480278Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the rubber cap from the oil pressure switch.
    G10266745Courtesy of SUBARU OF AMERICA, INC.
  17. Disconnect the terminal (A) from the oil pressure switch, connector (B) from the engine oil temperature sensor, connector (C) from the intake oil control solenoid LH, connector (D) from the exhaust oil control solenoid LH, and the connector (E) from the intake camshaft position sensor LH, and then remove the clip (F) securing the engine wiring harness.
    G10266746Courtesy of SUBARU OF AMERICA, INC.
  18. Pull out the oil level gauge (A), and remove the oil level gauge guide (B), crank pulley boss (C), and idler pulley (D).
    G12441570Courtesy of SUBARU OF AMERICA, INC.
  19. Remove the bolts securing the chain cover to engine.
    G12441571Courtesy of SUBARU OF AMERICA, INC.
  20. Pry the points shown in the figure with a crowbar wrapped by protective tape, and then remove the chain cover from the engine.
    CAUTION: The chain cover may contact the protrusion (a) of cam sprocket sensor plate and cause damage. When removing the chain cover, move the chain cover horizontally until it cannot contact with the cam sprocket, and then remove it carefully.
    G11576275Courtesy of SUBARU OF AMERICA, INC.
    G12441573Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the O-rings from cylinder head RH, cylinder head LH, cylinder block LH and oil pan upper.
    G11576277Courtesy of SUBARU OF AMERICA, INC.
  22. Remove the liquid gasket from the chain cover and engine unit.
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