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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. < Ref. to REMOVAL , Intercooler. >
    2. Remove the intake duct No. 2. < Ref. to INTAKE DUCT NO. 2 , REMOVAL, Intake Duct. >
    3. Remove the radiator. < Ref. to REMOVAL , Radiator. >
    4. Remove the front exhaust pipe. < Ref. to REMOVAL , Front Exhaust Pipe. >
    5. Disconnect the connector (A) from the wastegate control solenoid valve, and remove the air intake boot from the intake duct No. 1.
      Fig 1: Identifying Wastegate Control Solenoid Valve Connector
      G10266738Courtesy of SUBARU OF AMERICA, INC.
  2. Drain the engine oil. < Ref. to REPLACEMENT , Engine Oil. >
  3. Remove the V-belts. < Ref. to V-BELT , REMOVAL, V-belt. >
  4. Remove the generator. < Ref. to REMOVAL , Generator. >
  5. Remove the water pump pulley. < Ref. to WATER PUMP , REMOVAL, Water Pump. >
  6. Remove the crank pulley. < Ref. to REMOVAL , Crank Pulley. >
  7. Remove the engine oil cooler. < Ref. to REMOVAL , Engine Oil Cooler. >
  8. Remove the front engine oil cooler pipe assembly. < Ref. to FRONT ENGINE OIL COOLER PIPE , REMOVAL, Engine Oil Cooler Pipe. >
  9. When working on the engine unit only
    NOTE: When working on the engine unit only, also perform the following steps.
    1. Remove the PCV hose assembly from the chain cover.
      NOTE: To disconnect the PCV hose assembly, fit the cut outs of the ST with the protrusions on the clamp as shown in the figure, squeeze the ST's handles together and unlock the clamp.

      ST 18353AA000 CLAMP PLIERS

      Fig 2: Fitting Clamp Pliers (ST 1833AA000) Cut Outs With Protrusions On Clamp
      G10266739Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the clip securing the PCV pipe to the intake manifold.
    Fig 3: Locating Intake Manifold PCV Pipe Clips
    G09480274Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the PCV pipe from the clip (A), and move the PCV pipe together with the intake duct No. 1 (when working on the vehicle) to a location that does not interfere operation.
    Fig 4: Removing PCV Pipe From Clip
    G10266741Courtesy of SUBARU OF AMERICA, INC.
  12. Disconnect the vacuum control hose (A) and vacuum hose (B) from the vacuum pipe assembly, and remove the vacuum pipe assembly from the chain cover.
    Fig 5: Locating Vacuum Pipe Assembly Bolts
    G10266742Courtesy of SUBARU OF AMERICA, INC.
  13. 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 harness.
    Fig 6: Identifying Intake And Exhaust Oil Control Solenoid Connectors
    G10266743Courtesy of SUBARU OF AMERICA, INC.
  14. Disconnect the connector (A) from the exhaust camshaft position sensor LH and the connector (B) from the oil level switch, and remove the engine harness stay from the chain cover.
    Fig 7: Locating Exhaust Camshaft Position Sensor LH And Oil Level Switch Connectors
    G09480278Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the rubber cap from the oil pressure switch.
    Fig 8: Locating Oil Pressure Switch Rubber Cap
    G10266745Courtesy of SUBARU OF AMERICA, INC.
  16. 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 harness.
    Fig 9: Identifying Oil Pressure Switch And Engine Oil Temperature Sensor Connectors
    G10266746Courtesy of SUBARU OF AMERICA, INC.
  17. Pull out the oil level gauge (A), and remove the oil level gauge guide (B), crank pulley boss (C), and idler pulley (D).
    Fig 10: Locating Crank Pulley Boss And Idler Pulley
    G09480281Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the bolts securing the chain cover to engine.
    Fig 11: Locating Chain Cover Bolts To Engine
    G09480282Courtesy of SUBARU OF AMERICA, INC.
  19. 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.
    Fig 12: Identifying Cam Sprocket Sensor Plate Protrusions
    G10266749Courtesy of SUBARU OF AMERICA, INC.
    Fig 13: Locating Chain Cover
    G09480283Courtesy of SUBARU OF AMERICA, INC.
  20. Remove the O-rings from cylinder head RH, cylinder head LH, cylinder block LH and oil pan upper.
    Fig 14: Locating Cylinder Head And Oil Pan Upper O-Rings (RH And LH)
    G10266751Courtesy of SUBARU OF AMERICA, INC.
  21. Remove the liquid gasket from the chain cover and engine unit.
  22. Remove the front oil seal from the chain cover.
    Fig 15: Locating Chain Cover Front Oil Seal
    G09480285Courtesy of SUBARU OF AMERICA, INC.
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