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Home >> Subaru >> 2023 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System >> Chain Cover >> Removal

Chain Cover: Removal

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. Drain engine coolant. Ref. to COOLING (H4DO)>ENGINE COOLANT>REPLACEMENT>DRAINING OF ENGINE COOLANT .
    2. Perform the steps below to remove the air intake boot, and place it aside so that it does not interfere with the work.
      CAUTION: Do not remove the PCV hose No. 2 (a).
      1. Remove the air cleaner case. Ref. to INTAKE (INDUCTION) (H4DO)>AIR CLEANER CASE>REMOVAL .
        NOTE: When removing/installing the chain cover, the chain cover may come in contact with the air cleaner case bracket. Therefore, the air cleaner case bracket must also be removed.
      2. Loosen the clamp, remove the air intake boot, and place it aside so that it does not interfere with the work.
        CAUTION: Be careful not to pull out the PCV hose No. 2 (a).
        G16523197Courtesy of SUBARU OF AMERICA, INC.
      3. Remove the radiator inlet hose. Ref. to COOLING (H4DO)>RADIATOR HOSE>REMOVAL>RADIATOR INLET HOSE .
      4. Disconnect the connector (A) and terminal (B) from the generator.
      5. Remove the clip (C) securing the generator cord to the fuel pipe protector RH No. 1, and place it aside so that it does not interfere with the work.
        G16523742Courtesy of SUBARU OF AMERICA, INC.
      6. Remove the front exhaust pipe. Ref. to EXHAUST (H4DO)>FRONT EXHAUST PIPE>REMOVAL .
      7. Disconnect the radiator outlet hose from the engine unit.
      G16523746Courtesy of SUBARU OF AMERICA, INC.
  2. Drain the engine oil. Ref. to LUBRICATION (H4DO)>ENGINE OIL>REPLACEMENT .
  3. Remove the generator. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>GENERATOR>REMOVAL .
  4. Remove the A/C compressor. Ref. to AIR CONDITIONER>COMPRESSOR>REMOVAL .
  5. Remove the idler pulleys No. 2 and No. 3. Ref. to MECHANICAL (H4DO)>V-BELT>REMOVAL>IDLER PULLEY .
  6. Remove the water pump pulley. Ref. to COOLING (H4DO)>WATER PUMP>REMOVAL>WATER PUMP PULLEY .
  7. Remove the crank pulley. Ref. to MECHANICAL (H4DO)>CRANK PULLEY>REMOVAL 
  8. Remove the engine oil cooler. Ref. to LUBRICATION (H4DO)>ENGINE OIL COOLER>REMOVAL>ENGINE OIL COOLER .
  9. Remove the engine oil cooler pipe. Ref. to LUBRICATION (H4DO)>ENGINE OIL COOLER>REMOVAL>ENGINE OIL COOLER PIPE .
  10. Remove the oil level gauge guide. Ref. to LUBRICATION (H4DO)>OIL LEVEL GAUGE>REMOVAL .
  11. Remove the fuel pipe protector RH No. 1. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL PIPE PROTECTOR>REMOVAL>FUEL PIPE PROTECTOR RH>FUEL PIPE PROTECTOR RH NO. 1 .
  12. Remove the connector (A) and connector (B).
  13. Release the bolt securing the engine wiring harness, and place it aside so that it does not interfere with work.
    G16523854Courtesy of SUBARU OF AMERICA, INC.
  14. Remove the connector (A) and connector (B).
  15. Remove the clip (C) securing the engine wiring harness, and place it aside so that it does not interfere with work.
    G16523855Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the bolts securing the chain cover to the engine.
    G16523856Courtesy of SUBARU OF AMERICA, INC.
  17. Expand the area shown in the figure using a crowbar or a similar tool wrapped in tape for protection, and 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.
    G16523857Courtesy of SUBARU OF AMERICA, INC.
    G16523858Courtesy of SUBARU OF AMERICA, INC.
  18. Remove the O-rings from cylinder head RH, cylinder head LH, cylinder block LH and the oil strainer.
    G16523859Courtesy of SUBARU OF AMERICA, INC.
  19. Remove the liquid gasket from the chain cover and engine unit.
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