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Home >> Subaru >> 2022 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System >> Chain Cover >> Installation

Chain Cover: Installation

  1. Install new O-rings to cylinder head RH, cylinder head LH, cylinder block LH and oil strainer.
    NOTE: Apply a coat of engine oil to the O-rings.
    G16523859Courtesy of SUBARU OF AMERICA, INC.
  2. Apply liquid gasket if there is a dent at the positions as shown in the figure.

    Preparation items: 

    Liquid gasket: THREE BOND 1217G (part No. K0877Y0100), THREE BOND 1217H or equivalent

    G16523861Courtesy of SUBARU OF AMERICA, INC.
  3. Apply liquid gasket to the chain cover mating surface and center boss (5 places) as shown in the figure.
    NOTE:
    • Before applying liquid gasket, degrease the old liquid gasket seal surface of the engine and chain cover.
    • Install within 5 min. after applying liquid gasket.

    Preparation items: 

    Liquid gasket: THREE BOND 1217G (part No. K0877Y0100), THREE BOND 1217H or equivalent

    Liquid gasket applying diameter: 

    4±0.5 mm (0.1575±0.0197 in)

    G16523862Courtesy of SUBARU OF AMERICA, INC.
    (A) 14.5 mm (0.5709 in)
    (B) 17.5 mm (0.6890 in)
    (C) Range A
    (D) 316.2 mm (12.4488 in)
    (E) 24.5 mm (0.9646 in)
    (F) 18.5 mm (0.7283 in)
    (G) 127 mm (5.0000 in)
    (H) Range B
    (I) Liquid gasket applying position of mating surfaces of range A
    (J) Liquid gasket applying position of center boss (5 places)
    (K) Liquid gasket applying position of mating surfaces of range B
    (L) Liquid gasket applying position of mating surfaces other than range A and range B
    (M) ø4±0.5 mm
    (0.1575±0.0197 in)
    (N) 2.3 mm (0.0906 in)
    (O) ø12 mm (0.4724 in)
    (P) 2.8 mm (0.1102 in)
    (Q) 1 mm (0.0394 in)
  4. Set the chain cover, and tighten the bolts in numerical order as shown in the figure.
    CAUTION: The chain cover may contact the protrusion (a) of cam sprocket sensor plate and cause damage. When setting the chain cover, move the chain cover horizontally and set it while taking care not to contact with the cam sprocket.
    G16523857Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    T1: 10 N.m (1.0 kgf-m, 7.4 ft-lb)

    T2: 25 N.m (2.5 kgf-m, 18.4 ft-lb)

    Fig 1: Chain Cover Bolts Tightening Sequence With Torque Specification
    G16523864Courtesy of SUBARU OF AMERICA, INC.
    (A) M6x20
    (B) M6x50
    (C) M8x25
    (D) M8x60
  5. Place the engine wiring harness and secure the engine wiring harness with the clip (C).
  6. Connect the connector (B) and connector (A).
    G16523855Courtesy of SUBARU OF AMERICA, INC.
  7. Place the engine wiring harness and secure the engine wiring harness with the bolt.

    Tightening torque: 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

  8. Connect the connector (A) and connector (B).
    G16523854Courtesy of SUBARU OF AMERICA, INC.
  9. Install the fuel pipe protector RH No. 1. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL PIPE PROTECTOR>INSTALLATION>FUEL PIPE PROTECTOR RH>FUEL PIPE PROTECTOR RH NO. 1 .
  10. Install the oil level gauge guide. Ref. to LUBRICATION (H4DO)>OIL LEVEL GAUGE>INSTALLATION .
  11. Install the engine oil cooler pipe. Ref. to LUBRICATION (H4DO)>ENGINE OIL COOLER>INSTALLATION>ENGINE OIL COOLER PIPE .
  12. Attach the engine oil cooler. Ref. to LUBRICATION (H4DO)>ENGINE OIL COOLER>INSTALLATION>ENGINE OIL COOLER .
  13. Install the crank pulley. Ref. to MECHANICAL (H4DO)>CRANK PULLEY>INSTALLATION .
  14. Install the water pump pulley. Ref. to COOLING (H4DO)>WATER PUMP>INSTALLATION>WATER PUMP PULLEY .
  15. Install the idler pulleys No. 2 and No. 3. Ref. to MECHANICAL (H4DO)>V-BELT>INSTALLATION>IDLER PULLEY .
  16. Install the A/C compressor. Ref. to AIR CONDITIONER>COMPRESSOR>INSTALLATION .
  17. Install the generator. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>GENERATOR>INSTALLATION .
  18. Fill engine oil. Ref. to LUBRICATION (H4DO)>ENGINE OIL>REPLACEMENT .
  19. When working on the vehicle
    NOTE: When working on the vehicle, perform the following steps also.
    1. Connect the radiator outlet hose to the engine unit.
      G16523746Courtesy of SUBARU OF AMERICA, INC.
    2. Install the front exhaust pipe. Ref. to EXHAUST (H4DO)>FRONT EXHAUST PIPE>INSTALLATION .
    3. Set the generator cord, and secure the generator cord to the fuel pipe protector RH No. 1 using clip (C).
    4. Connect the connector (A) and terminal (B) to the generator.

      Tightening torque: 

      15.5 N.m (1.6 kgf-m, 11.4 ft-lb)

      G16523742Courtesy of SUBARU OF AMERICA, INC.
    5. Attach the radiator inlet hose. Ref. to COOLING (H4DO)>RADIATOR HOSE>INSTALLATION>RADIATOR INLET HOSE .
    6. Install the air intake boot. Ref. to INTAKE (INDUCTION) (H4DO)>AIR INTAKE BOOT>INSTALLATION .
    7. Fill engine coolant. Ref. to COOLING (H4DO)>ENGINE COOLANT>REPLACEMENT>FILLING OF ENGINE COOLANT
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