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Chain Cover: Installation

  1. Degrease the press-fit section for the chain cover front oil seal, and install new front oil seal using ST.
    CAUTION: Do not apply fluid such as engine oil to the front oil seal and the chain cover; otherwise engine oil leakage may occur.

    ST 41399FG020

    SPECIAL TOOL B

    Front oil seal press-fit position: 

    1+0-1 mm (0.0394+0-0.0394 in) position from chain cover end face

    G12395484Courtesy of SUBARU OF AMERICA, INC.
  2. 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.
    G11253237Courtesy of SUBARU OF AMERICA, INC.
  3. If there are gaps between head gasket and the chain cover seal surface between the cylinder head and cylinder block (A), apply liquid gasket into the gaps.

    Liquid gasket: 

    THREE BOND 1217G (Part No. K0877Y0100), THREE BOND 1217H or equivalent

    G11253241Courtesy of SUBARU OF AMERICA, INC.
  4. 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.

    Liquid gasket: 

    THREE BOND 1217G (Part No. K0877Y0100), THREE BOND 1217H or equivalent

    Liquid gasket applying diameter: 

    4±0.5 mm (0.1575±0.0197in)

    G12395487Courtesy of SUBARU OF AMERICA, INC.
  5. 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.
    G11253235Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    T1: 10 N.m (1.0kgf-m, 7.4ft-lb) 

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

    Fig 1: Chain Cover Bolts Tightening Sequence
    G12395489Courtesy of SUBARU OF AMERICA, INC.
  6. Install the crank pulley boss (C) and oil level gauge guide (B), and insert the oil level gauge (A).
    NOTE:
    • Use a new O-ring to the oil level gauge guide.
    • Apply a light coat of engine oil to the O-rings of the oil level gauge guide and the oil level gauge.

    Tightening torque: 

    6.4N.m (0.7kgf-m, 4.7ft-lb) 

    G11253233Courtesy of SUBARU OF AMERICA, INC.
  7. Secure the engine wiring harness with clip (H) and clip (G), and connect connector (F), connector (E), connector (D) and terminal (C). (Impreza model)
  8. Secure the oil level switch harness with clip (B), and connect the connector (A). (Impreza model)
    G11253232Courtesy of SUBARU OF AMERICA, INC.
  9. Secure the engine wiring harness with clip (I) and clip (H), and connect connector (G), connector (F), connector (E) and terminal (D). (Crosstrek model)
    NOTE: The oil pressure switch harness must be positioned toward the left lower side of the vehicle within the range of 90°.
    G12395492Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    1.5N.m (0.2kgf-m, 1.1ft-lb) 

  10. Attach the rubber cap (C) to the oil pressure switch. (Crosstrek model)
  11. Secure the oil level switch harness with clip (B), and connect the connector (A). (Crosstrek model)
    G12395477Courtesy of SUBARU OF AMERICA, INC.
  12. Secure the engine wiring harness with clip (D) and clip (C), and connect connector (B) and connector (A).
    G11253231Courtesy of SUBARU OF AMERICA, INC.
  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 .
  15. Install the A/C compressor. Ref. to AIR CONDITIONER>Compressor>INSTALLATION .
  16. Install the generator. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>Generator>INSTALLATION .
  17. Install the V-belt tensioner assembly. Ref. to MECHANICAL (H4DO)>V-belt>INSTALLATION>V-BELT TENSIONER ASSEMBLY .
  18. Install the V-belts. Ref. to MECHANICAL (H4DO)>V-belt>INSTALLATION>V-BELT .
  19. Fill engine oil. Ref. to LUBRICATION (H4DO)>Engine Oil>REPLACEMENT .
  20. When working on the vehicle
    NOTE: When working on the vehicle, perform the following steps also.
    1. Install the radiator and the condenser as a assembly. Ref. to COOLING (H4DO)>Radiator>INSTALLATION .
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