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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Lubrication System (Except For STI)) >> Oil Pan >> Installation >> Oil Pan Upper

Oil Pan Upper

WARNING: This page is about a different variant/trim than selected.
  1. Install the O-ring to the cylinder block.
    NOTE: Use new O-rings.
  2. Attach the clutch housing cover to the oil pan upper. (MT model)
  3. Attach the stud bolts to the oil pan upper.
  4. Attach the oil strainer to the oil pan upper.
    NOTE: Use new O-rings.
  5. Attach the baffle plate to the oil pan upper.

    Tightening torque: 

    T1: 5 N.m (0.5 kgf-m, 3.7 ft-lb)

    T2: 6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

    T3: 10 N.m (1.0 kgf-m, 7.4 ft-lb)

    G13259582Courtesy of SUBARU OF AMERICA, INC.
  6. Apply liquid gasket to the mating surface of the oil pan upper as shown in the figure, and install the oil pan upper to the cylinder block.
    NOTE:
    • Before applying liquid gasket, degrease the old liquid gasket seal surface of the oil pan upper and the cylinder block.
    • Install within 5 min. after applying liquid gasket.
    • Apply liquid gasket 1.5 mm (0.0591 in) outside from the chamfer surface. However, application of liquid gasket on the chamfer surface around the bolt hole is allowed.

    Liquid gasket: 

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

    Liquid gasket applying diameter: 

    5±1 mm (0.1969±0.0394 in)

    G13259583Courtesy of SUBARU OF AMERICA, INC.
  7. Tighten the bolts to secure the oil pan upper to the cylinder block in the numerical order shown in the figure.
    NOTE:
    • Install the bolt (a) shown in the figure using TORX® bit T45.
    • After tightening, if the liquid gasket is squeezed out onto the seal surface of the chain cover, completely remove any squeezed-out liquid gasket.

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb)

    G11576815Courtesy of SUBARU OF AMERICA, INC.
  8. Install the oil level switch. Refer to LUBRICATIONS EXCEPT FOR STI)>OIL LEVEL SWITCH>INSTALLATION .
  9. Install the oil pan. Refer to LUBRICATION (EXCEPT FOR STI)>OIL PAN>INSTALLATION>OIL PAN .
  10. Install the chain cover. Refer to MECHANICAL EXCEPT FOR STI>CHAIN COVER>INSTALLATION .
  11. Install the water pipe assembly. Refer to COOLING EXCEPT FOR STI)>WATER PIPE ASSEMBLY>INSTALLATION .
  12. Install the thermostat cover. Refer to COOLING EXCEPT FOR STI)>THERMOSTAT>INSTALLATION .
  13. Install the water pump. Refer to COOLING EXCEPT FOR STI)>WATER PUMP>INSTALLATION .
  14. Install the engine to the vehicle. Refer to MECHANICALS EXCEPT FOR STI)>ENGINE ASSEMBLY>INSTALLATION .
  15. Refill the engine oil. Refer to LUBRICATION (EXCEPT FOR STI)>ENGINE OIL>REPLACEMENT .
  16. Fill engine coolant. Refer to COOLING EXCEPT FOR STI)>ENGINE COOLANT>REPLACEMENT>FILLING OF ENGINE COOLANT .