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Home › Subaru › 2019 › Ascent Base › Repair and Diagnosis › Engine Mechanical › Engine Lubrication System › Oil Pan › Installation › Oil Pan Upper

Oil Pan Upper

  1. Install a new O-ring to the cylinder block.
    G13199150Courtesy of SUBARU OF AMERICA, INC.
  2. Apply liquid gasket to the mating surface of the oil pan upper as shown in the figure, and temporarily 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.
    • 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: 

    4.5±1 mm (0.1772±0.0394 in)

    G13199156Courtesy of SUBARU OF AMERICA, INC.
  3. Tighten the bolts in the numerical order as shown in the figure.
    NOTE: 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)

    Fig 1: Oil Pan Upper Bolts Tightening Sequence
    G13199157Courtesy of SUBARU OF AMERICA, INC.
  4. Temporarily install the oil strainer.
  5. Tighten the bolts in the numerical order as shown in the figure.

    Tightening torque: 

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

    Fig 2: Oil Strainer Bolts Tightening Sequence
    G13199151Courtesy of SUBARU OF AMERICA, INC.
  6. Install the oil pan. Ref. to LUBRICATION (H4DOTC)>OIL PAN>INSTALLATION>OIL PAN .
  7. Install the oil level switch. Ref. to LUBRICATION (H4DOTC)>OIL LEVEL SWITCH>INSTALLATION .
  8. Install the chain cover. Ref. to MECHANICAL (H4DOTC)>CHAIN COVER>INSTALLATION .
  9. Install the water pipe LH. Ref. to COOLING (H4DOTC)>WATER PIPE>INSTALLATION>WATER PIPE LH .
  10. Install the water pipe RH. Ref. to COOLING (H4DOTC)>WATER PIPE>INSTALLATION>WATER PIPE RH .
  11. Install the thermostat cover. Ref. to COOLING (H4DOTC)>THERMOSTAT>INSTALLATION>ENGINE SIDE .
  12. Install the water pump. Ref. to COOLING (H4DOTC)>WATER PUMP>INSTALLATION .
  13. Install the engine. Ref. to MECHANICAL (H4DOTC)>ENGINE ASSEMBLY>INSTALLATION .
  14. Fill engine oil. Ref. to LUBRICATION (H4DOTC)>ENGINE OIL>REPLACEMENT .
  15. Connect the battery ground terminal. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  16. Fill engine coolant. Ref. to COOLING (H4DOTC)>ENGINE COOLANT>REPLACEMENT>FILLING OF ENGINE COOLANT .
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