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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical (H4DOTC) >> Cam Carrier >> Installation >> Cam Carrier LH

Cam Carrier LH

  1. Set the part so that the cylinder head LH is on the upper side.
  2. Apply engine oil to the valve shim and the roller rocker arm pivot, and install the valve shim and the roller rocker arm pivot to the cylinder head LH.
    Fig 1: Locating Valve Shim And Roller Rocker Arm Pivot To Cylinder Head LH
    G09480415Courtesy of SUBARU OF AMERICA, INC.
  3. Apply engine oil to the O-ring and the roller rocker arm, and install the O-ring and the roller rocker arm to the cylinder head LH.
    NOTE: Use new O-rings.
    Fig 2: Locating O-Ring And Roller Rocker Arm To Cylinder Head LH
    G11266946Courtesy of SUBARU OF AMERICA, INC.
  4. Apply liquid gasket to the mating surface of cam carrier LH as shown in the figure.
    NOTE:
    • Before applying liquid gasket, degrease the old liquid gasket seal surface of the cylinder head LH and cam carrier LH.
    • 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: 

    3±0.5 mm (0.1181±0.0197 in)

    Fig 3: Applying Liquid Gasket To Mating Surface Of Cam Carrier LH
    G11266965Courtesy of SUBARU OF AMERICA, INC.
  5. Install the cam carrier LH to the cylinder head LH.
    1. Mount the cam carrier LH, then tighten all bolts with a torque of 18 N.m (1.8 kgf-m, 13.3 ft-lb) in numerical order as shown in the figure.
      NOTE: Set the intake camshaft LH and the exhaust camshaft LH to the zero-lift position as shown in the figure.
      Fig 4: Setting Intake Camshaft LH And Exhaust Camshaft LH To Zero-Lift Position
      G09480434Courtesy of SUBARU OF AMERICA, INC.
      Fig 5: Cam Carrier LH Bolts Tightening Sequence
      G11266967Courtesy of SUBARU OF AMERICA, INC.
    2. Loosen the bolts (3 places) by 180° in numerical order as shown in the figure.
      Fig 6: Cam Carrier LH Bolts Loosening Sequence
      G11266968Courtesy of SUBARU OF AMERICA, INC.
    3. Tighten the bolts (3 places) with a torque of 18 N.m (1.8 kgf-m, 13.3 ft-lb) in numerical order as shown in the figure.
      Fig 7: Cam Carrier LH Bolts Tightening Sequence
      G11266969Courtesy of SUBARU OF AMERICA, INC.
    4. Loosen the bolts (3 places) by 180° in numerical order as shown in the figure.
      Fig 8: Cam Carrier LH Bolts Loosening Sequence
      G11266970Courtesy of SUBARU OF AMERICA, INC.
    5. Tighten the bolts (3 places) with a torque of 18 N.m (1.8 kgf-m, 13.3 ft-lb) in numerical order as shown in the figure.
      Fig 9: Cam Carrier LH Bolts Tightening Sequence
      G11266971Courtesy of SUBARU OF AMERICA, INC.
    6. Loosen the bolts (3 places) by 180° in numerical order as shown in the figure.
      Fig 10: Cam Carrier LH Bolts Loosening Sequence
      G11266972Courtesy of SUBARU OF AMERICA, INC.
    7. Tighten the bolts (3 places) with a torque of 18 N.m (1.8 kgf-m, 13.3 ft-lb) in 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.
    Fig 11: Cam Carrier LH Bolts Tightening Sequence
    G11266973Courtesy of SUBARU OF AMERICA, INC.
  6. Set the part so that the installation surface of the intake manifold is on the upper side.
  7. When the cam carrier LH has been disassembled
    NOTE: When the cam carrier LH has been disassembled, perform the following steps also.
    1. Install the cam sprocket LH. Ref. to MECHANICAL (H4DOTC)>Cam Sprocket>INSTALLATION>CAM SPROCKET LH .
    2. Install the high-pressure fuel pump. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>High Pressure Fuel Pump>INSTALLATION .
    NOTE: Install the high-pressure fuel pump so that the cam lobes on the intake camshaft LH are positioned as shown in the figure. Perform adjustment within the range of zero-lift (in range where it can be turned lightly by hand).
    Fig 12: Installing High-Pressure Fuel Pump Cam Lobes On Intake Camshaft LH
    G09480442Courtesy of SUBARU OF AMERICA, INC.
  8. Check the cam clearance. Ref. to MECHANICAL (H4DOTC)>Cam Clearance>INSPECTION>WHEN TIMING CHAIN ASSEMBLY IS REMOVED .
  9. Connect the water pipe hose to oil pan upper, and install the water pipe assembly.

    Tightening torque: 

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

    Fig 13: Locating Water Pipe Hose To Oil Pan Upper With Clip
    G09480412Courtesy of SUBARU OF AMERICA, INC.
  10. Temporarily tighten the flare nuts of the high-pressure fuel delivery pipe to the high-pressure fuel pump and fuel injector pipe by hand until they are seated, and then tighten the flare nuts.
    CAUTION: Always use a new fuel delivery pipe.

    Tightening torque: 

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

    Fig 14: Locating High-Pressure Fuel Delivery Pipe With Flare Nuts
    G10266869Courtesy of SUBARU OF AMERICA, INC.
  11. Install the fuel delivery pipe to the high-pressure fuel pump, and connect the connector (A) to the high-pressure fuel pump.
    CAUTION:
    • Check that there is no damage or dust on the quick connector. If necessary, clean the seal surface of the pipe.
    • When connecting the quick connector, make sure to insert it all the way in before locking the slider.
    • When it is difficult to lock the slider, check that the connector is fully inserted.
    • After locking the slider, check that the quick connector is securely connected.
    NOTE: Connect the quick connector as shown in the figure.
    Fig 15: Connecting Quick Connector
    G11266977Courtesy of SUBARU OF AMERICA, INC.
    Fig 16: Locating Connector To High-Pressure Fuel Pump
    G10266868Courtesy of SUBARU OF AMERICA, INC.
  12. Install the fuel pump insulator (A) to the high-pressure fuel pump, and then install the fuel pipe insulator No. 1 (B) to the high-pressure fuel delivery pipe.
    NOTE: By pushing the sections (a) shown in the figure, fix the fuel pipe insulator No. 1 (B) to the high-pressure fuel delivery pipe.
    Fig 17: Installing Fuel Pump Insulator To High-Pressure Fuel Pump
    G10266905Courtesy of SUBARU OF AMERICA, INC.
  13. Temporarily tighten the bolts securing the fuel pipe protector to the high-pressure fuel pump case.
    Fig 18: Locating Fuel Pipe Protector Bolt
    G09480407Courtesy of SUBARU OF AMERICA, INC.
  14. Secure the engine harness to the cam carrier LH with a clip.
    Fig 19: Locating Engine Harness To Cam Carrier LH With Clip
    G09480406Courtesy of SUBARU OF AMERICA, INC.
  15. Install the rocker cover LH. Ref. to MECHANICAL (H4DOTC)>Rocker Cover>INSTALLATION>ROCKER COVER LH .
  16. Install the intake manifold. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Intake Manifold>INSTALLATION .
  17. Tighten the bolts securing the fuel pipe protector to the high-pressure fuel pump case.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb)

    Fig 20: Locating Fuel Pipe Protector Bolt
    G10266908Courtesy of SUBARU OF AMERICA, INC.
  18. Install timing chain LH. Ref. to MECHANICAL (H4DOTC)>Timing Chain Assembly>INSTALLATION>TIMING CHAIN LH .
  19. Install the chain cover. Ref. to MECHANICAL (H4DOTC)>Chain Cover>INSTALLATION .
  20. Install the engine to the vehicle. Ref. to MECHANICAL (H4DOTC)>Engine Assembly>INSTALLATION .
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