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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical (H4DOTC) >> Cylinder Block >> Removal

Cylinder Block: Removal

  1. Remove the engine from the vehicle. Ref. to MECHANICAL (H4DOTC)>Engine Assembly>REMOVAL .
  2. Remove the crankshaft position sensor plate with drive plate. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR690)>Drive Plate>REMOVAL .
  3. Remove the intake manifold. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Intake Manifold>REMOVAL .
  4. Remove the air intake adapter. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Tumble Generator Valve Assembly>REMOVAL .
  5. Remove the engine wiring harness. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Engine Wiring Harness>REMOVAL .
  6. Remove the chain cover. Ref. to MECHANICAL (H4DOTC)>Chain Cover>REMOVAL .
  7. Remove the rocker cover. Ref. to MECHANICAL (H4DOTC)>Rocker Cover>REMOVAL .
  8. Remove the cam carrier. Ref. to MECHANICAL (H4DOTC)>Cam Carrier>REMOVAL .
  9. Remove the cylinder head. Ref. to MECHANICAL (H4DOTC)>Cylinder Head>REMOVAL .
  10. Remove the crank sprocket. Ref. to MECHANICAL (H4DOTC)>Crank Sprocket>REMOVAL .
  11. Remove the engine rear hanger from cylinder block RH.
    Fig 1: Locating Engine Rear Hanger From Cylinder Block RH With Bolts
    G09480539Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the bolts securing the water pipe assembly and PCV connector to the cylinder block, and remove the water pipe assembly and PCV connector as a set from cylinder block.
    Fig 2: Locating Bolts Securing Water Pipe Assembly And PCV Connector To Cylinder Block
    G11267061Courtesy of SUBARU OF AMERICA, INC.
  13. Remove the O-ring from the cylinder block and PCV connector.
    Fig 3: Locating O-Ring From Cylinder Block And PCV Connector
    G11267062Courtesy of SUBARU OF AMERICA, INC.
  14. Remove the knock sensor from cylinder block LH.
    Fig 4: Locating Knock Sensor From Cylinder Block LH With Bolts
    G09480542Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the PCV valve from the cylinder block RH.
    Fig 5: Locating PCV Valve From Cylinder Block RH
    G09480543Courtesy of SUBARU OF AMERICA, INC.
  16. Remove the bolts securing the crankshaft position sensor holder from the cylinder block LH, and remove the crankshaft position sensor with crankshaft position sensor holder.
    Fig 6: Locating Bolts Securing Crankshaft Position Sensor Holder From Cylinder Block LH
    G09480544Courtesy of SUBARU OF AMERICA, INC.
  17. Remove the oil pan upper. Ref. to LUBRICATION(H4DO)>Oil Pan>REMOVAL>OIL PAN UPPER .
  18. Set the part so that the cylinder block RH is on the upper side.
  19. Remove the #1 and #3 connecting rod caps and pistons from the cylinder block.
    NOTE: Mark each connecting rod cap and piston with a cylinder number.
    1. Turn the crankshaft so that the #1 connecting rod cap (A) is located at the position shown in the figure using ST.

      ST 18252AA000 CRANKSHAFT SOCKET 

      Fig 7: Turning Crankshaft #1 Connecting Rod Cap
      G09480548Courtesy of SUBARU OF AMERICA, INC.
    2. Using ST, loosen the #1 connecting rod cap bolt, and remove the #1 connecting rod cap bolt and #1 connecting rod cap.

      ST 18270AA020 SOCKET 

      Fig 8: Loosening #1 Connecting Rod Cap Bolt
      G09480549Courtesy of SUBARU OF AMERICA, INC.
    3. Using the ST, turn the crankshaft counterclockwise and separate the positions of the #1 pin (A) of crankshaft and the large end (B) of #1 connecting rod.

      ST 18252AA000 CRANKSHAFT SOCKET 

      Fig 9: Turning Crankshaft Counterclockwise
      G09480550Courtesy of SUBARU OF AMERICA, INC.
    4. Push the #1 connecting rod in the direction of the arrow, and remove the #1 piston with #1 connecting rod from the cylinder block.
      Fig 10: Pushing #1 Connecting Rod
      G09480551Courtesy of SUBARU OF AMERICA, INC.
    5. Turn the crankshaft so that the #3 connecting rod cap (A) is located at the position shown in the figure using ST.

      ST 18252AA000 CRANKSHAFT SOCKET 

      Fig 11: Turning Crankshaft #3 Connecting Rod Cap
      G09480552Courtesy of SUBARU OF AMERICA, INC.
    6. Using ST, loosen the #3 connecting rod cap bolt, and remove the #3 connecting rod cap bolt and #3 connecting rod cap.

      ST 18270AA020 SOCKET 

      Fig 12: Loosening #3 Connecting Rod Cap Bolt
      G09480553Courtesy of SUBARU OF AMERICA, INC.
    7. Using the ST, turn the crankshaft counterclockwise and separate the positions of the #3 pin (A) of crankshaft and the large end (B) of #3 connecting rod.

      ST 18252AA000 CRANKSHAFT SOCKET 

      Fig 13: Turning Crankshaft Counterclockwise
      G09480554Courtesy of SUBARU OF AMERICA, INC.
    8. Push the #3 connecting rod in the direction of the arrow, and remove the #3 piston with #3 connecting rod from the cylinder block.
    Fig 14: Pushing #3 Connecting Rod
    G09480555Courtesy of SUBARU OF AMERICA, INC.
  20. Set the part so that the cylinder block LH is on the upper side.
  21. Remove #2 and #4 connecting rod caps and pistons in the same removal procedure as #1 and #3 connecting rod caps and pistons.
  22. Set the part so that the cylinder block RH is on the upper side, and separate the cylinder block.
    1. Remove the engine stand from the cylinder block RH.
      Fig 15: Locating Engine Stand From Cylinder Block RH
      G09480556Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the bolt shown in the figure.
      Fig 16: Locating Cylinder Block Mounting Bolts
      G09480557Courtesy of SUBARU OF AMERICA, INC.
    3. Loosen the cylinder block mounting bolts in numerical order as shown in the figure.
      Fig 17: Cylinder Block Mounting Bolts Loosening Sequence
      G09480558Courtesy of SUBARU OF AMERICA, INC.
    4. While tapping the cylinder block RH with a plastic hammer, separate the cylinder block RH from the cylinder block LH.
    NOTE: Lift the cylinder block RH gradually, and confirm that the crankshaft is remaining in the cylinder block LH. If the cylinder block RH is lifted carelessly when separating, the crankshaft may stick to cylinder block RH, then fall off.
  23. Remove the crankshaft from cylinder block LH, and remove the rear oil seal.
  24. Remove the O-ring from the cylinder block LH.
    Fig 18: Locating O-Ring From Cylinder Block LH
    G09480559Courtesy of SUBARU OF AMERICA, INC.
  25. Remove the crankshaft bearings from the cylinder block.
    NOTE:
    • Be careful not to confuse the crankshaft bearing combination.
    • Press the bearing at the end opposite to locking lip (A).
    Fig 19: Locating Crankshaft Bearings From Cylinder Block
    G09480560Courtesy of SUBARU OF AMERICA, INC.
  26. Remove the liquid gasket from cylinder block.
  27. Remove the cylinder block LH from the engine stand.
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