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Home >> Honda >> 2021 >> CR-V Hybrid Touring >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System / Engine Mechanical - Service Information (Hybrid) >> Overhaul >> Engine Block Overhaul >> Removal >> Procedure

Engine Block Overhaul: Removal: Procedure

NOTE:

Numbered call-outs in figure pertain to list numbers in following procedure.

Fig 1: Exploded View Of Engine Block Overhaul Components For Removal (1 Of 2)
GHH378340Courtesy of HONDA, U.S.A., INC.
Replace
*1 These parts have inspection items
NOTE:

Numbered call-outs in figure pertain to list numbers in following procedure.

Fig 2: Exploded View Of Engine Block Overhaul Components For Removal (2 Of 2)
GHH378341Courtesy of HONDA, U.S.A., INC.
*1 These parts have inspection items
  1. Engine - Remove 
  2. Transmission (e-CVT) - Remove
  3. Drive Plate - Remove 
  4. Cylinder Head - Remove
  5. Oil Pan - Remove 
  6. Balancer Shaft/Balancer Shaft Holder Assembly - Remove 
  7. Transmission End Crankshaft Oil Seal - Remove
  8. Balancer Chain Guide - Remove
  9. Balancer Chain - Remove
  10. Crankshaft Sprocket - Remove
  11. Oil Control Orifice - Remove (if necessary)
  12. Engine Block Heat Insulator - Remove (if necessary)
  13. Connecting Rod Bearing Cap and Bearing Half - Remove

    NOTE:  Keep all connecting rod bearing caps and connecting rod bearings in order.

  14. Lower Block and Bearing Half - Remove
    GHH378342Courtesy of HONDA, U.S.A., INC.
    1. Remove the 8 mm bolts in the sequence shown.
    GHH378343Courtesy of HONDA, U.S.A., INC.
    2. Remove the bearing cap bolts. To prevent warpage, loosen the bolts in sequence 1/3 turn at a time; repeat the sequence until all bolts are loosened.
    GHH378344Courtesy of HONDA, U.S.A., INC.
    		 3. Using a flat blade screwdriver, separate the lower block from the engine block in the places shown.

    4. Remove the lower block and the bearings. Keep all the bearings in order.
  15. Crankshaft - Remove
  16. Thrust Washer - Remove
  17. CKP Pulse Plate - Remove
  18. L Side Cover - Remove (if necessary)
  19. Drain Bolt - Remove (if necessary)
  20. Sealing Bolt - Remove (if necessary)
  21. Oil Jet and Oil Jet Bolt - Remove
  22. Piston/Connecting Rod Assembly - Remove
    GHH378345Courtesy of HONDA, U.S.A., INC.
    		 1. If you can feel a ridge of metal or hard carbon around the top of each cylinder, remove it with a ridge reamer (A). Follow the reamer manufacturer's instructions. If the ridge is not removed, it may damage the piston as it is pushed out.
    GHH378346Courtesy of HONDA, U.S.A., INC.
    		 2. Use the wooden handle of a hammer (A) to drive out the piston/connecting rod assembly (B). Take care not to damage the cylinder with the connecting rod.

    3. Reinstall the connecting rod bearings and caps after removing each piston/connecting rod assembly.

    4. Mark each piston/connecting rod assembly with its cylinder number to make sure they are reinstalled in the original order.

    NOTE:  The existing number on the connecting rod does not indicate its position in the engine, it indicates the rod bore size.
  23. Piston Ring - Remove
    GHH378347Courtesy of HONDA, U.S.A., INC.
    		 1. Using a ring expander (A), remove the old piston rings (B).

    2. Clean all ring grooves thoroughly with a squared-off broken ring or a ring groove cleaner with a blade to fit the piston grooves. The top and second grooves are 1.0 mm (0.039 in) wide. The oil ring groove is 2.0 mm (0.079 in) wide. File down a blade if necessary. Do not use a wire brush to clean the ring grooves, or cut the ring grooves deeper with the cleaning tools.

    NOTE:  If the piston is to be separated from the connecting rod, do not install new rings yet.
  24. Piston Pin - Remove
    GHH378348Courtesy of HONDA, U.S.A., INC.
    		 1. Apply new engine oil to the piston pin snap rings (A), and turn them in the ring grooves until the end gaps are lined up with the cutouts in the piston pin bores (B).
    NOTE:  Take care not to damage the ring grooves.
    GHH378349Courtesy of HONDA, U.S.A., INC.
    		 2. Remove the snap rings (A) from both sides of each piston. Start at the cutout in the piston pin bore. Remove the snap rings carefully so they do not go flying or get lost. Wear eye protection.
    GHH378350Courtesy of HONDA, U.S.A., INC.
    		 3. Heat the piston and connecting rod assembly to about 158°F (70°C).

    4. Remove the piston pin.
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