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Home › Honda › 2014 › Civic Hybrid › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System & Engine Mechanical - Testing & Troubleshooting (Hybrid) › Testing › Block and Piston Inspection › Removal

Block and Piston Inspection: Removal

  1. Engine Wire Harness 
    GHH123931Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the engine wire harness.
  2. Starter 
    GHH132717Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the starter.
  3. CVT Transmission Assembly 
    GHH132718Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the CVT transmission assembly.
  4. CVT Flywheel 
    GHH123932Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the CVT flywheel (A).

    2. Remove the sealing ring (B).

    3. Remove the dowel pins (C).
  5. Drive Plate Assembly 
    GHH123933Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the flywheel support (A) and the drive plate (B).

    2. Inspect the drive plate and the flywheel support, and replace it if it is damaged.
  6. IMA Motor Rotor 
    GHH123934Courtesy of HONDA, U.S.A., INC.
    		 1. Tape together end to end two plastic sheets (300 long by 200 wide by 0.2 mm thick) and install them between the IMA motor rotor (B) and motor stator (C) to protect them during removal.
    GHH123935Courtesy of HONDA, U.S.A., INC.
    		 2. Remove three of the six bolts as shown.
    GHH123936Courtesy of HONDA, U.S.A., INC.
    		 3. Install the rotor puller guide pins, then remove the remaining three bolts (A).
    GHH123937Courtesy of HONDA, U.S.A., INC.
    		 4. Attach the rotor puller with it's supplied bolts.
    NOTE: When installing the rotor puller, position the puller to fit over the guide pins (A).
    GHH123938Courtesy of HONDA, U.S.A., INC.
    		 5. Turn the handle of rotor puller.

    6. Remove the IMA motor rotor (A).
    GHH123939Courtesy of HONDA, U.S.A., INC.
    		 7. To prevent damage to the rotor magnet while working on the stator, place the rotor with the puller attached into the puller case.
  7. IMA Motor Housing 
    GHH123940Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the connector (A), the stays (B), the harness clamp (C), and the heat shield (D).
    GHH123941Courtesy of HONDA, U.S.A., INC.
    		 2. Remove the IMA motor housing.
  8. IMA Motor Rotor Position Sensor 
    GHH123942Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the IMA motor rotor position sensor.
  9. Intake Manifold Bracket 
    GHH132719Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the intake manifold bracket.
  10. Intake Manifold/Chamber and Throttle Body Assembly 
    GHH123943Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the intake manifold/chamber assembly with the throttle body.
  11. A/F Sensor 
    GHH132720Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the A/F sensor.
  12. Exhaust Chamber Cover 
    GHH123944Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the exhaust chamber cover.
  13. WU-TWC and EGR Pipe Assembly 
    GHH123945GHH123946Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.
    GHH123945GHH123946Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.
    		 1. Remove the EGR pipe.

    2. Remove the warm up TWC assembly.
  14. Water Pump Pulley 
    GHH123947Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the water pump pulley.
  15. Auto Tensioner Assembly 
    GHH123948Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the drive belt auto-tensioner.
  16. Water Pump 
    GHH123949Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the water pump.
  17. Thermostat Housing Assembly 
    GHH132721Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the thermostat housing assembly.
  18. Ignition Coil 
    GHH132722Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the ignition coil.
  19. Cylinder Head Cover and/or Packing 
    GHH123950Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the cylinder head cover.
  20. Check the No. 1 Piston at Top Dead Center (With Cam Chain Case/Oil Pump) 
    GHH123951Courtesy of HONDA, U.S.A., INC.
    		 1. Set the No. 1 piston at top dead center (TDC). The "UP" mark (A) on the camshaft sprocket should be at the top, and the TDC grooves (B) on the camshaft sprocket should line up with the top edge of the head.
  21. Crankshaft Pulley 
    GHH123952Courtesy of HONDA, U.S.A., INC.
    		 1. Hold the pulley with the holder handle (A) and the crankshaft pulley holder (B).

    2. Remove the bolt with a socket, 19 mm (C) and a breaker bar.

    3. Remove the crankshaft pulley.
  22. Cam Chain Case 
    GHH132723Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the cam chain case.
  23. Cam Chain Tensioner Slider 
    GHH123953Courtesy of HONDA, U.S.A., INC.
    		 1. Apply new engine oil to the sliding surface of the cam chain tensioner slider (A).

    2. Hold the cam chain tensioner slider with a screwdriver, then remove the upper bolt (B), and loosen the lower bolt (C).
    GHH123954Courtesy of HONDA, U.S.A., INC.
    		 3. Remove the cam chain tensioner slider.
  24. Cam Chain Tensioner and Guide 
    GHH132724Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the cam chain tensioner (A) and the cam chain guide (B).
  25. Cam Chain 
    GHH132725Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the cam chain.
  26. Cylinder Head Assembly 
    Fig 1: Cylinder Head Assembly Loostening Sequence
    GHH123955Courtesy of HONDA, U.S.A., INC.
      1. Remove the cylinder head bolts. To prevent warpage, loosen the bolts in sequence, 1/3 turn at a time, repeat the sequence until all bolts are loosened.

    2. Remove the cylinder head.
  27. Oil Pan Assembly 
    GHH132726Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the bolts securing the oil pan.

    2. Use a flat blade screwdriver where shown, and separate the oil pan from the engine block.

    3. Remove the oil pan.

    NOTE: Lower the oil pan carefully not to damage the IMA motor (resolver stator).
  28. Engine Oil Strainer 
    GHH123956Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the oil strainer.
  29. Engine Oil Pump Assembly 
    GHH123957Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the oil pump.
  30. Crankshaft Oil Seal Transmission Side 
    GHH123958Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the crankshaft oil seal.
  31. Crankshaft Bearing Caps/Bearing Halves 
    Fig 2: Crankshaft Bearing Caps/Bearing Halves Loostening Sequence
    GHH123959Courtesy of HONDA, U.S.A., INC.
      1. Remove the bearing cap bridge bolts. To prevent warpage, loosen the bolts in sequence 1/3 turn at a time; repeat the sequence until all bolts are loosened.

    2. Remove the bearing cap bridge.

    3. Remove the connecting rod caps/bearings. Keep all caps/bearings in order.
  32. Connecting Rod Caps/Bearing Halves 
    GHH123960Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the connecting rod caps (A) and the connecting rod bearing halves (B). Keep all connecting rod caps/bearing halves in order.
  33. Crankshaft Assembly 
    GHH123961Courtesy of HONDA, U.S.A., INC.
    		 1. Lift crankshaft (A) out of the engine block, being careful not to damage the journals and the CKP pulse plate (B).
  34. Piston/Connecting Rod Assembly 
    GHH123962Courtesy 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.
    GHH123963Courtesy 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 oil jets or 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.
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