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Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.0L 4-Cylinder Engine >> Engine Block >> Disassembly

Engine Block: Disassembly

  1. M/T: remove flywheel.
  2. A/T: remove drive plate.
  3. Install engine to engine stand for disassembly.
  4. Remove timing belt. See REMOVAL  under TIMING SYSTEM.
  5. Remove cylinder head. See REMOVAL  under CYLINDER HEAD ASSEMBLY.
  6. Remove oil level gauge assembly (A).
    Fig 1: Removing Oil Level Gauge Assembly
    G00747526Courtesy of HYUNDAI MOTOR CO.
  7. Remove knock sensor (A).
    Fig 2: Removing Knock Sensor
    G00747527Courtesy of HYUNDAI MOTOR CO.
  8. Remove oil pressure sensor (A).
    Fig 3: Removing Oil Pressure Sensor
    G00747528Courtesy of HYUNDAI MOTOR CO.
  9. Remove water pump. See WATER PUMP .
  10. Remove oil pan (A).
    Fig 4: Removing Oil Pan
    G00747529Courtesy of HYUNDAI MOTOR CO.
  11. Remove oil screen.

    Remove the 2 bolts (C), oil screen (A) and gasket (B).

    Fig 5: Removing Oil Screen
    G00747530Courtesy of HYUNDAI MOTOR CO.
  12. Check the connecting rod end play. See Figure.
  13. Remove the connecting rod caps and check oil clearance. See Figure.
  14. Remove piston and connecting rod assemblies.
    1. Using a ridge reamer, remove all the carbon from the top of the cylinder.
    2. Push the piston, connecting rod assembly and upper bearing through the top of the cylinder block.
    NOTE:
    • Keep the bearings, connecting rod and cap together.
    • Arrange the piston and connecting rod assemblies in the correct order.
  15. Remove front case. See Figure.
  16. Remove rear oil seal case.

    Remove the 5 bolts (B) and rear oil seal case (A).

    Fig 6: Removing Rear Oil Seal Case
    G00747531Courtesy of HYUNDAI MOTOR CO.
  17. Remove crankshaft bearing cap and check oil clearance. See Figure.
  18. Check the crankshaft end play. See Figure.
  19. Lift the crankshaft (A) out of the engine, being careful not to damage journals.
    NOTE: Arrange the main bearings and trust washers in the correct order.
    Fig 7: Removing Crankshaft
    G00747532Courtesy of HYUNDAI MOTOR CO.
  20. Check fit between piston and piston pin.

    Try to move the piston back and forth on the piston pin. If any movement is felt, replace the piston and pin as a set.

  21. Remove piston rings.
    1. Using a piston ring expender, remove the 2 compression rings.
    2. Remove the 2 side rails and oil ring by hand.
      NOTE: Arrange the piston rings in the correct order only.
  22. Disconnect connecting rod from piston.
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