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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 49 (Cylinder Head Assembly (HEV)) >> Cylinder Head >> Repair Procedures >> Disassembly

Repair Procedures: Disassembly

WARNING: This page is about a different variant/trim than selected.
NOTE: Identify MLA (Mechanical Lash Adjuster), valves, valve springs as they are removed so that each item can be reinstalled in its original position.
  1. Remove the MLAs (A).
    Fig 1: Removing/Installing MLAs
    G10588256Courtesy of HYUNDAI MOTOR AMERICA
  2. Remove the valves.
    1. Using SST (09222-3K000, 09222-3K100), compress the valve spring and remove retainer lock.
      Fig 2: Compressing Valve Spring Using Special Tool
      G10588257Courtesy of HYUNDAI MOTOR AMERICA
    2. Remove the spring retainer.
    3. Remove the valve spring.
    4. Remove the valve.
    5. Using needle-nose pliers, remove the valve stem seal.
      NOTE: Do not reuse old valve stem seals.