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Home › Hyundai › 2021 › Ioniq Plug-In Hybrid Limited › Repair and Diagnosis › Engine Mechanical › Mechanical › Timing System (PHEV) › Timing Chain › Repair Procedures › Removal

Repair Procedures: Removal

WARNING:
  • Be sure to read and follow the "GENERAL SAFETY INFORMATION & CAUTION " before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.
  • Be sure to read and follow the "HIGH VOLTAGE SHUT-OFF PROCEDURES " before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.
  1. Shut off the high voltage circuit.

    (Refer to General Information - "HIGH VOLTAGE SHUTOFF PROCEDURE ")

  2. Disconnect the battery negative terminal.
  3. Remove the cylinder head cover.

    (Refer to Cylinder Head Assembly - "CYLINDER HEAD COVER ")

  4. Set No. 1 cylinder to TDC (Top dead center) on compression stroke.
    1. Turn the crankshaft damper pulley and align its groove with the timing mark of the timing chain cover.
      G13562437Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the timing chain cover.

    (Refer to Timing System - "TIMING CHAIN COVER ")

  6. Put paint marks on the timing chain links (3 places) that meet with the timing marks of the camshaft sprockets (In, Ex: 2) and the crankshaft sprocket.
  7. Remove the timing chain tensioner (A).
    G13562438Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Do not reuse the detached tensioner.
    • If need to reuse the tensioner, remove the tensioner, make the piston (A) to protrude maximally, push the piston (A) to the end, and then mount the stopper pin.

      At this time, the tensioner fixing pin should be placed in the same way as when the product was first delivered from the factory.

    G13562439Courtesy of HYUNDAI MOTOR AMERICA
    G13562440Courtesy of HYUNDAI MOTOR AMERICA
    G13562441Courtesy of HYUNDAI MOTOR AMERICA
    G13562442Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the timing chain tensioner arm (A).
    G13562443Courtesy of HYUNDAI MOTOR AMERICA
  9. Remove the timing chain guide (A).
    G13562444Courtesy of HYUNDAI MOTOR AMERICA
  10. Remove the timing chain cam guide (A).
    G13562445Courtesy of HYUNDAI MOTOR AMERICA
  11. Remove the timing chain (A).
    G13562446Courtesy of HYUNDAI MOTOR AMERICA
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