2021 Hyundai Veloster TurboFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Removal

  1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Remove the air cleaner assembly and air intake hose.

    (Refer to Engine Mechanical System - "AIR CLEANER ")

  3. Remove the engine wiring.
    1. Disconnect the ignition coil (A)
    2. Disconnect the OCV (B)
    3. Disconnect the CMPS (C)
    4. Disconnect the FPCV (D)
    5. Disconnect the PCSV (E)
    6. Remove the engine wiring mounting bolts (F) and then remove the engine wiring harness (G)
      G13052567Courtesy of HYUNDAI MOTOR AMERICA
  4. Remove the vacuum pipe mounting bolts (A) and make a gap by moving the bracket.
  5. Disconnect the engine coolant temperature sensor connector (B).
  6. Remove the engine coolant temperature sensor (C).
    G13052568Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Note that engine coolant may be flowed out from the water temperature control assembly when removing the sensor.
  7. Fill with engine coolant.

    (Refer to Engine Mechanical System - "COOLANT ")

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.