LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2016 >> Sonata Eco >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.6L (Except HEV) >> Engine Coolant Temperature Sensor (ECTS) >> Repair Procedures >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 OCV and WGV extension (A).
      Fig 1: Locating OCV And WGV Extension
      G10566692Courtesy of HYUNDAI MOTOR AMERICA
    2. Disconnect the ignition coil (A).
    3. Disconnect the CMPS (B).
    4. Disconnect the FPCV (C).
    5. Disconnect the PCSV (D).
    6. Remove the Engine wiring mounting bolts (E) and then remove the Engine wiring harness (F).
      Fig 2: Ignition Coil, CMPS, FPCV, PCSV And Engine Wiring Harness & Mounting Bolts
      G10566693Courtesy 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).
    Fig 3: Identifying Engine Coolant Temperature Sensor Connector
    G10566694Courtesy 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 ").