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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Cooling System - 1.6L (Except HEV)) >> Integrated Thermal Management Module (ITM) >> Repair Procedures >> Removal And Installation >> Heater Pipe

Heater Pipe

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the battery negative terminal.
  2. Remove the engine cover.

    (Refer to Engine and Transaxle Assembly - "ENGINE COVER ")

  3. Remove the engine room under cover.

    (Refer to Engine and Transaxle Assembly - "ENGINE ROOM UNDER COVER ")

  4. Drain the coolant.

    (Refer to Cooling System - "COOLANT ")

  5. Remove the air duct and air cleaner assembly.

    (Refer to Intake and Exhaust System - "AIR CLEANER ")

  6. Remove the battery.

    (Refer to Engine Electrical System - "BATTERY ")

  7. Remove the engine control module (ECM).

    (Refer to Engine Control/Fuel System - "ENGINE CONTROL MODULE (ECM) ")

  8. Remove the battery tray.

    (Refer to Engine Electrical System - "BATTERY ")

  9. Disconnect the heater hoses (A).
    G14524474Courtesy of HYUNDAI MOTOR AMERICA
  10. Remove the integrated thermal management module (ITM).
  11. Remove the intake manifold.

    (Refer to Intake and Exhaust System - "INTAKE MANIFOLD ")

  12. Remove the drive belt.

    (Refer to Timing System - "DRIVE BELT ")

  13. Remove the alternator.

    (Refer to Engine Electrical System - "ALTERNATOR ")

  14. Disconnect the wiring connectors and harness clamps and remove the connector brackets around the heater pipe.
  15. Remove the heater pipe B mounting nuts (A)

    Tightening torque: 

    9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

    G14524475Courtesy of HYUNDAI MOTOR AMERICA
  16. Disconnect the heater outlet pipe hose (A).
    G14524476Courtesy of HYUNDAI MOTOR AMERICA
  17. Disconnect the EGR coolant hose A (A).
    G14524477Courtesy of HYUNDAI MOTOR AMERICA
  18. Remove the heater pipe A and heater pipe B (A).

    Tightening torque: 

    Bolt (B): 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

    Bolts (C): 14.7 - 21.6 N.m (1.5 - 2.2 kgf.m, 10.8 - 15.9 lb-ft)

    G14524478Courtesy of HYUNDAI MOTOR AMERICA
  19. Install in the reverse order of removal.
    NOTE:
    • Always use a new integrated thermal management module (ITM) O-ring.
    • When assembling the hose, Use a product with EPDM rubber stability.
    • If a hose lubricant is applied, fill the coolant after 30 minutes of assembly.
    • Place the hose at the specified location of the stopper and assemble them together. The front side of stoppers should be in close contact with the hose. And then, place the clamp at the correct location.
  20. Fill with engine coolant.

    (Refer to Cooling System - "COOLANT ")

    NOTE:
    • The coolant must be injected according to the integrated thermal management module (ITM) coolant filling method.
  21. Start engine and check for leaks.
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