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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Engine Cooling System (PHEV)) >> Integrated Thermal Management Module (ITM) >> Removal And Installation >> Heating Pipe

Heating Pipe

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery negative terminal.

    (Refer to Engine Electrical System - "AUXILIARY BATTERY ")

  2. Shut off the high voltage circuit.

    (Refer to General Information - "HIGH VOLTAGE SHUT-OFF PROCEDURES ")

  3. Remove the engine room under cover.

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

  4. Drain engine coolant by removing the drain plug.

    (Refer to Cooling System - "COOLANT ")

  5. Disconnect the heater hose (A).
    G14936859Courtesy of KIA MOTORS AMERICA, INC.
  6. Remove the integrated thermal management module valve (ITM).
  7. Remove the drive belt.

    (Refer to Drive Belt System - "DRIVE BELT ")

  8. Remove the drive belt tensioner.

    (Refer to Drive Belt System - "DRIVE BELT TENSIONER ")

  9. Remove the hybrid starter generator (HSG)

    (Refer to Hybrid Motor System - "HYBRID STARTER GENERATOR (HSG) ")

  10. Remove the heater pipe hose (A).
    G14936860Courtesy of KIA MOTORS AMERICA, INC.
    G14936861Courtesy of KIA MOTORS AMERICA, INC.
  11. Disconnect the EGR hose (A).
    G14936862Courtesy of KIA MOTORS AMERICA, INC.
  12. Remove the heater pipe mounting nuts (A).

    Tightening torque: 

    9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.8 lb.ft)

    G14936863Courtesy of KIA MOTORS AMERICA, INC.
  13. Remove the heater pipe.
    1. (2) Remove the heater pipe mounting bolts (A).

      Tightening torque: 

      9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.8 lb.ft)

    G14936864Courtesy of KIA MOTORS AMERICA, INC.
    1. (2) Remove the heater pipe mounting bolts (A).

      Tightening torque: 

      14.7 - 21.6 N.m (1.5 - 2.2 kgf.m, 10.8 - 16 lb.ft)

      G14936865Courtesy of KIA MOTORS AMERICA, INC.
  14. Install in the reverse order of removal.
    NOTE:
    • Always use new heater pipe gasket.

    Assemble the hose so that the circumference of the end of the hose comes into close contact with the plug at the specified position, and then place the clip in place.
  15. Fill with coolant.

    (Refer to Cooling System - "COOLANT ")

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