Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: Cooling System / Integrated Thermal Management Module (ITM)

Hyundai Elantra (CN7) 2021-2024 Service Manual / Engine Mechanical System / Cooling System / Integrated Thermal Management Module (ITM)

Components and components location
Components

1. Integrated thermal management module (ITM)
2. Heater pipe
3. Heater hose
4. Turbo charger coolant hose
5. Heater pipe A
6. Heater pipe A gasket
7. Oil cooler hose A
8. Oil cooler pipe

Description and operation
Description
Integrated thermal management module (ITM) is a device that controls the coolant flow rate according to coolant temperature. At initial startup, the integrated thermal management module (ITM) quickly warms up the engine by controlling the flow of the coolant and this fast warm-up helps improve the fuel efficiency. When the coolant temperature rises, the integrated thermal management module (ITM) adjusts the cooling water temperature by controlling the valves to regulate the flow of coolant through a radiator or heater.

Repair procedures
Removal and Installation
Integrated Thermal Management Module (ITM)
   
•
Be careful that static electricity and other voltages are not applied to the integrated thermal management module (ITM).
•
Do not bring anything with magnetism, such as a magnet, close to the integrated thermal management module (ITM).
•
When disconnecting the integrated thermal management module (ITM) connector, make sure that there is no power to the engine and other components.
•
When connecting the integrated thermal management module (ITM) connector, water or oil must be completely removed from the connector and no foreign matters should be entered.
•
When replacing the integrated thermal management module (ITM) connector, be sure to use the specified connector.
1.
Disconnect the battery negative terminal.
2.
Remove the engine room under cover.
(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
3.
Drain the coolant.
(Refer to Cooling System - "Coolant")
4.
Remove the air duct and air cleaner assembly.
(Refer to Intake and Exhaust System - "Air Cleaner")
5.
Remove the battery.
(Refer to Engine Electrical System - "Battery")
6.
Remove the battery tray.
(Refer to Engine Electrical System - "Battery")
7.
Disconnect the integrated thermal management module (ITM) connector (A).

8.
Disconnect the intercooler inlet hose (A).
Tightening torque :
Clamp bolt : 4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)

   
•
Insert the hose until it reaches the end of stopper.
9.
Remove the intercooler pipe (A).
Tightening torque :
Mounting bolt : 18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)
Clamp bolt : 4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)

   
•
Insert the hose until it reaches the end of stopper.
•
When installing the intercooler inlet hose, Match the alignment marks.
10.
Disconnect the radiator upper hose (A).

11.
Disconnect the heater hose (A).

12.
Disconnect the oil cooler hose (A).

13.
Remove the integrated thermal management module (ITM) (A).
Tightening torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

14.
Install in the reverse order of removal.
15.
Fill with engine coolant.
(Refer to Cooling System - "Coolant")
   
•
The coolant must be injected according to the integrated thermal management module (ITM) coolant filling method.
16.
Start engine and check for leaks.
Heater Pipe
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 battery tray.
(Refer to Engine Electrical System - "Battery")
8.
Disconnect the heater hoses (A).

9.
Remove the integrated thermal management module (ITM).
10.
Remove the intake manifold.
(Refer to Intake and Exhaust System - "Intake Manifold")
11.
Remove the drive belt.
(Refer to Drive Belt System - "Drive Belt")
12.
Remove the alternator.
(Refer to Engine Electrical System - "Alternator")
13.
Disconnect the wiring connectors and harness clamps and remove the connector brackets around the heater pipe.
14.
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)

15.
Disconnect the heater outlet pipe hose (A).

16.
Disconnect the turbo charger coolant hose A (A).

17.
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)

18.
Install in the reverse order of removal.
   
•
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.
19.
Fill with engine coolant.
(Refer to Cooling System - "Coolant")
   
•
The coolant must be injected according to the integrated thermal management module (ITM) coolant filling method.
20.
Start engine and check for leaks.
Oil cooler pipe
1.
Remove the heater pipe
2.
Disconnect the cooler hose (A).

3.
Disconnect the cooler hose (A).

4.
Rmove the oil cooler pipe (A) after loosening the mounting bolts.
Tightening torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

5.
Install in the reverse order of removal.
6.
Fill with engine coolant.
(Refer to Cooling System - "Coolant")
   
•
The coolant must be injected according to the integrated thermal management module (ITM) coolant filling method.
7.
Start engine and check for leaks.

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