Hyundai Elantra (CN7): Cooling System / Radiator

Hyundai Elantra (CN7) 2021-2026 Service Manual / Engine Mechanical System / Cooling System / Radiator

Components and components location

Components

1. Radiator
2. Radiator upper hose
3. Radiator lower hose
4. Filler neck assembly
5. Radiator upper mounting bracket
6. Radiator lower mounting insulator
7. Radiator air guard

Repair procedures

Removal and Installation
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 cooling fan assembly.
(Refer to Cooling System - "Cooling Fan")
5.
Disconnect the radiator lower hose (A).

6.
Disconnect the radiator upper hose (A)

7.
Remove the front bumper.
(Refer to Body (Interior and Exterior) - "Front Bumper")
8.
Remove the air guard (A).
Tightening torque :
3.9 - 5.9 Nm (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)

9.
Remove the side air guard (A).
Tightening torque :
3.9 - 5.9 Nm (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)
[RH]

[LH]

10.
Loosen the intercooler mounting bolts (A).
Tightening torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
[RH]

[LH]

11.
Remove the radiator upper mounting bracket bolts (A).
Tightening torque :
7.8 - 11.8 Nm (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
[RH]

[LH]

12.
Separate the A/C condenser from the radiator and then remove the radiator (A) from the vehicle.

13.
Install in the reverse order of removal.
14.
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.
15.
Start engine and check for leaks.
Inspection
Radiator Leakage Test
1.
Wait for the engine to cool. Carefully remove the coolant reservoir tank cap and fill the radiator with engine coolant. Then, install it on the pressure tester.
2.
Apply a pressure tester to the radiator and apply a pressure of 125.3 - 154.7 kPa (1.28 - 1.58 kgf/cm², 22.44 - 18.17 psi).
3.
Inspect for engine coolant leaks and a drop in pressure.
4.
Remove the tester and reinstall the radiator cap.
   
•
Check for engine oil in the coolant and/or coolant in the engine oil.

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