Cooling System

Coolant Hose Connection Diagram





1 Radiator

• Removing and installing, refer to --> [ Radiator ] Service and Repair.

• Replace coolant after replacing.

2 Coolant line

3 Intake manifold

4 Coolant pump and coolant thermostat

• Coolant pump removing and installing, refer to --> [ Coolant Pump ] Service and Repair.

• Thermostat removing and installing, refer to --> [ Coolant Thermostat ] Service and Repair.

5 Front coolant line

• Secured to the accessory bracket.

6 Right coolant line

• Secured to the engine mount.

7 Expansion tank

• With sealing cap.

• Checking pressure relief valve in cap, refer to --> [ Pressure Relief Valve in Cap, Checking ] Testing and Inspection.

8 Rear coolant pipe

9 Cylinder head/cylinder block

• Replace coolant after replacing.

10 Coolant distribution housing

11 Quick release coupling

• Lower connection.

12 Heater core of heater

• Replace coolant after replacing.

13 Quick release coupling

• Upper connection.

14 Bypass thermostat

• Only for vehicles with automatic transmissions.

• Assembly overview, refer to --> [ Bypass Thermostat Assembly Overview ] [1][2]Cooling System Components Assembly Overview, Engine Side

• Checking, refer to --> [ Checking Bypass Thermostat ] [1][2]Cooling System Components Assembly Overview, Engine Side.

15 Automatic Transmission Fluid (ATF) cooler

• Only for vehicles with automatic transmission.

16 Oil cooler

17 Coolant hose

Two versions:

• Without engine pre-warming.

• With engine pre-warming.

18 Pre-warming

• Only on vehicles with engine pre-warming.

19 Throttle valve control module (J338)

• Connection only for coolant heated throttle valve control module.

20 Coolant hoses

• Only for throttle valve control module heated by coolant.

21 Quick release coupling

• Upper connection.

22 Quick release coupling

• Lower connection.