Cooling System

Coolant Hose Connection Diagram






1 Radiator

• Removing and installing, refer to => [ Radiator ] Radiator.

• Replace the coolant after replacing.

2 Coolant Pipe

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 ] Coolant Thermostat.

• Checking the coolant thermostat, see - item 17 - in Part 1 of the => [ Coolant Pump and Thermostat Overview ] Coolant Pump and Thermostat Overview.

5 Front Coolant Pipe

• Secured to the accessory bracket.

6 Right Coolant Pipe

• Secured to the engine mount.

7 Expansion Tank

• With a cap.

• Checking the pressure relief valve in the cap. Refer to => [ Checking the Pressure Relief Valve in the Cap ] Testing and Inspection.

8 Rear Coolant Pipe

9 Cylinder Head/Cylinder Block

• Replace the coolant after replacing.

10 Coolant Flange

11 Quick-Release Coupling

• Lower connection.

12 Heater Core

• Replace the coolant after replacing.

13 Quick-Release Coupling

• Upper connection.

14 Bypass Thermostat

• Only for vehicles with a automatic transmission.

• Overview, refer to => [ Bypass Thermostat Overview ] Coolant Pump and Thermostat Overview.

• Checking, refer to => [ Checking the Bypass Thermostat: ] Coolant Pump and Thermostat Overview.

15 Automatic Transmission Fluid Cooler

• Only for vehicles with a automatic transmission.

16 Engine Oil Cooler

17 Coolant Hose

2 versions:

• Without a engine pre-warmer

• With a engine pre-warmer

18 Pre-Warmer

• Only on vehicles with a engine pre-warmer.

19 Throttle Valve Control Module (J338)

• Connection only for a coolant heated throttle valve control module.

20 Coolant Hoses

• Only for a throttle valve control module heated by coolant.

21 Quick-Release Coupling

• Upper connection.

22 Quick-Release Coupling

• Lower connection.