Cooling System

Coolant Hose Connection Diagram





1 Radiator

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

• Replace coolant after replacing.

2 Generator

3 Oil cooler

• Removing and installing, refer to => [ Oil Cooler ] Service and Repair.

• Replace coolant after replacing.

4 Cylinder head/cylinder block

• Replacing coolant after replacing.

5 Coolant expansion tank

6 Cap

• Checking, pressure relief valve in cap, refer to => [ Cooling System, Checking for Leaks ] Component Tests and General Diagnostics.

7 Engine Coolant Temperature (ECT) sensor (G62)

8 Throttle valve control module (J338)

9 From heater core

10 To heater core

11 Coolant thermostat

• Removing and installing, refer to => [ Map Controlled Engine Cooling Thermostat ] Service and Repair.

12 Coolant pump

• Removing and installing, refer to => [ Coolant Pump ] Service and Repair.