Coolant Hose Connection Diagram, With Auxiliary Heater

Coolant Hose Connection Diagram, with Auxiliary Heater





1 Radiator

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

• Replace after replacing coolant

2 Generator

3 Engine Oil Cooler

• Removing and installing, refer to => [ Engine Oil Cooler ] Engine Oil Cooler

• Replace after replacing coolant

4 Engine Coolant (EC) Switch-Off Valve (Heater) (N279)

5 Recirculation Pump (V55)

6 Auxiliary Heater

7 Bleeder Screw

8 Heater Core

• Replace after replacing coolant

9 Bleeder Screw

10 Coolant Thermostat

• For axle oil cooler and ATF cooler

11 Axle Oil Cooler

12 ATF Cooler

13 Engine Coolant Temperature (ECT) Sensor (G62)

14 Coolant Reservoir

• Pressure relief valve in cap, checking => [ Pressure Relief Valve in Cap,
Checking ] Cooling System, Checking For Leaks

15 Cylinder Head/Cylinder Block

• Replace after replacing coolant

16 Coolant Pump

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

17 After-Run Coolant Pump (V51)

• Removing and installing, refer to => [ After-Run Coolant Pump ] Service and Repair

18 Coolant Thermostat

• Removing and installing, refer to => [ Coolant Thermostat Housing ] Service and Repair

19 Auxiliary Cooler

• Removing and installing, refer to => [ Left Auxiliary Cooler ] Left Auxiliary Cooler

• Replace after replacing coolant