Without Engine Pre-Warmer

Without Engine Pre-Warmer

Coolant hose connection diagram. Refer to => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.






1 Coolant Expansion Tank, Lower Hose

2 Coolant Expansion Tank, Upper Hose

3 Bolt

• 10 Nm

4 Ventilation Pipe

5 Engine Coolant Temperature (ECT) Sensor (G62)

6 Retaining Clip

7 O-ring

• Always replace

8 Transmission Oil Cooler

• Only on vehicles with the Direct Shift Gearbox (DSG).

9 to the Radiator Upper Connection

10 Engine Oil Cooler Coolant Supply Hose

• On vehicles without a transmission fluid cooler.

Transmission Oil Cooler Coolant Return Line

• On vehicles with a transmission oil cooler.

11 Engine Oil Cooler Coolant Return Hose

12 Engine Oil Cooler

13 Thermostat / 4/2 Way Valve with Thermostat

• Checking: warm the thermostat in water.

• Opens at: approximately 87 °C (188.6 °F)

• Stops at: approximately 102 °C (215.6 °F)

• Opening travel: minimum 7 mm

• Thermostat removing and installing. Refer to => [ Coolant Thermostat ] Coolant Thermostat.

• 4/2 way valve with thermostat removing and installing, refer to => [ 4/2 Way Valve with Thermostat ] 4/2 Way Valve with Thermostat.

14 Connecting Piece

15 Bolt

• 15 Nm

16 to the Radiator Lower Connection

17 Coolant Pump

18 Bolt

• 40 Nm