Coolant Pipe Overview, Engine Side

Coolant Pipe Overview, Engine Side

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






1 Lower Coolant Expansion Tank Hose

2 Upper Coolant Expansion Tank Hose

3 Bolt

• 10 Nm

4 Ventilation Pipe

5 Engine Coolant Temperature Sensor (G62)

6 Clip

7 O-ring

• Always replace.

8 Transmission Oil Cooler

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

9 Engine Oil Cooler Coolant Supply Hose

• On vehicles without a transmission oil cooler.

• On vehicles with a transmission oil cooler: This is a transmission oil cooler coolant return line.

10 Engine Oil Cooler Coolant Return Hose

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

11 to the Radiator Upper Connection

12 Bracket for Wiring Harness and Coolant Pipe

13 Coolant Hose

• To the coolant pipe on the cylinder block.

14 Coolant Hose

• For the transmission oil cooler.

• Only on vehicles with the DSG(R).

• Installed depending on the vehicle equipment level.

15 Coolant Pipe

• Installed depending on the vehicle equipment level.

• For the engine pre-heater.

• Assembly overview, refer to => [ Engine Pre-Heater Overview ] Engine Pre-Heater Overview.

16 Engine Pre-Heater

• Installed depending on the vehicle equipment level.

• Assembly overview, refer to => [ Engine Pre-Heater Overview ] Engine Pre-Heater Overview.

• Removing and installing, refer to => [ Engine Pre-Heater ] Engine Pre-Heater.

17 Engine Oil Cooler

18 4/2-Way Valve

• With a coolant thermostat.

• Removing and installing, refer to => [ 4/2-Way Valve with Coolant Thermostat ] Service and Repair.

19 Bolt

• 15 Nm

20 Hose to the Radiator Lower Connection

21 Coolant Pump

22 Bolt

• 40 Nm