Cooling System Overview, Body Side

Cooling System Overview, Body Side

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






1 Upper Coolant Hose

• To the water connection on the cylinder head.

2 O-ring

• Replace if damaged.

3 Radiator

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

• After replacing, replace the entire amount of coolant.

4 Gasket

5 Cover

• Check using the cooling system tester (V.A.G 1274) and adapter (V.A.G 1274/9).

• The pressure release valve must open at a pressure of 1.4 to 1.6 bar.

6 Connector

7 Bolt

• 5 Nm

8 Expansion Tank

• Perform a leak test on the cooling system using the cooling system tester (V.A.G 1274) and adapter (V.A.G 1274/8).

9 Bracket

• For the radiator.

10 Bolt

• 5 Nm

11 Mount

12 Nut

• 10 Nm

13 Fan Shroud

• Removing and installing, refer to => [ Fan Shroud and Fans ] Service and Repair.

14 Bolt

• 5 Nm

15 Coolant Fan 2 (V177)

• Removing and installing, refer to => [ Fan Shroud and Fans ] Service and Repair.

16 Connector

17 Coolant Fan (V7)

• With the coolant fan control module.

• Removing and installing, refer to => [ Fan Shroud and Fans ] Service and Repair.

18 Lower Coolant Hose

• To the connection for the coolant thermostat.

19 Clip

20 Engine Coolant Temperature Sensor on Radiator Outlet (G83)

21 O-ring

• Always replace.