Water Pump

Coolant Pump and Coolant Thermostat Overview

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





1 Coolant Thermostat with Connection

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

2 Coolant Hose

• From the radiator on the right side bottom.

3 Bolt

• 9 Nm

4 Coolant Hose

• To the upper left coolant pipe.

5 Coolant Hose

• From the Exhaust Gas Recirculation (EGR) coolant pump (V400).

6 Coolant Thermostat for the Exhaust Gas Recirculation with Connection

7 O-ring

• Replace

8 Seal

• Replace

9 Bolt

• 9 Nm

10 Coolant Pump

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

11 Bolt

• 9 Nm

12 Coolant Pump Pulley

• Installed position: the word "vorne (front)" facing in drive direction.

• Counter hold using spanner wrench (3212) to remove and install.

13 Bolt

• 23 Nm





Coolant Pump

- Install coolant pump.

- Tighten bolts - arrows - of coolant pump to 20 Nm + 1/4 turn (90°).






- Tighten bolts of coolant pump cover in the sequence shown to 8 Nm.