Coolant Line/Hose

Coolant Hose Connection Diagram

With Manual Transmission





1 - Radiator
2 - After-run coolant pump V51
3 - Coolant pump
4 - Coolant thermostat
5 - Engine oil cooler
6 - Cylinder head and cylinder block
7 - Turbocharger
8 - Coolant reservoir
^ With cap

9 - To auxiliary heater
10 - From auxiliary heater
11 - Heater core
12 - Coolant connection

Vehicles with automatic transmission





1 - Radiator
2 - After-run coolant pump V51
3 - Coolant thermostat
4 - Coolant pump
5 - Engine oil cooler
6 - Cylinder head and cylinder block
7 - Turbocharger
8 - Coolant reservoir
^ With cap

9 - To auxiliary heater
10 - From auxiliary heater
11 - Heater core
12 - Transmission oil cooler
13 - Coolant connection
14 - Thermostat for the transmission oil cooler
^ On some vehicles, the thermostat is located on the outflow side of the transmission oil cooler.