Cooling System
Coolant hose connection diagram
Engine code APH
Engine codes AWP, AWV, BKF, BNU
Engine code APH
1 - Expansion tank
2 - Turbocharger
3 - Intake manifold
4 - Cylinder head-cylinder block
5 - Heater unit heat exchanger
6 - Coolant pipe
7 - ATF cooler
^ Only on vehicles with automatic transmission
8 - Oil cooler
9 - Upper coolant hose
10 - Radiator
11 - Lower coolant hose
12 - After-run coolant pump -V51-
13 - Coolant pump-thermostat
Engine codes AWP, AWV, BKF, BNU
1 - Expansion tank
2 - Turbocharger
3 - Intake manifold
4 - Cylinder head-cylinder block
5 - Upper coolant pipe
6 - Pipe union
7 - Heater unit heat exchanger
8 - Lower coolant pipe
9 - ATF cooler
^ Only on vehicles with automatic transmission
10 - Oil cooler
11 - Upper coolant hose
12 - Pipe union
13 - Radiator
14 - Lower coolant hose
15 - After-run coolant pump -V51-
16 - Thermostat
17 - Coolant pump