1 - Expansion tank
2 - Heat exchanger for heater
❑ If renewed, refill system
with fresh coolant.
3 - Upper side coolant pipe
4 - Gear oil cooler
5 - Non-return valve
❑ Observe installation po‐
sition
❑ Arrow on non-return
valve points in direction
of flow
6 - Auxiliary radiator
❑ Not installed
7 - Upper coolant hose
8 - Lower coolant hose
9 - Radiator/cooler
10 - Lower side coolant pipe
11 - Non-return valve
❑ Observe installation po‐
sition
❑ Arrow on non-return
valve points in direction
of flow
12 - Engine oil cooler
13 - Continued coolant circula‐
tion pump - V51-
14 - Coolant pipe
❑ With thermostat hous‐
ing
15 - Coolant pump
16 - Thermostat
17 - Cylinder block
18 - Rear coolant pipe
CC 2012 ➤ , Passat 2011 ➤ , Passat Variant 2011 ➤
6-cylinder direct-injection engine (3.6 l engine, 4V) - Edition 06.2019
1. Cooling system/coolant
139