Skoda Octavia III 2013 Workshop Manual page 157

1.1.3 Connection diagram for coolant hoses
(engine identification characters CRKB,
CRVC, CRMB, CUNA)
Note
Blue = large coolant circuit.
♦
Red = small coolant circuit.
♦
Lilac = coolant circuit for charge air cooler.
♦
Brown = heating circuit.
♦
The arrows point in the coolant flow direction.
♦
Vehicles without auxiliary heating system
1 - Cooler for charge air circuit
❑ fill with fresh coolant af‐
ter replacing
2 - Charge air cooler
❑ fill with fresh coolant af‐
ter replacing
3 - Non-return valve
4 - Coolant pump
5 - Cylinder head and cylinder
block
❑ fill with fresh coolant af‐
ter replacing
6 - Coolant expansion tank
7 - Screw cap
❑ for coolant expansion
tank
❑ Check pressure relief
valve ⇒ page 157
8 - Heating backup pump -
V488-
9 - Heat exchanger of heating
system
❑ fill with fresh coolant af‐
ter replacing
10 - Radiator for exhaust gas
recirculation
❑ fill with fresh coolant af‐
ter replacing
11 - Coolant temperature
transmitter - G62-
12 - Choke
❑ integrated into the coolant hose, not visible from the outside
❑ The fitting position is not defined, therefore the coolant hose must not be unclipped with the hose clamp
(Risk of damage!)
1.6/66; 77; 81; 2.0/105; 110; 135 kW TDI CR engine - Edition 07.2014
Octavia III 2013 ➤ , Octavia III 2014 ➤
149
1. Cooling system