P20.00-0312-76
1 2-stage cap:
2 Coolant expansion reservoir with silicagel tank
3 Radiator
4 Coolant thermostat (position an engine running at normal operating temperature)
5 Coolant pump
8 Heating system heat exchanger
A31 Feed unit heating system
A31y1 Left duovalve
A31y2 Right duovalve
A Coolant return flow
B Coolant feed
C Bleed line to the coolant expansion reservoir
D Short-circuit operation temperature
< 85°C (air can be passed through the passenger compartment)
E Mixed-fuel mode > 85°C and < 94°C (beginning the radiator throughflow)
F Cooling mode > 94°C (thermostat open, beginning the radiator throughflow)
M Engine
H Windshield washer fluid reservoir, coolant heated
Cooling system