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with respect to the correctness of information in this document. Copyright by AUDI AG.
– Ensure that the red warning label is not damaged.
Potential equalisation line for electrical air conditioner compres‐
sor - V470- ⇒ page 11 .
6.6 Brake servo vacuum pump - V469-
The brake servo vacuum pump - V469- is installed on the front
right of the engine. It is operated electrically, and ensures the re‐
quired braking assistance when driving electrically with the com‐
bustion engine switched off.
Removing and installing brake servo vacuum pump - V469- ⇒
Brake system; Rep. gr. 47 .
6.7 Cooling system for high-voltage vehi‐
cles
WARNING
Hot steam/hot coolant can escape - risk of scalding.
The cooling system is under pressure when the engine is hot.
Cover cap for coolant expansion tank with a cloth and open
carefully to release pressure.
Additional cooling system components are installed in vehicles
with high-voltage technology to cool high-voltage components
and ensure the function of the cooling system even during purely
electric driving with the combustion engine switched off.
♦ Coolant pump for high-temperature circuit - V467-
♦ Coolant pump for low-temperature circuit - V468-
Removing and installing cooling system components ⇒ 4-cylinder
direct petrol injection engine (2.0 ltr. 4-valve turbo), mechanics;
Rep. gr. 19 .
Audi A6 2011 ➤ , Audi A6 Avant 2011 ➤
Electrical system, hybrid - Edition 03.2014
54 Rep. gr.93 - Electric drive systems
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