Audi Workshop Service and Repair Manuals > A4 Mk3 > Power unit | 4-cylinder direct petrol injection engine (1.8 ltr., 2.0 ltr. 4-valve turbo), mechanics | Engine cooling

Parts of cooling system (on body)

WARNING

Hot steam/hot coolant can escape - risk of scalding.

t	The cooling system is under pressure when the engine is hot.

t	Cover filler cap on coolant expansion tank with a cloth and open carefully to dissipate pressure.

WARNING

Risk of injury as the radiator fans may start up automatically.

Unplug electrical connectors before starting to work in the area of radiator cowl.

Note

t	Secure all hose connections with the correct type of hose clips (same as original equipment) → Parts catalogue.

t	Hose clip pliers -V.A.G 1921- or hose clip pliers -VAS 6340- are recommended for use when installing spring-type clips.

t	Renew gaskets and seals.

t	The arrow markings on coolant pipes and on ends of hoses must align.

Audi Workshop Service and Repair Manuals