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Fitting hose connections with plug-in connectors > < Checking cooling system for leaks

A4 Mk2

Turbocharger
Turbocharger
  Note
t  Observe the rules for cleanliness → Chapter.
t  Secure all hose connections with the correct type of hose clips (same as original equipment).
t  Hose connections and hoses for charge air system must be free of oil and grease before assembly. However (applies only to plug-in connectors); the seal and the sealing surface of plug-in connectors should be lubricated lightly with oil → Chapter.
t  Charge air system must be free of leaks.
t  Renew self-locking nuts.
   
t  Hose clip pliers -V.A.G 1921- or spring-type clip pliers -VAS 5024A- are recommended for installing spring-type hose clips.
t  Fill turbocharger with engine oil at connection for oil supply pipe.
t  After installing turbocharger, allow engine to idle for approx. 1 minute and do not rev up immediately to ensure turbocharger is supplied with oil.
Fitting hose connections with plug-in connectors → Chapter
  W00-1179

Fitting hose connections with plug-in connectors > < Checking cooling system for leaks