Secure all hose connections with the correct type of hose clips (same as original equipment).
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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.
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Charge air system must be free of leaks.
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Renew self-locking nuts.
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Hose clip pliers -VAS 6362- or hose clip pliers -V.A.G 1921- are recommended for use when installing spring-type clips.
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Fill turbocharger with engine oil at connection for oil supply line.
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After installing turbocharger, allow engine to idle for approx. 1 minute and do not rev up immediately to ensure turbocharger is supplied with oil.