Secure all hose connections with hose clips which conform to production standard.
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Hose connections and hoses for charge air system must be free from oil and grease before fitting. Only in the case of plug-in couplings, the sealing ring and sealing surface must be oiled slightly → 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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To fit the spring clips, use the spring clip pliers -VAS 6499-.
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Fill turbocharger with engine oil at oil supply line connection.
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After installing turbocharger, run engine for about 1 minute at idle and do not rev up immediately. This ensures that the turbocharger is fully primed with oil.