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| 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 of oil and grease before assembly. The oil seals and sealing surfaces must be oiled lightly only for connector couplings → 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 6499- or hose clip pliers -V.A.G 1921- are recommended for installation of 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 run engine for approx. 1 minute at idling speed. Do not rev engine, otherwise oil supply to turbocharger will not be guaranteed. |
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