Audi A8 2003 Workshop Manual page 261

8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
– Unplug electrical connector -1- at air mass meter and move
wiring clear.
– Remove bolts -arrows- and detach bottom section of air clean‐
er housing (left-side).
– Remove starter catalytic converter (left-side)
– Move electrical wiring clear of air pipe (front left).
– Remove air pipe (front left) -arrows-.
– Unplug electrical connectors -1- and -4-.
– Remove crankcase breather hose -2-.
– Detach air hoses -3- and -5- from turbocharger.
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– Unbolt coolant line -1- and oil supply line -2- at turbocharger.
⇒ page 295 .
1. Servicing charge air system with turbocharger
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