Left turbocharger, removing and installing: Removing

Remove engine. See ENGINE, REMOVING .

NOTE:

All cable ties which are opened or cut open on removal must be replaced in same position when installing.
Any heat insulation sleeves which are taken off when removing must be re-attached in same position when installing.

Place a drip tray underneath.
Drain engine oil.
Place engine/transmission assembly on work bench or engine/transmission stand. Support/secure engine and transmission with pieces of squared timber.

WARNING: Engine/transmission assembly must be securely supported to avoid risk of accident.

Unplug connectors for left oxygen sensors before and after catalytic converter.
Move wiring clear.
Unbolt left front exhaust pipe from turbocharger (arrows).

Fig 1: Release Left Front Exhaust Pipe From Turbocharger

G02723508

Courtesy of AUDI OF AMERICA, INC.

Remove bolt -1- and loosen bolt -2- a few turns. See Fig 2.
Pull out guide tube -3- with oil dipstick.

Fig 2: Removing Bolts And Guide Tube With Oil Dipstick

G02723509

Courtesy of AUDI OF AMERICA, INC.

Unscrew bolt (arrow) and detach oil return pipe from upper section of sump.

Fig 3: Release Bolt And Detach Oil Return Pipe From Upper Section Of Sump

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Courtesy of AUDI OF AMERICA, INC.

Release hose clamp -2-. See Fig 4.
Unbolt temperature sensor of exhaust gas temperature sender -3-.
Unscrew nuts -1-. See Fig 4.

Fig 4: Releasing Hose Clamp And Nuts

G02723511

Courtesy of AUDI OF AMERICA, INC.

Unscrew nuts -1- to -12- and remove left exhaust manifold.

Fig 5: Identifying Nuts Left Exhaust Manifold

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Courtesy of AUDI OF AMERICA, INC.

Disconnect vacuum hose -1-.
Unscrew bolt -2- and remove pressure pipe from turbocharger.

Fig 6: Disconnecting Vacuum Hose And Pressure Pipe From Left Turbocharger

G02723513

Courtesy of AUDI OF AMERICA, INC.

Unscrew banjo bolts -1- to -4- and remove turbocharger. See Fig 7.

Fig 7: Removing Left Turbocharger

G02723514

Courtesy of AUDI OF AMERICA, INC.