Audi Workshop Service and Repair Manuals

Removing

• ‒ → Remove oil dipstick -1- from guide tube.
• ‒ Remove engine cover -arrows-.
• ‒ Reinsert dipstick in guide tube.

• ‒ → Remove air duct hose -1- from air duct pipe.
• ‒ Detach connector of air mass meter -3-.
• ‒ Unscrew bolts -4- and -5-.
• ‒ Remove vent hose -2- off air cleaner housing.
• ‒ Remove air cleaner housing.

• ‒ Remove intake manifold => Page 15-64.

• ‒ → Unscrew nuts -2-, -4- and -5-.

Note:

The front exhaust pipe -1- remains connected to the turbocharger -3-.

Note:

The isolating element in front exhaust pipe must not be deflected more than 10°to avoid damage.

• ‒ → Remove bolts -arrows- at the front exhaust pipe/catalytic converter flange.

• ‒ → Detach the exhaust system at the clamping sleeve -arrows-.
• ‒ Remove catalytic converter.

• ‒ → Unbolt bracket for exhaust system from assembly mounting
  -arrows-.
• ‒ Press front exhaust pipe off turbocharger.

• ‒ Detach right drive shaft from gearbox flange.
• ‒ Remove bolts -1- and -2- and remove bracket for turbocharger.
• ‒ Remove oil return pipe -3- at cylinder block.

• ‒ → Remove bolts -arrows- and remove resonator -1-.

• ‒ → Unscrew oil feed line from turbocharger and exhaust manifold
  -arrows-.

• ‒ → Unscrew oil feed line from oil filter bracket -arrow- and also on coolant pipe and lay line to one side.

• ‒ Remove upper toothed belt guard.
• ‒ → Remove heat shield from exhaust manifold -arrows-.

• ‒ → Unscrew nuts -arrows-.
• ‒ Remove packing plates.
• ‒ Remove exhaust manifold/turbocharger upwards.

Installing

Installation is carried out in the reverse order; note the following:

Notes:

• ◆ Replace seals, gaskets and self-locking nuts.
• ◆ Note installation position of exhaust manifold/turbocharger gaskets.
• ◆ Fill the turbocharger with engine oil via the oil supply connection.
• ◆ Hose connections and hoses for charge air system must be free of oil and grease before assembly.
• ◆ Secure all hose connections with the correct hose clamps (same as original equipment):

=> Parts List

• ‒ Install right drive shaft.

=> Running Gear, FWD and 4WD; Repair group 40

• ‒ Install intake manifold => Page 15-68.
• ‒ Install exhaust system and align it stress-free => Page 26-35.

• ‒ → When installing air duct pipes with connectors, ensure that the securing clip -arrow- engages audibly in the retaining lug -A-.
• ‒ Check oil level => Page 17-23.

Note:

After installing the turbocharger, run engine for approx. 1 minute at idling speed; do not rev. up immediately. This ensures the turbocharger is properly lubricated.

Tightening torques

    1)    Replace the nuts.