Audi Workshop Service and Repair Manuals

Removing

• ‒ → Pull dipstick -1- out of guide tube.
• ‒ Unclipcaps.
• ‒ Remove nuts -arrows- and detach engine cover.
• ‒ Remove insulation lying below.
• ‒ Re-insert dipstick into guide tube.

• ‒ Unclipcaps.
• ‒ → Remove bolts -arrows- and detach air cleaner cover.

• ‒ → Screw out bolts -arrows-.
• ‒ Remove air duct -1- and -2-.

• ‒ → Disconnect vent hose -2- from air cleaner housing.
• ‒ Unplug electrical connector -4- from air-mass meter.
• ‒ Detach EGR valve -N18 from air cleaner housing -3-.
• ‒ Detach wiring harness from air cleaner housing -arrow-.
• ‒ Pull off air hose -5-.
• ‒ Screw out bolt -1-.
• ‒ Detach air cleaner housing.

Vehicles with manual gearbox

• ‒ Remove EGR connecting pipe -item26-29.

Vehicles with automatic gearbox:

• ‒ Remove EGR system cooler => Page 26-48.

All models:

• ‒ → Detach air hose -1-.
• ‒ Disconnect vacuum hoses -2- and -3-.
• ‒ Screw out bolts -arrows-.
• ‒ Detach intake manifold.

Installing

Install in reverse order, paying attention to the following:

Notes:

• ◆ Always replace gaskets and self-locking nuts.
• ◆ Pay attention to fitting position of intake manifold gasket.
• ◆ Hose connections and hoses for charge-air system must be free from oil and grease before fitting.

Vehicles with automatic gearbox:

• ‒ Install EGR system cooler => Page 26-53.

Tightening torques