Upper Air Duct Pipe, Removing And Installing: Removing

-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Remove the reinforcement brace. Refer to OVERVIEW - LOCK CARRIER .

-- Remove the front noise insulation. Refer to NOISE INSULATION, REMOVING AND INSTALLING .

-- Remove the left front lower longitudinal member. Refer to LOWER LONGITUDINAL MEMBER, REMOVING AND INSTALLING

Vehicles without High-Voltage System 

-- Remove the A/C compressor from the bracket and tie it up on the left side. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING ON BRACKET .

Continuation for All 

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamp -1- and remove the air duct pipe and tie up to the left side.

-- Loosen the screw-type clamp -1- and remove the boot -2-.

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the crankcase ventilation hose -left arrow- on the support -2- to do so push the release buttons on both sides.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1- and remove the support -2- with the crankcase ventilation hose connected and move it to the side. At the same time pay attention that the crankcase ventilation hose is not kinked.

-- Remove the throttle valve control module. Refer to Throttle Valve Control Module -J338-, REMOVING AND INSTALLING .

-- Remove the upper air duct. Refer to AIR DUCT, UPPER, REMOVING AND INSTALLING, VEHICLES WITHOUT RADIATOR SHUTTER .

-- Release the left and right catches in direction of -arrows- and remove the retaining pin -1- for the radiator upward.

Courtesy of AUDI OF AMERICA, LLC

-- Push the radiator on the top slightly forward and secure it with for example with a plastic wedge so it does not tilt back.

-- Press the release buttons -arrow- on both sides and disconnect the EVAP system hose.

Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring harness.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows-.

-- Remove the crankcase ventilation hose -1- by pressing the release buttons on both sides.

-- If necessary, disconnect the connector -2- for the Recirculation Valve, Bank 1 -N625-.

Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring harness -arrows- and the clips -1- from the oil dipstick tube.

-- Pull the wiring duct -3- off the ball pin and free up.

-- Release and disconnect the connectors -4 and 5-.

Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring harness -2-.

-- Remove the bolts -arrows-, use the Long Reach Special Wrench: T40398  if necessary.

-- Remove the vacuum hose -6- and hose -3- for the crankcase ventilation to do so press the release buttons on both sides. Depending on the version at the position -6- instead of a quick-release fasteners a hose clamp with rubber hose may be installed.

-- Remove the upper air duct pipe -1- from the intake manifold, push to the right in direction of -arrow A- and at the same time pivot to the right in direction of -arrow B- upward and remove. To do so push the coolant hose on the left cylinder head to the side and guide out the upper air duct pipe on the wiring harness.

Courtesy of AUDI OF AMERICA, LLC