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Home >> Audi >> 2021 >> Q8 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger, Supercharger (2 Of 2) >> 21 Turbocharger, Supercharger >> Charge Air System >> Upper Air Duct Pipe, Removing And Installing >> Removing

Upper Air Duct Pipe, Removing And Installing: Removing

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

-- Remove the front noise insulation. Refer to NOISE INSULATION .

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

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

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

GWWN21-11012Courtesy of AUDI OF AMERICA, LLC

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

-- Remove the throttle valve control module. Refer to THROTTLE VALVE CONTROL MODULE -J338-, REMOVING AND INSTALLING .

-- Release the catches -arrows- and remove the air duct -2-.

GWWA19-12653Courtesy of AUDI OF AMERICA, LLC

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

GWWA19-12319Courtesy of AUDI OF AMERICA, LLC

-- Push the radiator on the top forward.

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

GWWA21-11230Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring harness.

GWWA24-11724Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows-.

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

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

GWWA21-11132Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring harness -2-.

-- Remove the bolts -arrows-.

-- Remove the vacuum hose -6- and hose -3- for the crankcase ventilation to do so press the release buttons on both sides.

-- Remove the air duct pipe -1-.