Lower Air Duct Pipe On Throttle Valve Control Module, Removing And Installing: Removing

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Remove the lock carrier cover. Refer to OVERVIEW - BUMPER COVER .

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

-- Loosen the hose clamp -lower arrow- remove the corresponding air duct hose from the air duct pipe.

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Left Lower Air Duct Pipe on Throttle Valve Control Module:

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-- Audi S8: remove the left air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Disconnect the connector -3- for Charge Air Pressure Sensor 2 -G447- and -4- on the A/C compressor.

-- Loosen the clamp -2- and remove the air duct hose.

-- Remove the bolts -arrows- and then remove the air duct pipe -1-.

Right Lower Air Duct Pipe on Throttle Valve Control Module:

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-- Loosen the hose clamp -1-, remove the air duct hose and push upward.

-- Disconnect the connector -2- for the Charge Air Pressure Sensor -G31-.

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-- Remove the bolts -arrows- and then remove the air duct pipe -1-.