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Home >> Audi >> 2016 >> S8 Plus >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger, Supercharger [CEUA,CGTA,CTFA,CTGA,CTGF,DDTA] >> 21 Turbocharger, Supercharger >> Charge Air System >> Charge Air Cooler Housing, Removing And Installing >> Removing

Charge Air Cooler Housing, Removing And Installing: Removing

NOTE:

Follow all the guidelines for clean working conditions. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

-- Remove the front coolant pipe. Refer to COOLANT PIPES, REMOVING AND INSTALLING .

-- Remove the right and when equipped left air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Remove the Throttle Valve Control Module -J338- . Refer to THROTTLE VALVE CONTROL MODULE -J338-, REMOVING AND INSTALLING .

-- Disconnect the vacuum hose -1- .

Fig 1: Identifying Vacuum Reservoir And Bolts
GWWA10-11511

-- Remove the bolts -3- and then remove the vacuum reservoir -2- .

-- Loosen the clamp -2- and remove the coolant hose.

Fig 2: Identifying Clamp
GWWA19-11414
NOTE:

Ignore -1- .

-- Open the clip -1- and disconnect the upper right coolant hose from the radiator.

Fig 3: Identifying Retaining Clip
GWWA19-10988
NOTE:

Ignore -2- .

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

Fig 4: Identifying Air Guide And Bolts
GWWA24-11004

-- Press the release button -3- and loosen the hose clamps -arrows- to remove the secondary air injection hose.

Fig 5: Identifying Secondary Air Injection Hose, Clamps And Connector
GWWA26-11200

-- Disconnect the connector -2- .

-- Free up the secondary air injection hose -1- and press it downward.

-- Loosen the hose clamps -1- and free up the coolant hoses -arrow- and then remove the coolant hoses.

Fig 6: Coolant Hoses And Clamps
GWWA21-10712

-- Disconnect the connector -3- .

Fig 7: Identifying Charge Air Cooler Housing, Bolts And Hose Clamps
GWWA21-10711

-- Free up the vacuum hoses -arrow- .

-- Loosen the hose clamps -4 and 5- and remove the air duct hoses.

-- Remove the bolts -1, 2 and 6- and pull the charge air cooler housing slightly forward, then remove it upward.

CAUTION:

There is a risk of contamination from leaking engine oil.

  • When removing the charge air cooler housing, up to 0.5 liters of engine oil can drain from the oil separator into the area between the cylinder heads. Extract engine oil that has leaked and clean the engine.