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Home >> Audi >> 2012 >> A7 >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> 3.0L - Turbocharger & Supercharger - Engine Code(S): CGXB & CTUA >> 21 Turbocharger, Supercharger >> Compressor >> Supercharger, Removing And Installing >> Removing

Supercharger, Removing And Installing: Removing

Fig 1: Identifying Coolant Pipes
GWWA19-10917Courtesy of AUDI OF AMERICA, LLC

-- Remove the A/C compressor ribbed belt, refer to RIBBED BELT, REMOVING AND INSTALLING, SUPERCHARGER RIBBED BELT .

-- Place the Shop Crane - Drip TrayVAS6208 under engine.

-- Clamp off the coolant hoses with the Hose Clamps - Up To 25mm 3094 and remove them from the coolant pipes on the supercharger by loosening the hose clamps -1-.

NOTE:

The installation location is shown with the engine removed.

Ignore item -2-.

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

-- Free up the fuel hose -1- and the EVAP canister hose -2- on the air duct pipe.

Fig 2: Identifying Clamps
GWWA24-10873Courtesy of AUDI OF AMERICA, LLC

-- Remove the vacuum hose -3- from the air guide pipe connection.

-- Loosen the clamps -arrows- and remove the air guide pipe.

-- Disconnect the electrical connector -2- on EVAP Canister Purge Regulator Valve 1 -N80- and disconnect the vacuum hose -3- by pressing the release buttons.

Fig 3: Identifying Clamp
GWWA10-11365Courtesy of AUDI OF AMERICA, LLC

-- Remove the EVAP Canister Purge Regulator Valve 1 -N80- from the bracket and lay it aside with the hose connected.

NOTE:

Ignore item -1-.

-- Disconnect the connector -arrow- from the Throttle Valve Control Module -J338-.

Fig 4: Identifying Connector -1- To Throttle Valve Control Module -J338-
GWWA24-10683Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -arrow- on the Control Valve Control Unit -J808-.

Fig 5: Identifying Connector -Arrow- To Control Valve Control Unit -J808-
GWWA24-10684Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors -1, 2 and 3-.

NOTE:

Mark the vacuum hoses for installation later.

-- Disconnect the vacuum hoses -4 through 7-.

Fig 6: Installed Location: Secondary Air Injection Solenoid Valve And Intake Manifold Runner Control (IMRC) Valve -N316-
GWWA21-10366Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore the -arrows-.

-- Disconnect the connector -1- on the Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71-.

Fig 7: Identifying Connector -1- & Intake Air Temperature Sensor/Manifold Absolute Pressure Sensor Bolts
GWWA24-10295Courtesy of AUDI OF AMERICA, LLC

-- Free up the vacuum hose -1-.

Fig 8: Identifying Vacuum Hose -1-, Bolts -Arrows- And Cover -2-
GWWA21-10462Courtesy of AUDI OF AMERICA, LLC

-- Remove the left and right bolts -arrows- and the cover -2-.

-- Free up the brake booster vacuum hose -2- on the bracket -1-.

Fig 9: Identifying Bracket -1- To Vacuum Hose
GWWA21-10367Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors -1- and -2-.

Fig 10: Identifying Removal Of Nuts -Arrows- And Supercharger
GWWA21-10368Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -arrows- and remove the supercharger with the charge air coolers upward.

-- Seal off the openings on the compressor and on the charge air pipe Engine Bung SetVAS6122.