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Home >> Audi >> 2013 >> S8 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L - Cylinder Head & VALVETRAIN - Engine Code(S): CEUA, CGTA, CTFA & CTGA >> 15 Cylinder Head, VALVETRAIN >> Cylinder Head >> Cylinder Head, Removing And Installing >> Cylinder Head Bank 1 (Right), Removing >> Procedure

Cylinder Head Bank 1 (Right), Removing: Procedure

-- Remove the right turbocharger, refer to TURBOCHARGER, REMOVING AND INSTALLING .

-- Remove the right camshafts, refer to REMOVING .

-- Remove the front bumper cover, refer to BUMPER COVER, REMOVING AND INSTALLING .

NOTE: Ignore item -1-.

-- Disconnect the connector -2-.

Fig 1: Identifying Bolt
GWWA19-11418Courtesy of AUDI OF AMERICA, LLC

-- Remove the Cylinder Head Coolant Valve -N489- from the bracket and push it forward.

Fig 2: Identifying Cylinder Head Coolant Valve -N489-
GWWA15-11324Courtesy of AUDI OF AMERICA, LLC

-- Install the Engine Support Bridge 10-222A on the left and right suspension strut towers as shown.

Fig 3: Identifying Engine Support Bridge 10-222A
GWWA15-11323Courtesy of AUDI OF AMERICA, LLC

-- Mount the assembly appliance as shown.

Fig 4: Identifying Assembly Appliance
GWWA15-11325Courtesy of AUDI OF AMERICA, LLC

-- Tighten the Engine Crane Adapter - Bracket T10013 with the threaded pin -1- of the Engine Support Bracket T10338 in the left front threaded hole in the cylinder block as shown in the illustration.

Fig 5: Identifying Engine Crane Adapter - Bracket T10013 With Threaded Pin -1- Of Engine Support Bracket T10338
GWWA15-11097Courtesy of AUDI OF AMERICA, LLC

-- Engage the carabiner hook of the Engine Support Bridge - Spindle 10-222A/11 on the Engine Crane Adapter - Bracket T10013 and pretension the engine slightly.

-- Remove the generator, refer to GENERATOR, REMOVING AND INSTALLING .

-- Remove the right engine mount, refer to RIGHT ENGINE MOUNT, REMOVING AND INSTALLING .

-- Remove the nut -2- and free up the ground wire.

Fig 6: Bolts & Right Engine Support
GWWA10-11526Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and remove the right engine support -1-.

-- Disconnect the vacuum hoses -arrows-.

-- Remove the Intake Manifold Runner Control Valve -N316- -1- from the bracket and free up the wires at the right intake manifold -2-.

Fig 7: Vacuum Hoses
GWWA15-11326Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -arrow- for the Fuel Pressure Sensor -G247-.

Fig 8: Disconnect Connector
GWWA24-11005Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore -1-.

-- Disconnect the connector -2- for the Intake Manifold Runner Position Sensor -G336-.

Fig 9: Disconnect Connector
GWWA24-11006Courtesy of AUDI OF AMERICA, LLC

-- Move the noise insulation -1- to the side.

Fig 10: Locating Noise Insulation
GWWA15-11327Courtesy of AUDI OF AMERICA, LLC

-- Disconnect electrical connector -arrow- from the fuel injectors.

-- Remove the Locking Pin T40071.

Fig 11: Identifying Locking Pin T40071 And Screwdriver
GWWA15-11225Courtesy of AUDI OF AMERICA, LLC
NOTE: The procedure is shown with the camshaft installed.

-- Remove the bolts -arrows-.

Fig 12: Identifying Cylinder Head Bolts In Sequence
GWWA15-11328Courtesy of AUDI OF AMERICA, LLC

-- Loosen the cylinder head bolts in the sequence -1 to 10-.

NOTE: The cylinder head for cylinder bank 2 (left) is shown in the illustration.

-- Remove the bolts and the cylinder head carefully.

-- Lay the cylinder head on a soft surface, such as foam.