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Home >> Audi >> 2012 >> S5 4.2, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1193 (Cylinder Head, VALVETRAIN (Servicing) [CABB, CABA, CABD, CAEA, CAEB, CDHB, CDNB, CDNC, CDHA, CDZA, CADA, CCUA, CFKA, CPMA, CAED, CPMB, CHJA, CPEA] (Coupe)) >> 15 Cylinder Head, VALVETRAIN >> Cylinder Head >> Cylinder Head, Removing And Installing >> Removing

Cylinder Head, Removing And Installing: Removing

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Preliminary Work May Be Required Depending On The Model. Refer To CYLINDER HEAD, REMOVING AND INSTALLING .

Coolant Hose Version 1: 

GWWA19-11381Courtesy of AUDI OF AMERICA, LLC

-- Open the clamps -1 and 2- and remove the coolant hoses.

Coolant Hose Version 2: 

GWWA19-11483Courtesy of AUDI OF AMERICA, LLC

-- Open the clamps -arrows- and remove the rear coolant hoses.

Coolant Hose Version 3: 

GWWA19-11815Courtesy of AUDI OF AMERICA, LLC

-- Lift the clips -arrows-, loosen the clamp -2- and remove the rear coolant hoses.

Continuation for All Vehicles: 

GWWA20-10994Courtesy of AUDI OF AMERICA, LLC
NOTE:

Depending On The Engine Installed, There Are Different Installation Positions.

-- Disconnect The Fuel Line -2-. Refer To CONNECTOR COUPLINGS .

-- Loosen the clamp -1- and disconnect the hose from the EVAP canister.

NOTE:

Lay A Cloth Below The Coolant Pipe To Catch Escaping Coolant.

GWWA19-12650Courtesy of AUDI OF AMERICA, LLC

Depending On The Engine Installed, There Are Different Installation Positions.

-- Remove the bolts -1 and 2- and move the front coolant pipe upward.

-- Loosen the clamp -arrow left- and remove the coolant hose.

-- Remove the nut -1- and bolt -2- and remove the support for the intake manifold.

GWWA24-10447Courtesy of AUDI OF AMERICA, LLC

-- Remove The Bolts -3-. (Only One Bolt Depending On The Version)

GWWA21-10645Courtesy of AUDI OF AMERICA, LLC

-- Remove The Banjo Bolts -1 And 2- And Move The Line To The Side.

-- Disconnect The Connectors -1 And 2- On The Oil Pressure Switch -F22- And Reduced Oil Pressure Switch -F378-.

GWWA17-10809Courtesy of AUDI OF AMERICA, LLC
NOTE:

Depending On The Engine Installed, There Are Different Installation Positions.

-- Loosen The Hose Clamp -Arrow-, Remove The Air Duct Hose And Pivot It To The Side.

GWWA21-11023Courtesy of AUDI OF AMERICA, LLC

-- Disconnect The Connectors -1 And 2- And Free Up The Wire.

GWWA21-10314Courtesy of AUDI OF AMERICA, LLC

-- Disconnect The Connector From The Oil Level Thermal Sensor -G266- -arrow- And Free Up The Wire.

GWWA17-0215Courtesy of AUDI OF AMERICA, LLC

-- Loosen the bolts -1- from above.

GWWA21-10884Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -2- from below.

-- Remove the bolts -arrows- on the oil return line.

GWWA21-10885Courtesy of AUDI OF AMERICA, LLC

-- Remove the spark plugs with the :3122B  .

GWWA28-10143Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows-.

Fig 1: Loosening Sequence For Cylinder Head Bolts
GWWA15-11209Courtesy of AUDI OF AMERICA, LLC

-- Remove the cylinder head bolts using the :T10070  or :T40270  in the sequence -1 through 10-.

-- Remove The Cylinder Head.

-- Lay The Cylinder Head On A Soft Surface, Such As Foam.

-- Seal The Open Channels Of The Intake And Exhaust Tract With A Clean Cloth Or With Completely Clean Plugs From The :VAS6122  .