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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis (Single Page) >> External Pages >> Different variant/trim >> Section 9 (Cylinder Head, VALVETRAIN (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4))) >> 15 Cylinder Head, VALVETRAIN >> Cylinder Head >> Cylinder Head, Removing And Installing >> Removing

Cylinder Head, Removing And Installing: Removing

WARNING: This page is about a different variant/trim than selected.

-- Remove the camshafts. Refer to CAMSHAFT, REMOVING AND INSTALLING .

-- Remove the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module -GX3-, REMOVING AND INSTALLING .

-- Drain the coolant. Refer to DRAIN THE COOLANT .

-- Remove the front muffler. Refer to FRONT MUFFLER, REMOVING AND INSTALLING .

Vehicles with a Particulate Filter: 

GWWA26-11948Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -arrow- from the particulate filter bracket.

-- Remove the bolt -arrow- from the catalytic converter bracket.

GWWA26-11973Courtesy of AUDI OF AMERICA, LLC

Continuation for All Vehicles: 

GWWA21-11513Courtesy of AUDI OF AMERICA, LLC

-- Place a cloth underneath to catch leaking engine oil.

-- Remove the bolt -arrow- and then remove the oil return line.

-- Disconnect the connectors and free up the wires.

GWWA21-11468Courtesy of AUDI OF AMERICA, LLC

1 -  For the Turbocharger Recirculation Valve -N249-

3 -  For Charge Air Pressure Control Module -GX34-

-- Press the release buttons on both sides and remove the crankcase ventilation hose -4-.

-- Remove the bolts -arrows- and remove the connection -2-.

-- Remove the bolts -arrows- and remove the heat shield -1-.

GWWA21-11516Courtesy of AUDI OF AMERICA, LLC

-- Pry out the locking plates -arrows- and dispose.

GWWA21-11562Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1 and 2- and also the oil supply line and the coolant line.

GWWA21-11515Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -arrows- and remove the turbocharger from the threaded pins.

-- Remove the right coolant pipe bolts -arrows-.

GWWA19-13294Courtesy of AUDI OF AMERICA, LLC

-- Remove the connectors -2 and 3- from the bracket and disconnect.

GWWA15-11643Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors -4 and 5-.

-- Remove the bolts -1- from the bracket.

-- Disconnect the connector -2- for the Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71-.

GWWA24-11454Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors:

GWWA17-11186Courtesy of AUDI OF AMERICA, LLC
  1. For the Oil Pressure Switch -F22-
  2. For the Reduced Oil Pressure Switch -F378-
  3. For the Piston Cooling Nozzle Control Valve -N522-

-- Loosen the hose clamp -1- and remove the rear coolant hose.

GWWA15-11789Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2- for the Engine Coolant Temperature Sensor - G62-.

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

GWWA28-10143Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows-.

GWWA15-11209Courtesy of AUDI OF AMERICA, LLC

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

-- Check if all hose and line connections are loosened.

-- 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 clean cloths or with thoroughly cleaned plugs from the : VAS6122  .