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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (3.0L - Cylinder Head & VALVETRAIN - Engine Code: CPNB) >> 15 Cylinder Head, VALVETRAIN >> Cylinder Head >> Cylinder Head Cover, Removing And Installing >> Cylinder Head Cover Left, Installing And Removing, Vehicles With Two Turbochargers >> Removing

Cylinder Head Cover Left, Installing And Removing, Vehicles With Two Turbochargers: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the left fuel injector, refer to FUEL INJECTORS, REMOVING AND INSTALLING .

-- Remove the refrigerant line with inner heat exchanger, refer to Refrigerant Circuit Components, Replacing .

-- Remove the Intake Flap Motor -V157-, refer to Intake Flap Motor -V157-, REMOVING AND INSTALLING .

-- Remove the front exhaust pipe, refer to EXHAUST PIPE, REMOVING AND INSTALLING, VEHICLES WITH TWO TURBOCHARGERS. .

-- Remove the bolts -1-.

Fig 1: Identifying Bolts
GWWA26-11155Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore -item 2-.

-- Remove the Exhaust Gas Temperature Sensor 3 -G495- -item 1- and pressure pipe -3- for the Differential Pressure Sensor -G505-.

Fig 2: Differential Pressure Sensor - G505- Component Location
GWWA26-11154Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore -item 2-.

-- Remove from the bracket and disconnect connector -1- and if equipped -4-.

Fig 3: Heated Oxygen Sensor -G39-
GWWA26-11152Courtesy of AUDI OF AMERICA, LLC

-- If equipped, unbolt and remove the Exhaust Gas Temperature Sensor 2 -G448- -item 3-.

NOTE: Ignore -item 2-.

-- Remove the nuts -arrows- and push the catalytic converter to the rear.

Fig 4: Identifying Nuts
GWWA26-11167Courtesy of AUDI OF AMERICA, LLC

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

Fig 5: Identifying Heat Shield Bolts
GWWA15-11202Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and move the Vacuum Line to the side.

Fig 6: Identifying Bolts
GWWA21-10654Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore -item 1-.

-- Remove the bolts -1- and then remove the EGR pipe.

Fig 7: Identifying Exhaust Gas Recirculation (EGR) Pipe Bolts
GWWA26-10969Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore -item 2-.

-- Remove the bolts -1- and then remove the intake manifold mount.

Fig 8: Identifying Bolts
GWWA23-10530Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore -item 2-.

-- Free up the wiring harness on the cylinder head cover using the Pry Lever 80-200.

-- Disconnect the connector -1-.

Fig 9: Engine Temperature Control Sensor - G694- Component Location
GWWA19-11268Courtesy of AUDI OF AMERICA, LLC
NOTE: Ignore -item 2-.

-- Disconnect the connector -1- and free up the wiring harness.

Fig 10: Identifying Connector And Bolts
GWWA15-11214Courtesy of AUDI OF AMERICA, LLC

-- Remove bolt -2-, and move Turbine Switch-Over Valve -N529- to the side.

-- Press the release buttons and remove the crankcase ventilation hose -arrow-.

Fig 11: Left Cylinder Head Cover - Tightening Specification and Sequence
GWWA15-10986Courtesy of AUDI OF AMERICA, LLC

-- Loosen the bolts in sequence -7 to 1-.

-- Remove the bolts and the cylinder head cover.