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Home >> Audi >> 2017 >> TT Quattro Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 44 (Cylinder Head, VALVETRAIN [CNTC,CYFB] (2 Of 2) [Coupe]) >> 15 Cylinder Head, VALVETRAIN >> VALVETRAIN >> Camshaft, Removing And Installing >> Removing

Camshaft, Removing And Installing: Removing

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

-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Remove the upper coolant pipe. Refer to UPPER COOLANT PIPE, REMOVING AND INSTALLING .

-- Remove the ignition coils. Refer to IGNITION COILS, REMOVING AND INSTALLING .

-- Vehicles with particulate filter: disconnect the connector -2- for the Exhaust Pressure Sensor 1 -G450-.

GWWA24-11978Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connectors:

GWWA15-11488Courtesy of AUDI OF AMERICA, LLC
  1. For the Turbocharger Recirculation Valve -N249-
  2. For the Camshaft Position Sensor 3 -G300-
  3. For Fuel Pressure Regulator Valve -N276- /Fuel Metering Valve -N290-

-- Disconnect the connectors -arrows- from the cam adjustment actuator.

-- If applicable, remove bolt -5- and free up the ground wire.

-- Free up the connector from the clip -4- and pivot it forward.

-- Release the retainers in direction of -arrow-, remove the wiring duct -4- upward from the bracket and move it towards the front.

Fig 1: Identifying Bolts
GWWA19-11613Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of damaging the coolant line.

  • Do not change the shape of the coolant line.

-- Remove the bolts -1, 2 and 3-. Carefully swing the coolant line slightly toward the rear.

-- Disconnect the connector -1- from the EVAP Canister Purge Regulator Valve 1 -N80-.

Fig 2: Connector And EVAP Canister Purge Regulator Valve 1 -N80
GWWA15-11501Courtesy of AUDI OF AMERICA, LLC

-- Press the release button on the crankcase ventilation hose -2- and remove the hose.

NOTE:

Due to technical reasons, the crankcase ventilation hose cannot be opened without it being destroyed for some market-specific versions. The crankcase ventilation hose must be replaced after opening.

-- Remove the bolts -arrows- and the oil separator.

-- Remove the noise insulation. Refer to OVERVIEW - NOISE INSULATION .

-- Remove the front right wheel spoiler. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

All additional procedures are described under: CAMSHAFT, REMOVING AND INSTALLING .