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Home >> Audi >> 2021 >> SQ8 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 227 (Cylinder Head, VALVETRAIN (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)) >> 15 Cylinder Head, VALVETRAIN >> Chain Drive >> Camshaft Timing Chain, Removing From Camshafts >> Camshaft Timing Chain, Removing From Camshafts, Cylinder Bank 1 (Right) >> Removing

Camshaft Timing Chain, Removing From Camshafts, Cylinder Bank 1 (Right): Removing

WARNING: This page is about a different car, the 2024 Audi SQ7 and 2023 Audi SQ7. However, it is still accessible from the selected car via links, so may be relevant.

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

-- Remove the fan shroud. Refer to FAN SHROUD, REMOVING AND INSTALLING .

Vehicles with Starter Generator:

GWWA21-11662Courtesy of AUDI OF AMERICA, LLC

-- Remove the front right wheel housing liner front section. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

-- Loosen the hose clamp -1- and remove the air duct hose.

Continuation for All Vehicles:

GWWA21-11660Courtesy of AUDI OF AMERICA, LLC

-- Loosen the clamps -1 and 2- and remove the air duct hose.

-- Remove the right lower air duct pipe on the turbocharger. Refer to LOWER AIR DUCT PIPE ON TURBOCHARGER, REMOVING AND INSTALLING .

-- Free up the coolant line with the clip on the bracket -2-.

GWWA19-13299Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and move the bracket -2- with the vacuum reservoir -3- to the side.

-- Disconnect the connectors and free them up:

GWWA24-12233Courtesy of AUDI OF AMERICA, LLC
  1. Charge Air Pressure Sensor -G31-
  2. Throttle Valve Control Module -GX3-
  3. Mechanical Coolant Pump Switch Valve -N649-

-- Remove the bolts -arrows-.

-- Disconnect the connectors and free them up:

GWWA24-12234Courtesy of AUDI OF AMERICA, LLC

2 -

Manifold Absolute Pressure Sensor -G71-

4 -

Positive Crankcase Ventilation Heating Element -N79-

5 -

EVAP Canister Purge Regulator Valve 1 -N80-

-- Free up the wiring harness on the clip -arrows-.

-- Press the release buttons on both sides, and remove the hose -6- for the EVAP system and the hose -3- for the crankcase ventilation.

TIP:

Push the release buttons carefully with a 45° needle nose pliers on both sides.

-- Free up the vacuum line from the clips -1-.

-- Push the wiring duct upward.

-- If installed, disconnect the connector -1- for the Tank Ventilation Pressure Sensor 1 -G950-.

GWWA20-12245Courtesy of AUDI OF AMERICA, LLC

-- Free up the wires -1, 2 and 3- on the bracket -4-.

GWWA15-12516Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and move the bracket to the side.

All additional procedures are described under: CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .