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Home >> Audi >> 2020 >> SQ7 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (Cylinder Head, VALVETRAIN Servicing (2.9L & 3.0L)) >> 15 Cylinder Head, VALVETRAIN >> Timing Chain Cover >> Timing Chain Cover, Removing And Installing >> Upper Timing Chain Covers, Removing And Installing >> Removing

Upper Timing Chain Covers, Removing And Installing: Removing

WARNING: This page is about a different car, the 2022 Audi S7 and 2022 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the rear high pressure pipe. Refer to HIGH PRESSURE PIPE, REMOVING AND INSTALLING .

Cylinder Bank 1 (Right):

GWWA15-12051Courtesy of AUDI OF AMERICA, LLC

-- If installed, remove the Coolant Recirculation Pump -V50-. Refer to COOLANT PUMP/COOLANT THERMOSTAT .

-- Disconnect the connector -2- for the Camshaft Adjustment Valve 1 -N205- and free up the wire.

-- Remove the double bolts -2- and bolts -1- and remove the bracket for the After-Run Coolant Pump -V51-.

GWWA19-12538Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts in the following sequence: -8 to 1-.

Fig 1: Cylinder Bank 1 Timing Chain Cover (Right) - Tightening Sequence
GWWA15-11164Courtesy of AUDI OF AMERICA, LLC

Cylinder Bank 2 (Left):

GWWA15-12053Courtesy of AUDI OF AMERICA, LLC

-- If installed, unclip the bracket -arrow- using the vacuum hose from the timing chain cover and push to the side.

-- Open the heat shield boot and disconnect the connector -arrow- on the Oil Pressure Switch -F22-. (shown on a 3.0L engine).

GWWA17-11097Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1- on the Oil Temperature Sensor -G8-. (shown on a 3.0L engine).

GWWA17-11099Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring harness from the timing chain cover.

-- Remove the bolts in the following sequence: -8 to 1-.

Fig 2: Cylinder Bank 2 Timing Chain Cover (Left) - Tightening Sequence
GWWA15-11978Courtesy of AUDI OF AMERICA, LLC

Continuation for Both Sides: 

-- Carefully loosen and remove the timing chain cover from the bond.

CAUTION:

Risk of destroying the engine by small parts inadvertently entering with the upper timing chain cover removed.

- Cover the timing chain opening with a clean cleaning cloth.