Upper Timing Chain Covers, Removing And Installing: Removing

Depending on the model preliminary work may be required: TIMING CHAIN COVER, REMOVING AND INSTALLING .

-- Remove the rear fuel line. Refer to REAR FUEL LINE, REMOVING .

Cylinder Bank 1 (Right): 

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-- If necessary, free up the wiring harness.

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

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

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-- Remove the nuts -arrows- and free up the bracket with the wiring harness.

-- Loosen and remove the bolts/double bolt in the following sequence: -8 to 1-.

Fig 1: Cylinder Bank 1 Timing Chain Cover (Right) - Tightening Sequence

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Cylinder Bank 2 (Left), Equipment Version with Particulate Filter: 

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-- If necessary, remove the bolts -arrows- and remove the bracket -1-. There are different versions.

Cylinder Bank 2 (Left), Continuation for All Vehicles: 

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-- Disconnect the connectors and free up the wires:

1 -  For the Camshaft Adjustment Valve 2 -N208-

3 -  For the Exhaust Camshaft Adjustment Valve 2 -N319-

Audi A8 / S8: 

-- Remove the connector -2- from the bracket and then free up the wires.

-- Remove the nuts -arrows- and push the bracket with the wiring harness to the side.

All: 

-- Remove the bracket -4- for the vacuum line from the double bolt and push it to the side.

-- Loosen and remove the bolts/double bolt in the following sequence: -8 to 1-.

Fig 2: Cylinder Bank 2 Timing Chain Cover (Left) - Tightening Sequence

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Continuation for Both Sides: 

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