Left cylinder head, removing

WARNING: This page is about a different car, the 2006 Audi A8, 2005 Audi A8, and 2004 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

Special tools, testers and auxiliary items required

Fig 1: Socket T10070

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Polydrive Bit and Drive Socket T10070

Fig 2: Crankshaft Holder 3242

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Crankshaft Holder 3242

Removing

NOTE:

Before raising the vehicle on a hoist (wheels off the ground), first activate the vehicle jack mode → 43 - Self Leveling Suspension .

NOTE:

Secure all hose connections using hose clamps appropriate for the model type .
All cable ties which are opened or cut open when removing, must be replaced in the same position when installing.
Replace cylinder head bolts.
Always replace self-locking nuts, bolts which have been tightened to tightening torque as well as gaskets and O-rings.
When replacing the cylinder head or cylinder head gasket, coolant must be completely replaced.

Remove engine → Engine, removing and installing .

Fig 3: Removing Guide Pipe For Oil Dipstick From Cylinder Head

GW00026566

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove guide pipe for oil dipstick from cylinder head.
Toothed belt, removing → Toothed belt, removing and installing .
Remove camshaft gear from cylinder bank 5 to 8.

Fig 4: Removing Bolts And Toothed Belt Guard At Rear

GW00028837

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove bolts - 2 - and remove toothed belt guard at rear.
Loosen nuts - 1 -.

Fig 5: Identifying Hose, Bolts & Connector

GW00026569

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect hose - 1 -.
Remove bolts - 2 -.
Disconnect connector - 3 -.
Remove bolt - 4 - and pull out oil line.

Remove bolts - 5 - and remove combination valve.

Fig 6: Removing Water Pipe At Left/Right

GW00026570

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove water pipe - arrows - at left and right.
Remove intake manifold → 24 MULTIPORT FUEL INJECTION (MFI) .

Fig 7: Removing Pipe Of Crankshaft Housing Ventilation

GW00028838

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove pipe of crankshaft housing ventilation - arrows -.
Remove left front exhaust pipe with catalytic converter.
Remove ignition coils → 28 IGNITION/GLOW PLUG SYSTEM .

Fig 8: LH Cylinder Head Cover Bolt Loosening/Tightening Sequence

GW00026552

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove left cylinder head cover bolts in sequence - 12 to 1 -.
Remove cylinder head cover.

Fig 9: LH Cylinder Head Bolts Loosening Sequence

GW00026572

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Follow sequence - 1 to 10 - when loosening cylinder head bolts.
Remove cylinder head and place it on a soft surface (foam).