Right cylinder head cover, removing and installing

WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools, testers and auxiliary items required

Fig 1: Identifying Ignition Coil Puller T40039

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Puller T40039

Removing

Fig 2: Removing Rear Engine Cover

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Remove rear engine cover - arrows -.

Fig 3: Identifying Front Engine Cover

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Remove front engine cover - arrows -.

Fig 4: Identifying Bolts & Air Duct

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Remove bolts - arrows -.
Remove air duct - 1 - and - 2 -.

Fig 5: Disconnecting Check Valve From Connection At Air Duct Hose

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Disconnect check valve - 1 - from air duct hose.
Remove air duct hose, thereby loosening hose clamp - 2 - and opening clips - arrows -.

Fig 6: Removing Pin From Spreader Clips

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Remove pin from spreader clips - arrow -.
Remove air filter housing.

Fig 7: Disconnecting Electrical Harness Connectors

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Disconnect electrical harness connectors.

Engine Coolant Temperature (ECT) Sensor G62
Change-over valve for intake manifold flap N239

NOTE:

Ignore - 3 -.

Fig 8: Disconnecting Electrical Connector At Low Fuel Pressure Sensor G410

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Disconnect electrical connector - arrow - at Low Fuel Pressure Sensor G410.

Fig 9: Disconnecting Electrical Harness Connectors

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Disconnect electrical harness connectors.

1 - Camshaft Adjustment Valve 1 (exhaust) N318

3 - Camshaft Position (CMP) sensor G40

4 - Intake Manifold Runner Position Sensor G336

5 - Camshaft position (CMP) sensor 3 G300

NOTE:

Ignore - 2 -.

Remove bolts - arrows - and separate electrical connections at ignition coils.
Set electrical wiring harness aside.

Fig 10: Removing Ignition Coils Using Ignition Coil Puller T40039

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Remove ignition coils using ignition coil puller T40039.

Fig 11: Removing Crankshaft Housing Ventilation Hose & Right Cylinder Head Cover Bolts Tightening Sequence

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Remove crankshaft housing ventilation hose - arrow -.
Remove right cylinder head cover bolts in sequence - 12 to 1 -.
Remove cylinder head cover.

Installing

Installation is in reverse order of removal, note the following:

NOTE:

Replace cylinder head cover gaskets if damaged.
Replace bolts for cylinder head cover if gasket is damaged.

Clean sealing surfaces so they are completely free of any oil or grease.
Tighten cylinder head cover in sequence - 1 to 12 -.

Torque specifications

Component	Nm
Cylinder head cover to cylinder head	9
Hose clamps 9 mm wide	3