Left cylinder head cover, removing and installing: Removing
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 Audi S4, 2008 Audi S4, 2007 Audi S4, 2006 Audi S4, and 2005 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.
- Remove front engine cover - arrows 1 and 2 -.
- Remove rear engine cover - arrows -.
- Remove cover - 1 - in engine compartment (left side).
- Clamp off coolant hose - 2 - using Hose clamps up to 25 mm diameter 3094 and disconnect from coolant expansion tank.
- Seal connection using a plug that fits.
- Remove coolant expansion tank - arrow -.
- Disconnect electrical wire to Engine Coolant Level (ECL) Warning Switch F66 at bottom on expansion tank and set aside coolant expansion tank with coolant hose - 1 - connected.
- Remove bolt - arrow - at oil dipstick guide tube.
NOTE:
- Guide tube remains inserted in upper part of oil pan.
Fig 6: Removing Bolts On Left Cylinder Head, Disconnecting Electrical Harness Connectors & Removing Ignition Coils
- Remove bolts - 5 - and - 6 -.
- Disconnect electrical harness connectors - 1 to 4 -.
- Remove ignition coils - arrows -.
NOTE:
- Extractor T40039 can be used for removal.
Fig 7: Disconnecting Hose Of Crankshaft Housing Ventilation & Removing Left Cylinder Head Cover Bolts In Sequence
- Disconnect hose of crankshaft housing ventilation - arrow -.
- Remove left cylinder head cover screws in sequence - 15 to 1 -.
- Remove cylinder head cover.