Right cylinder head cover, removing and installing
WARNING: This page is about a different car, the 2008 Audi RS 4 and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.
Special tools, testers and auxiliary items required
- Puller T40039
Removing
- Pull rear engine cover off - arrows -.
- Remove bolts - arrows -.
- Remove air duct - 1 - and - 2 -.
- Disconnect vacuum hose - 2 - from air guide hose.
- Remove hose clamps - 1 - and - 3 - and lay air guide hose aside.
CAUTION:
Hose connectors - 4
- must not be opened.
Fig 4: Disconnecting Mass Air Flow (Maf) Sensor G70 Electrical Harness Connector, Removing Bolts And Upper Part Of Air Filter Housing
- Disconnect electrical harness connector - 3 - at Mass Air Flow (MAF) Sensor G70.
- Remove hose - 1 - to Secondary Air Injection (AIR) pump by pressing release buttons.
- Disconnect air guide hose - 4 - at Mass Air Flow (MAF) sensor.
- Free up wiring harness - 2 - at air filter housing.
- Remove bolts - arrows - and remove upper part of air filter housing.
- Remove bolts - 3 - and - 6 - on right cylinder head.
- Disconnect electrical connectors - 1, 4, 5, 7, 8, 9 -.
- Remove crankcase ventilation hose - 2 - by pressing release buttons.
- Remove ignition coils using ignition coil puller T40039.
- Remove right cylinder head cover bolts in sequence - 16 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.
- Secure all hose connections using hose clamps appropriate for the model type .
- Clean sealing surfaces, they must be free of oil and grease.
- Tighten cylinder head cover in sequence - 1 to 16 -.
Torque specifications
| Component | Nm |
|---|---|
| Cylinder head cover to cylinder head | 9 |
| Wiring for ignition coils at cylinder head cover | 5 |