Ignition coils, removing and installing
WARNING: This page is about a different car, the 2010 Audi A8, 2009 Audi A8, 2008 Audi A8, and 2007 Audi A8. 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 from cylinders 1, 2 and 3 (cylinder bank 1):
- Remove bolts - 1 - and - 2 -.
- Release electrical connectors and remove connectors simultaneously from ignition coils.
- Remove ignition coils with Puller T40039 from spark plug shaft
Removing cylinder 4 (cylinder bank 1):
- Disconnect electrical connector - 1 - from Mass Air Flow (MAF) Sensor G70.
- Open hose clamp - 2 -.
- Remove screws - arrows - from air filter housing and remove upper part of housing.
- Remove bolts - 1 - and - 2 -.
- Release electrical connectors and remove connectors simultaneously from ignition coils.
- Remove ignition coil (cylinder 4) using ignition coil puller T40039.
Removing cylinders 5, 6, 7 and 8 (cylinder bank 2):
- Remove oil dipstick - 1 - from guide tube.
- Remove bolts - 2 - and - 3 -.
- Release electrical connectors and remove connectors simultaneously from ignition coils.
- Remove ignition coils with Puller T40039 from spark plug shaft
Installing
- Insert all ignition coils loosely into spark plug shaft.
- Align ignition coils to the connectors and then connect all of the connectors simultaneously onto ignition coils.
- Press ignition coils uniformly onto spark plugs by hand (do not use an impact tool under any circumstances).
Further installation is in reverse order of removal.
Torque specifications
| Component | Nm |
|---|---|
| Wiring for ignition coils at cylinder head cover | 5 |