Ignition System Components, Removing and Installing
WARNING: This page is about a different car, the 2009 Audi A8, 2008 Audi A8, 2007 Audi A8, 2006 Audi A8, and 2005 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Cylinder bank 1 with cylinders 1 through 6 is located at right in direction of travel.
- Cylinder bank 2 with cylinders 7 through 12 is located at left in direction of travel.
- Control housing with camshaft adjustment valves → Control housing with camshaft adjustment valves
1 - Connector
- Black, 4-pin
- Before disconnecting, mark allocation of connector to component
2 - Hood
- For Camshaft Position (CMP) Sensor
3 - Camshaft Position (CMP) sensor*
- Before disconnecting, mark allocation of connector to component
- Sensor contacts and connector contacts gold plated
- Checking → Camshaft Position Sensor, Checking
Cylinder bank 1
- Camshaft Position (CMP) Sensor 1 G40 on intake camshaft
- Camshaft Position (CMP) Sensor 3 G300 on exhaust camshaft
Cylinder bank 2
- Camshaft Position (CMP) Sensor 2 G163 on intake camshaft
- Camshaft Position (CMP) Sensor 4 G301 on exhaust camshaft
4 - 10 Nm
5 - 20 Nm
- Torque setting influences the function of knock sensor
6 - Knock sensors*
- Contact surfaces between knock sensor and cylinder block must be free of corrosion, dirt and grease
- Checking → Knock Sensors, Checking
Cylinder bank 1
- Component location: Knock Sensors 1 and 2 → Component location: Knock sensors 1 and 2 for cylinder bank 1
Cylinder bank 2
- Component location: Knock Sensors 3 and 4 → Knock Sensor 3 G198 under Knock Sensors, Checking
7 - 3-pin connector
- Contacts gold plated
- Light gray for Knock Sensor (KS) 1 G61
- Gray for Knock Sensor (KS) 2 G66
- Orange for Knock Sensor 3 G198
- Black for Knock Sensor 4 G199
8 - Spark plug, 30 Nm
- Type and spark plug gap → Technical Data, Spark Plugs
9 - Ignition coils with power output stages*
- Removing and installing → Ignition Coils With Power Output Stage, Removing and Installing
- Checking → Ignition Coils With Power Output Stages, Checking
Cylinder bank 1
- Ignition Coil with Power Output Stage 1 to 6 (N70 , N127, N21, N292, N323 and N324)
Cylinder bank 2
- Ignition Coil with Power Output Stage 7 to 12 (N325 to N330)