Overview - Ignition System
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Audi S8, 2018 Audi A8 Quattro, 2017 Audi S8, 2017 Audi A8 Quattro, and 2016 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.
- Knock Sensor
- Cylinder Bank 1 (Right)
- Front Knock Sensor 1 -G61-
- Rear Knock Sensor 2 -G66-
- Removing and installing. Refer to KNOCK SENSOR, REMOVING AND INSTALLING .
- Bolt
- 20 Nm
- Tightening specifications affect the function of the knock sensor
- O-ring
- Always replace
- Camshaft Position Sensor
- Intake side: Camshaft Position Sensor -G40-
- Removing and installing. Refer to Camshaft Position Sensor -G40-, REMOVING AND INSTALLING, CYLINDER BANK 1 (RIGHT) .
- Exhaust side Camshaft Position Sensor 3 -G300-
- Removing and installing. Refer to Camshaft Position Sensor 3 -G300-, REMOVING AND INSTALLING, CYLINDER BANK 1 (RIGHT) .
- Bolt
- 9 Nm
- Spark Plug
- Tightening specification. Refer to appropriate service information.
- Replacement interval. Refer to Maintenance Tables.
- Ignition Coil
- Removing and installing. Refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- Cable Guide
- Bolt
- 5 Nm
- Engine Speed Sensor -G28-
- Removing and installing. Refer to Engine Speed Sensor -G28-, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- Bolt
- 9 Nm
- Camshaft Position Sensor
- Intake side Camshaft Position Sensor 2 -G163-
- Removing and installing. Refer to CAMSHAFT POSITION SENSOR 2 -G163- /CAMSHAFT POSITION SENSOR 4 -G301-, REMOVING AND INSTALLING, CYLINDER BANK 2 (LEFT) .
- Exhaust side: Camshaft Position Sensor 4 -G301-
- Removing and installing. Refer to CAMSHAFT POSITION SENSOR 2 -G163- /CAMSHAFT POSITION SENSOR 4 -G301-, REMOVING AND INSTALLING, CYLINDER BANK 2 (LEFT) .
- O-ring
- Always replace
- Bolt
- 20 Nm
- Tightening specifications affect the function of the knock sensor
- Knock Sensor
- Cylinder Bank 2 (Left):
- Front Knock Sensor 3 -G198-
- Rear Knock Sensor 4 -G199-
- Removing and installing. Refer to KNOCK SENSOR, REMOVING AND INSTALLING .