Overview - Ignition System

Fig 1: Overview Of Ignition System

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • 20 Nm
   • Tightening specifications affect function of Knock Sensor (KS)
2. Knock Sensor 1 -G61-
   • Contacts gold plated
   • Removing and installing, refer to KNOCK SENSOR, REMOVING AND INSTALLING .
3. Bolt
   • 9 Nm
4. Camshaft Position Sensor -G40-
   • Removing and installing, refer to CAMSHAFT POSITION SENSOR, REMOVING AND INSTALLING .
5. O-Ring
   • Replacing
6. Ignition Coil with Power Output Stage
   • Ignition Coil 1 with Power Output Stage -N70-
   • Ignition Coil 2 with Power Output Stage -N127-
   • Ignition Coil 3 with Power Output Stage -N291-
   • Ignition Coil 4 with Power Output Stage -N292-
   • Removing and installing, refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .
7. Spark Plug
   • Removing and installing, and tightening specifications, refer to APPROPRIATE SPARK PLUG SPECIFICATIONS TABLE
8. O-Ring
   • Replacing
9. Engine Speed Sensor -G28-
   • Removing and installing, refer to ENGINE SPEED SENSOR -G28- REMOVING AND INSTALLING .
10. Bolt
    • 4.5 Nm

Fig 2: Locating Connector Strip Bolt

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -arrow- to 5 Nm.