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Home >> Audi >> 2017 >> A3 Premium, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition/Glow Plug System Servicing 2.0L (CZRA) >> 28 Ignition/Glow Plug System >> Ignition System >> Overview - Ignition System
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Overview - Ignition System

Fig 1: Exploded View Of Ignition System
GWWA28-10181Courtesy of AUDI OF AMERICA, LLC
  1. Bolt
    • 8 Nm +90°.
    • Replace after removing.
    • The tightening specifications affect function of the knock sensor.
  2. Knock Sensor 1 -G61-
  3. Spark Plug
    • 30 Nm.
  4. Spark Plug Connectors
  5. Ignition Coil
    • 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-.
  6. Double Bolt
    • In the existing threads: 9 Nm.
    • In the new tapping threads: 10 Nm.
    • Thread cutting.
  7. Nut
    • 9 Nm.
  8. Bolt
    • In the existing threads: 9 Nm.
    • In the new tapping threads: 9 Nm.
    • Thread cutting.
  9. Camshaft Position Sensor 3 -G300-
  10. O-Ring
    • Replace if damaged or leaking.
  11. O-Ring
    • Replace if damaged or leaking.
  12. Camshaft Position Sensor -G40-
  13. Bolt
    • 9 Nm.
  14. O-Ring
    • Replace if damaged or leaking.
  15. Engine Speed Sensor -G28-
  16. Bolt
    • 4 Nm +45°.
    • Replace after removing.