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Home >> Audi >> 2021 >> S4 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 87 (Ignition/Glow Plug System 2.0L (DPAA)) >> 28 Ignition/Glow Plug System >> Ignition System >> Overview - Ignition System
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Overview - Ignition System

WARNING: This page is about a different car, the 2022 Audi A4 Quattro and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Ignition System
GWWA28-10181Courtesy of AUDI OF AMERICA, LLC
  1. Bolt
    • 22 Nm
  2. Knock Sensor 1 -G61-
  3. Spark Plug
    • 27.5 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
    • Thread cutting
    • In the existing threads: 9 Nm
    • In the new tapping threads: 10 Nm
  7. Nut
    • 9 Nm
  8. Bolt
    • Thread cutting
    • In the existing threads: 9 Nm
    • In the new tapping threads: 9 Nm
  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