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Home >> Audi >> 2019 >> A4 Premium Plus >> Repair and Diagnosis (Single Page) >> Engine Performance >> Ignition System >> Ignition System (Servicing [CVKB,DBPA,CWNA,CVLA,DEMA,DHDA,DKUA] >> 28 Ignition System >> Ignition System >> Overview - Ignition System
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Overview - Ignition System

Fig 1: Ignition System Component Locations
GWWA28-10181Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Bolt
    • 8 Nm + 90°
    • Always 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 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-
  6. Bolt
    • 10 Nm
  7. Nut
    • 9 Nm
  8. Bolt
    • 9 Nm
  9. Camshaft Position Sensor 3 -G300-
  10. O-ring
    • Always replace if damaged
  11. O-ring
    • Always replace if damaged
  12. Camshaft Position Sensor -G40-
  13. Bolt
    • 9 Nm
  14. O-ring
    • Always replace if damaged
  15. Engine Speed Sensor -G28-
  16. Bolt
    • 4 Nm + 45°
    • Always replace after removing.