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Home >> Audi >> 2017 >> Q7 Prestige >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition/Glow Plug System [CREC] >> 28 Ignition/Glow Plug System >> Ignition System >> Overview - Ignition System
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Overview - Ignition System

Fig 1: Exploded View Of Ignition System
GWWA28-10091Courtesy of AUDI OF AMERICA, LLC
  1. Bolt
    • 9 Nm
  2. Camshaft Position Sensor
  3. O-ring
    • Always replace after removing
  4. Knock Sensor
    • Cylinder bank 1 (right) Knock Sensor 1 -G61-
    • Cylinder bank 2 (left) Knock Sensor 2 -G66-
    • The contact surfaces between the knock sensor and cylinder block must be free of corrosion, dirt and grease.
    • Removing and installing. Refer to KNOCK SENSOR, REMOVING AND INSTALLING .
  5. Bolt
    • 25 Nm
  6. Spark Plug
  7. 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-
    • Ignition Coil 5 with Power Output Stage -N323-
    • Ignition Coil 6 with Power Output Stage -N324-
  8. Bolt
    • 5 Nm
  9. Wiring Harness
  10. Engine Speed Sensor -G28-
  11. Bolt
    • 9 Nm
  12. O-ring
    • Always replace after removing
  13. Camshaft Position Sensor
  14. Bolt
    • 9 Nm