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Home >> Audi >> 2009 >> A4 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (3.2L - Ignition/Glow Plug System - Engine Code(S): CALA (Sedan) (As Of 08.2010)) >> Ignition/Glow Plug System >> Description And Operation >> Ignition Overview

Ignition Overview

WARNING: This page is about a different variant/trim than selected.
Fig 1: Ignition Overview
GWWA28-10021Courtesy of AUDI OF AMERICA, LLC
  1. Ignition Coil Connector
    • 4-pin
  2. Bolt
    • 10 Nm
  3. 3-Pin Connector
  4. Camshaft Position Sensor
    • Camshaft position sensor -G40- cylinder bank 1
    • Camshaft position sensor 3 -G300- cylinder bank 1
    • Camshaft position sensor 2 -G163- cylinder bank 2
    • Camshaft position sensor 4 -G301- cylinder bank 2
  5. O-ring
    • Replace if damaged
    • Coat with clean engine oil
  6. Bolt
    • 20 Nm
    • Tightening specifications affect function of knock sensor
  7. Knock Sensors
    • Contact surfaces between knock sensor and cylinder block must be free of corrosion, dirt and grease
    • Knock sensor (KS) 1 -G61- cylinder bank 1
    • Knock sensor (KS) 2 -G66- cylinder bank 1
    • Removing and installing, refer to KNOCK SENSORS 
  8. Spark Plug
    • 30 Nm
    • Removing and installing with the Spark Plug removal tool 3122 B.
  9. 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-
    • Ignition coil 5 with power output stage -N323-
    • Ignition coil 6 with power output stage -N324-
    • Removing and installing, refer to IGNITION COILS 
    • To remove, use the ignition coil Puller T40039