Ignition System: Service and Repair

Ignition System Components, Assembly Overview





1 Connection for knock sensor

• Secured to fuel rail with retaining strap

2 Knock sensor 1 (G61)

• Sensor contacts and connector contacts gold plated

• Knock sensor wiring fastened to coolant pipe

3 20 Nm

• Torque setting influences function of knock sensor

4 Camshaft position (CMP) sensor 2 (G163)

• For intake camshaft, bank 2

• Sensor contacts and connector contacts gold plated

5 10 Nm

6 25 Nm

7 Washer

• Conical

• Note installation position

8 Hood

• For Camshaft Position (CMP) Sensor

• Observe installed location

9 Ignition coil with power output stage ((N70, N127, N291, N292, N323, N324, N325, N326))

• Remove and install using Ignition Coil Puller (T40039) only.

10 Spark plug, 30 Nm

• Remove and install using Spark Plug Removal Tool (3122B).

• Type and spark plug gap --> [ Spark Plug Technical Data ] Application and ID, test data, spark plugs

11 Knock sensor 2 (G66)

• Knock sensor wiring fastened to bracket --> [ (Item 12) Bracket ]

12 Bracket

13 10 Nm

14 Camshaft Position (CMP) sensor (G40)

• For intake camshaft, bank 1

• Sensor contacts and connector contacts gold plated