Ignition System: Service and Repair

Ignition System Component Overview






1 Knock Sensor 1 (G61)

• On the front of the cylinder head under the intake manifold.

• Removing and installing, refer to => [ knock Sensor 1 (G61) ] Service and Repair.

• Contacts are gold plated.

2 Bolt

• 20 Nm

• Tightening specification, affects the function of the knock sensor.

3 Ignition Coil with Power Output Stage ((N70, N127, N291, N292))

• Removing and installing, refer to => [ Ignition Coils with Power Output Stages ] Service and Repair.

4 Spark Plug

• 25 Nm

• If the spark plug is replaced, grease the ignition coil with power output stage. Refer to => [ Installing ] Service and Repair.

• Type and electrode gap, refer to => [ Test Data and Spark Plugs ] Test Data and Spark Plugs.

• Remove and install using the spark plug removal tool (3122 B).

5 O-ring

• Always replace.

6 Engine Speed Sensor (G28)

• On the front, lower, left of the cylinder block, next to the oil separator, refer to => [ Engine Speed Sensor ] Component Location Overview.

• Removing and installing, refer to => [ Engine Speed Sensor (G28) ] Service and Repair.

7 Bolt

• 10 Nm

8 Camshaft Position Sensor (G40)

• In the front of the cylinder head cover.

• Contacts are gold plated.