Operation CHARM: Car repair manuals for everyone.

Ignition System: Service and Repair






Ignition System Component Overview

• The engine speed sensor, - item 26 - in the => [ Cylinder Block and Attaching Components ] Service and Repair, is on the cylinder block.






1 Ignition Coil with Power Output Stage (N70, N127, N291, N292, N323, N324)

• Remove and install using the puller for ignition coil (T10095 A).

2 Connector

• Black

• Use the assembly tool (T10118) to disconnect.

3 Bracket

• For the knock sensor 1 connector.

4 Bolt

• 20 Nm

5 Connector

• Black, 3 pin.

• The sensor contacts and connector contacts are gold plated.

6 Knock Sensor 1 (G61)

• Component location: Cylinder block, exhaust side.

7 Bolt

• 20 Nm

• Tightening specification affects the function of the knock sensor.

8 Exhaust Camshaft Adjuster

• Identification: 32A

• With the sensor wheel for the camshaft position sensor 2.

• Installing the camshaft adjuster, refer to => [ Camshaft Adjuster ] Camshaft Adjuster.

9 Cover

10 Connector

• Black, 3 pin

• Sensor contacts and connector contacts are gold plated.

11 Bolt

• 10 Nm

12 Camshaft Position Sensor 2 (G163)

• For the exhaust camshaft.

• Sensor contacts and connector contacts are gold plated.

13 Seal

• Always replace.

14 Camshaft Position Sensor (G40)

• For the intake camshaft.

• Sensor contacts and connector contacts are gold plated.

15 Knock Sensor 2 (G66)

• Component location: Cylinder block, intake side.

• Sensor contacts and connector contacts are gold plated.

16 Connector

• Black, 2 pin.

• Sensor contacts and connector contacts are gold plated.

17 Intake Camshaft Adjuster

• Identification: 24E

• With the sensor wheel for the camshaft position sensor.

• Installing the camshaft adjuster, refer to => [ Camshaft Adjuster ] Camshaft Adjuster.

18 Spark Plug

• 18 Nm

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

• Type and electrode gap, refer to => [ Spark Plug Technical Data ] [1][2]Spark Plug.

19 Control Housing

• For camshaft adjustment.

• Removing and installing, refer to => [ Camshafts ] Camshafts.