Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Ignition System: Service and Repair






Ignition Components Overview





1 Knock Sensor (KS) 1 (G61)

Contacts are gold plated.

2 Bolt, 20 Nm

Tightening specification affects the function of the KS.

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

Type and electrode gap, refer to => [ Technical Data ] Technical Data.

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

5 Bolt, 10 Nm

6 Camshaft Position (CMP) Sensor (G40)

Contacts are gold plated.

7 O-ring

Replace if damaged.

8 Knock Sensor (KS) 2 (G66)

Contacts are gold plated.