Ignition Coil: Service and Repair

Ignition Coil with Power Output Stage

Special tools, testers and auxiliary items required

• Ignition Coil Puller (T40039)

• Special Lubricant (G 052 141 A2)

Removing

• To remove from the spark plugs, place the ignition coil puller (T40039) on the top most thick rib - arrow - of the ignition coil with power output stage.






• The lower ribs may be damaged if they are used.

- Remove the engine cover with air filter. Refer to => [ Engine Cover with Air Filter ] Engine Cover With Air Filter.

- Disconnect the connector - arrow - from the secondary air injection solenoid valve (N112) , if applicable.






In order to prevent damage to the wire guide, remove the ignition coil with power output stage as follows:

- Pull all the ignition coils approximately 10 mm out of the spark plug shaft using the ignition coil puller (T40039). Start with ignition coil - 1 -.






- Then, pull out all ignition coils a further 10 mm in the same sequence.

- Disengage all connectors and pull them out only slightly.

- Disconnect all the connectors - A - starting at ignition coil - 1 - and remove the ignition coils from the spark plug shaft.






Installing

- Insert all ignition coils loosely into the spark plug shaft.

- Align the ignition coils to the recesses in the cylinder head cover. Connect all the connectors to the ignition coils in the opposite order.

- Press the ignition coils evenly onto the spark plugs by hand.