Ignition Coil: Service and Repair

Ignition Coils with Power Output Stages

Special tools, testers and auxiliary items required

• Ignition Coil Puller (T40039)

• Lubricating paste (G 052 141 A2)

Removing

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

- Disconnect the connector from the Secondary Air Injection (AIR) solenoid valve (N112) - arrow -, if applicable.





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

- Pull all the ignition coils approximately 10 mm out of the spark plug shaft using the (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

• The ignition coils with power output stages must be greased with lubricating paste (G 052 141 A2) when installing new spark plugs. This prevents the sealing hose on the ignition coil from sticking on the spark plug. The lubricating paste must spread onto the spark pug when installing the ignition coil.

• New ignition coils with power output stages are already greased when delivered.

- Apply a thin bead of lubricating paste (G 052 141 A2) around the ignition coil sealing hose - arrow -. The bead must be 1 to 2 mm thick.





- Insert all ignition coils loosely into 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.