Ignition Coil: Service and Repair

Ignition Coils

Special tools, testers and auxiliary items required

• Ignition Coil Puller (T40039)

Remove the ignition coils from cylinder bank 1:

- Only remove the lower section of the air filter housing for cylinder 1 ignition coil. Refer to => [ Air Filter Housing, Lower Section ] Air Filter Housing, Lower Section.

- For cylinder 2 and 3 ignition coils, remove the air guide hose (open the hose clamp - 3 - and the clips - arrows -).





- Remove bolts from the ignition coil wiring harness.

- Release electrical connectors and remove connectors simultaneously from ignition coils.

- Remove ignition coils with Ignition Coil Puller (T40039) from spark plug shaft





Remove ignition coils from cylinder bank 2:

- Remove coolant reservoir - arrows -.





- Disconnect electrical connector to the engine coolant level warning switch (F66) on the bottom of the coolant reservoir and lay the reservoir aside with the coolant hoses - 1 and 2 - and - 3 - attached.

- Remove bolts - arrows -.





- Pull ignition coils approximately 30 mm out of the spark plug shaft using the Ignition Coil Puller (T40039).

- Release electrical connectors and remove connectors simultaneously from ignition coils.





Installing

- Insert all ignition coils loosely into spark plug shaft.

- Align the ignition coils to the connectors and then connect all of the connectors simultaneously onto the ignition coils.

- Press the ignition coils uniformly onto the spark plugs by hand (do not use an impact tool under any circumstances).

Further installation is performed in reverse order.

• Tightening specification, wiring for ignition coils to cylinder head cover: 5 Nm