Ignition Coil: Service and Repair

Ignition Coils with Power Output Stages

Special tools, testers and auxiliary items required

• Ignition Coil Puller (T40039)

- Remove rear engine cover - 2 -.





Removing cylinder bank 1 (right):

- Remove air guide hose between Mass Air Flow (MAF) Sensor (G70) and Throttle Valve Control Module (J338) by loosening hose clamps - arrows -.





- Lay air guide hose with connected vacuum lines - 1 and 2 - on its side.

- Disconnect electrical harness connector from Mass Air Flow (MAF) sensor (G70).

- Remove bolts - arrows -.





- Remove upper section of air filter housing.

- Remove bolts - 1 - and - 2 -.





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





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

Removing cylinder bank 2 (left):

- Remove air guide hose between Mass Air Flow (MAF) Sensor 2 (G246) and Throttle Valve Control Module 2 (J544) by loosening hose clamps - 1 and 2 -.





- Disconnect electrical harness connector from Mass Air Flow (MAF) sensor 2 (G246).

- Remove bolts - arrows -.





- Remove upper section of air filter housing.

- Remove bolts - 1 - and - 3 -.





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





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

Installing the ignition coils

- 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).

Tightening Specifications