Ignition Coils, Removing and Installing

Ignition Coils, Removing And Installing

Special tools, testers and auxiliary items required







- Puller T40039

Removing







- Remove front engine cover - arrows -.







- Remove rear engine cover - arrows -.

Cylinder bank 1 (right):







- Remove bolts - arrows -.
- Remove air duct - 1 - and - 2 -.







- Disconnect check valve - 1 - from air duct hose.
- Remove air duct hose, thereby loosening hose clamp - 2 - and opening clips - arrows -







- Disconnect electrical connectors at Engine Coolant Temperature (ECT) Sensor G62 - 1 - and Intake Manifold Flap Change-over Valve N239 - 2 -.

NOTE: Ignore - 3 -.







- Disconnect electrical harness connectors.
1. Camshaft Adjustment Valve 1 (exhaust) N318
2. Camshaft Adjustment Valve 1 N205
3. Camshaft Position (CMP) sensor G40
4. Intake Manifold Runner Position Sensor G336
5. Camshaft position (CMP) sensor 3 G300

- Remove bolts - arrows - and disconnect electrical connections at ignition coils.
- Set electrical wiring harness aside.

Cylinder bank 2 (left):







- Remove coolant expansion tank - arrow -.
- Disconnect electrical connection from Engine Coolant Level (ECL) Warning Switch F66 at bottom of coolant reservoir and set aside coolant reservoir with coolant hoses - 1 - and - 2 - connected.







- Disconnect electrical connectors on Intake Manifold Tuning (IMT) Valve Position Sensor G513 - 1 -.

NOTE: Ignore - 2 -.







- Disconnect electrical harness connectors.
1. Camshaft position (CMP) sensor 2 G163
2. Camshaft Adjustment Valve 2 N208
3. Camshaft Adjustment Valve 2 (exhaust) N319
4. Camshaft position (CMP) sensor 4 G301

- Remove bolts - arrows - and disconnect electrical connections at ignition coils.
- Set electrical wiring harness aside.

Continued for both sides:







- Remove ignition coils using ignition coil puller T40039.

Installing
Installation is in reverse order of removal.