Spark Plug Replacement

REMOVAL PROCEDURE

NOTE: This engine is equipped with an aluminum cylinder head. Allow the engine to cool before removing spark plugs. Removing the spark plugs from an engine at operating temperature may damage the spark plug threads in the cylinder head. Also be sure to clean any dirt or debris from around spark plug holes prior to removing spark plugs.




1. Remove the two fasteners and the ignition coil cover (2) from the valve cover (1).




2. Disconnect the ignition coil electrical connector.
3. Remove the bolt (1) and the ignition coil (2) for each cylinder.
4. Remove each spark plug (3) from the cylinder head.
5. Inspect the condition of the spark plugs. Refer to Spark Plug Inspection.

INSTALLATION PROCEDURE




1. Check for the correct spark plug gap and adjust as necessary. Refer to Ignition System Specifications.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the spark plugs (3) into the cylinder head.

Tighten
Tighten the spark plug to 25 N.m (18 lb ft).

3. Install the ignition coil (2) to each spark plug and secure with the bolt (1).

Tighten
Tighten the ignition coil bolts to 10 N.m (89 lb in).

4. Connect the ignition coil electrical connectors.




5. Install the ignition coil cover (2) to the valve cover (1).
6. Secure the ignition coil cover (2) with the two fasteners.