Spark Plug: Service and Repair

Spark Plug Replacement

Removal Procedure

Notice: This engine has aluminum cylinder heads. Do not remove the spark plugs from a hot engine, allow it to cool first. Removing the spark plugs from a hot engine may cause spark plug thread damage or cylinder head damage.

1. Remove the ignition coils.






Important: Remove any water and debris from the spark plug holes before spark plug removal with compressed air.

2. Remove the spark plugs with a spark plug socket.
3. Inspect the spark plugs.

Installation Procedure

1. Gap the spark plug, using round wire type spark plug gap gage.

Adjust the spark plug gap to 1.14 mm (0.045 in).






Notice: Refer to Fastener Notice.

Important: DO NOT coat the spark plugs with anti-seize compound. Over torquing could occur and damage to the cylinder head threads may result.

2. Install the spark plugs with a spark plug socket.

Tighten the spark plugs to 20 N.m (15 lb ft).

3. Install the ignition coils.