Spark Plug Replacement

REMOVAL PROCEDURE




IMPORTANT:
^ Do not remove the spark plugs when the engine is warm.
^ Clean any dirt or debris from the spark plug base area.

1. Remove the injector sight shield.
2. Twist the spark plug boots 1/2 turn and remove the spark plug wires from the spark plugs.




3. Remove the spark plugs from the engine.

INSTALLATION PROCEDURE




NOTE: Refer to Fastener Notice in Service Precautions.

1. Install the spark plugs into the engine.

Tighten
Tighten the spark plugs to 15 Nm (11 lb ft).

IMPORTANT: On cylinders that have spark plugs close to the exhaust system, some engines use aluminum heat shields over the spark plug boots. Ensure that the shields are placed in the proper locations and fully seated.

2. Install the spark plug wires over the spark plugs.