Spark Plug: Service and Repair

Spark Plug Replacement

Removal Procedure




1. Remove the spark plug wire from the spark plug.

1. Twist the spark plug wire boot a 1/2 turn.
2. Pull only on the boot in order to remove the wire from the spark plug.




2. Brush or using compressed air, blow away any dirt from around the spark plug.
3. Remove the spark plug.
If removing more than one plug, place each plug in a tray marked with the corresponding cylinder number.

Installation Procedure




1. Inspect the spark plug gap. Adjust the gap as needed. Refer to Ignition System Specifications (Specifications).
2. Hand start the spark plug in the corresponding cylinder.

Caution: Refer to Fastener Caution (Fastener Caution).

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




4. Install the spark plug wire to the spark plug.
5. Inspect the spark plug wire for proper installation:

1. Push sideways on each boot in order to inspect the seating.
2. Reinstall any loose boot.