F 450 4WD Super Duty V10-6.8L VIN D (2004)
Spark Plug: Service and Repair
SPARK PLUG
REMOVAL
1. Remove the air cleaner outlet tube.
2. Remove the ignition coil.
3. NOTE: Remove any foreign material from the spark plug wells with compressed air.
Remove the spark plug.
4. Inspect the spark plugs.
5. Adjust the spark plug gap as necessary.
INSTALLATION
1. To install, reverse the removal procedure.
