RAM 1500 Truck 4WD V8-5.9L VIN Z (2002)
Spark Plug: Service and Repair
Spark Plug Cleaning and Adjustment
CLEANING AND ADJUSTMENT
The plugs may be cleaned using commercially available spark plug cleaning equipment. After cleaning, file center electrode flat with a small point file
or jewelers file before adjusting gap.
CAUTION: Never use a motorized wire wheel brush to clean spark plugs. Metallic deposits will remain on spark plug insulator and will cause plug
misfire.
Fig.51 Setting Spark Plug Gap - Typical
Adjust spark plug gap with a gap gauging tool.
