Removal Procedure
- Remove the spark plug wires. Refer to
Spark Plug Wire Replacement
in Engine Mechanical - 6.0L.
- Loosen
each spark plug one or 2 turns.
- Brush or air blast away any dirt from around the spark plugs.
- Remove the spark plugs one at a time. Place each plug in a
tray marked with the corresponding cylinder numbers.
Installation Procedure
- Properly
position each spark plug washer.
- Inspect each spark plug gap. Adjust each plug as needed.
Specification
Spark plug gap: 1.524 mm (0.060 in)
- Hand start the spark plugs in the corresponding cylinders.
Notice: Refer to Fastener Notice in the Preface section.
- Tighten the spark plugs.
Tighten
Tighten the spark plugs to 20 N·m
(15 lb ft).
- Install the spark plug wires. Refer to
Spark Plug Wire Replacement
in Engine Mechanical - 6.0L.