GTO V8-6.0L VIN U (2005)
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Spark Plug: Service and Repair
SPARK PLUG REPLACEMENT
REMOVAL PROCEDURE
1. Remove the spark plug wires.
2. Loosen each spark plug 1 or 2 turns.
3. Use a brush, or use compressed air in order to remove any dirt from the spark plugs.
4. Remove the spark plugs one at a time and place each plug in a tray marked with the corresponding cylinder numbers.
INSTALLATION PROCEDURE