Avalanche 4WD V8-5.3L (2011)
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
