Sierra 3500 4WD V8-6.0L (2008)
![background image](/gmc/sierra_3500_4wd/v8-6.0l/Page-1139001.png)
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.