Removal Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the spark plug wire from the spark plug.
- Twist the spark plug wire boot a 1/2 turn.
- Pull only on the boot in order to remove the wire from the spark plug.
- Brush or using compressed air, blow away any dirt from around the spark plug.
- Remove the spark plug.
If removing more than one plug, place each plug in a tray marked with the corresponding cylinder number.