2006 GMC Yukon | Denali, SL, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
FAQ for Spark Plug Wire Repair
Q: How to install the inspect the spark plug wire for proper installation?
A:
You need to push sideways on each boot to inspect the seating and reinstall any loose boot.
By Bob
GM Specialist
02/11/2022
Q: How to remove the spark plug wire from the spark plug?
A:
You need to twist the spark plug wire boot a 1/2 turn and pull only on the boot to remove the wire from the spark plug.
By Bob
GM Specialist
02/11/2022
FAQ for Other Repair Info
Q: How to install the spark plug?
A:
You need to correctly position the Spark Plug washer, inspect the spark plug gap, hand start the spark plug in the corresponding cylinder, tighten the spark plug, and install the spark plug wire.