Yukon Denali 4WD V8-6.0L Hybrid (2011)
4. Remove the catalytic converter to exhaust manifold nuts. (1500 series shown, 2500 series similar).
5. Lower the vehicle part way in order to work through the wheel opening.
6. Remove the spark plug wires from the spark plugs.
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.
7. Remove the spark plug wires from the ignition coils.
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 ignition coil.
8. Mark the relationship of the upper intermediate steering shaft to the steering column.
9. Remove the steering shaft coupling bolt (2) and nut (1) from the upper intermediate steering shaft.
10. Separate the upper intermediate steering shaft (3) from the steering column, position both shafts out of the way.
