Yukon 4WD V8-5.3L (2008)
2. Pull only on the boot in order to remove the wire from the spark plug.
6. 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.
7. Remove the oil level indicator tube bolt (419).
8. Remove the oil level indicator tube (420) from the engine block.
9. Remove the exhaust manifold bolts and exhaust manifold.
10. Remove and discard the exhaust manifold gasket.
11. Remove and discard the exhaust manifold seal.
