Removal & Installation (4.8L, 5.3L, 6.0L & 8.1L)

Disconnect negative battery cable. Disconnect electrical connectors from ignition coils. Remove spark plug wires from ignition coils. Remove studs attaching ignition coil bracket to valve cover. Remove ignition coil bracket. To install, reverse removal procedure. Tighten ignition coil bracket studs to specification. See TORQUE SPECIFICATIONS .