How Do You Remove Valve Cover Plug Wires?
“In this segment, we’re going to cover removing the plug wires. Prior to removing the plug wires we need to pay close attention to the order that the plug wires are installed. On a newer vehicle, or a vehicle with the original equipment still installed, the plug wires are numbered from the factory. This being a four cylinder engine, the plug wires would be numbered one through four because they are indicating cylinder. It’s extremely important that the plug wire for which ever cylinder you remove it for goes back into the same cylinder again. The ignition is set on a timed basis and the correct spark has to go to the correct cylinder according to the firing order. So, we must ensure that we keep these plug wires in order, in the correct firing order, and back into the original slots. As you can see, the wiring is clipped into plastic looms which also snap, or bolt, or attach to the valve cover. If we leave all the wires in that loom, and remove them one at a time, you can leave the loo
