there is no need to change the coil packs just to do routine maintanence
take off plastic cover plugs and coil packs r located there
NO!
Change out coil packs
Thee is no distributor on vehicles with coil over plug packs
IT Has 1 you can disassemble the cowl lever & wiper motor to get to it.
they are under the coil packs which are in the top of the valve cover, unplug the coil packs, take out six bolts, the wires should come out with the coil packs and you will have access to the plugs.
Only if there is a problem with the coil pack(s).
No.
you don't until they give you problems or they burn out
four coil packs
I don't know when Cadillac started doing this, but they eliminated the coil packs and have since been using coil on spark plug coils. They are directly over the plugs on the engine. You have to remove 4 or 5 bolts to access them.