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You have to take coil packs off and then they are easier to get to. You will see the wires going to the plugs.
if it is a v8 it has 8 spark plugs if its a v6 it has 6 spark plugs and ect
Torque the spark plugs to 11 lb/ft.
How can I change the wiring and spark plugs on my 1996 Cadillac Sedan Deville Concours?
Under the throtlle body / upper intake manifold which needs to be removed to access the 3 spark plugs on the driver's side. The other 3 are on the passenger side of the engine.
How to Replace spark plugs on 2004 cadillac deville Sls with 4.6 v8 engine
two spark plugs are located to the right side of the engine and the other two spark plugs are located on the left side of the engine.
where are the sparkplugs on a 2002 cadillac deville and how to change them
Pull wire off the spark plug
spark plug replacement on a 93 Cadillac DeVille 4.9 liter
Disconnect the battery, remove the spark plug cables and boots, and remove the old spark plugs. Dispose of the old spark plugs, put in the new spark plugs, attach the spark plug cables and boots, and connect the battery.
Spark plugs are easy to change. One disconnects the batter and spark plug cables, and removes the old spark plugs. Next a person puts in the new spark plugs, then reconnects spark plug cables and the battery.