- 1). Open the hood and locate the small screws or nuts that hold the center metal cap or cover to the valve cover on top of the engine. These screws will be positioned around the outside of the cover.
- 2). Unscrew the screws, if your engine uses screws, with Phillips-head screwdriver. Most engines use small (10mm) nuts that are domed or rounded on top. Unbolt these with a socket wrench and set them aside.
- 3). Pull the center cover up and off the engine's valve cover and set it aside. Now you can access the spark plug wires underneath the cover.
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