Download 1. Make sure the engine is cool and the vehicle is on level ground. Set the parking brake. If you have an original equipment radio with anti-theft protection, make sure to write down the code before disconnecting the battery. After installation, you will need this code to restore radio operation. It is recommended to clean the valve cover, as well as the area surrounding the valve cover, to avoid getting dirt or debris into the engine. Disconnect the negative cable from the battery. 2. Disconnect the PCV hose and ground wire from the valve cover. Using a 10mm socket, remove the four cap nuts holding the spark plug wire cover. Remove the spark plug wire cover and remove the spark plug wire boots from the spark plugs. Using a 5/8″ spark plug socket, remove the spark plugs. This will make turning the engine over in step 5 easier. Using a 10mm socket, remove the remaining eight nuts and washers holding the valve cover, and carefully lift off the valve cover. (Note: Inspect the valve cover gasket and rubber seals surrounding the spark plug holes. If they are in good condition, they may be re-used). Set the cover, gasket, and seals aside.