1. Disconnect car battery. 2.Pull out the spark plugs wires. 3. You will need a 5/8 socket, extension and ratchet to remove the spark plugs. 4. Remove #1 spark plugs. 5.Repeat the above steps for spark plugs #2, #3 and #4. 6.Reinstall new spark plugs wires. …

1996-2001 Nissan Altima Spark Plugs Replacement Procedure Read more »

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