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Home » 1999 Honda Accord 4 Cyl Spark Plug Socket Size Guide

1999 Honda Accord 4 Cyl Spark Plug Socket Size Guide

    1999 Honda Accord 4 Cyl Spark Plug Socket Size

    If you own a 1999 Honda Accord with a 4-cylinder engine and need to change the spark plugs, it’s important to know the correct socket size to use. Using the wrong size socket can damage the spark plug and make the replacement process more difficult. In this article, we will provide you with the spark plug socket size for a 1999 Honda Accord 4-cylinder.

    Spark Plug Socket Size Chart

    Engine Type Socket Size
    4-Cylinder 5/8 inch (16mm)

    As shown in the chart above, the spark plug socket size for a 1999 Honda Accord with a 4-cylinder engine is 5/8 inch or 16mm. It’s important to use a socket of the correct size to ensure a proper fit and avoid damaging the spark plug during removal or installation.

    Steps to Change Spark Plugs in a 1999 Honda Accord 4-Cylinder

    1. Start by gathering the necessary tools and materials, including a spark plug socket, ratchet wrench, extension bar, spark plug gap tool, and new spark plugs.
    2. Locate the spark plug wires on top of the engine. There will be four wires, each connected to a spark plug.
    3. Remove one spark plug wire at a time by firmly grasping the boot and pulling it straight off the spark plug. Avoid pulling on the wire itself, as it may damage the connection.
    4. Once the spark plug wire is removed, use the spark plug socket, ratchet wrench, and extension bar to loosen and remove the old spark plug. Turn it counterclockwise until it is loose enough to be removed by hand.
    5. Inspect the old spark plug for signs of wear or damage. If necessary, use a spark plug gap tool to adjust the gap on the new spark plug to match the manufacturer’s specifications.
    6. Insert the new spark plug into the socket and carefully thread it into the spark plug hole by hand. Once it is hand-tight, use the spark plug socket, ratchet wrench, and extension bar to tighten it further. Be careful not to overtighten, as this can damage the spark plug or the engine.
    7. Repeat steps 3-6 for each spark plug, working on one at a time to avoid mixing up the wires.
    8. Once all the spark plugs are replaced, reattach the spark plug wires by firmly pushing the boots onto the spark plugs until they click into place.
    9. Start the engine and listen for any abnormal noises or misfires. If everything sounds and feels normal, you have successfully changed the spark plugs in your 1999 Honda Accord 4-cylinder.

    Changing the spark plugs in your 1999 Honda Accord 4-cylinder can help maintain its performance and fuel efficiency. By using the correct spark plug socket size and following the steps outlined above, you can easily complete this maintenance task and keep your Accord running smoothly.