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Subaru Forester Spark Plug Socket Size Guide

    Spark Plug Socket Size for Subaru Forester

    Overview

    When it comes to maintaining your Subaru Forester, one important task is changing the spark plugs. To successfully replace the spark plugs, you’ll need the right tools, including a spark plug socket. In this article, we will discuss the spark plug socket size required for the Subaru Forester.

    Spark Plug Socket Size Chart

    To make it easier for you to find the correct spark plug socket size for your Subaru Forester, refer to the following chart:

    Year Engine Spark Plug Socket Size
    2009 – 2013 2.5L H4 5/8″ (16mm)
    2014 – 2018 2.5L H4 14mm
    2019 – Present 2.5L H4 12mm

    Steps to Change Spark Plugs in a Subaru Forester

    If you’re ready to change the spark plugs in your Subaru Forester, follow these steps:

    1. Ensure the engine is cool before starting.
    2. Open the hood and locate the spark plug wires or ignition coils.
    3. Remove the spark plug wire or ignition coil from the first spark plug by gently pulling it straight off.
    4. Using the appropriate spark plug socket and a ratchet or extension, loosen and remove the old spark plug by turning it counterclockwise.
    5. Inspect the spark plug for any signs of damage or wear. If necessary, replace it with a new one of the same size and type.
    6. Apply a small amount of anti-seize compound to the threads of the new spark plug to prevent it from seizing in the future.
    7. Insert the new spark plug into the socket and carefully thread it into the spark plug hole by hand. Once hand-tight, use the spark plug socket and ratchet to tighten it further, but avoid overtightening.
    8. Reattach the spark plug wire or ignition coil to the spark plug.
    9. Repeat the above steps for each spark plug, one at a time, until all have been replaced.
    10. Close the hood and start the engine to ensure everything is working properly.

    Conclusion

    Knowing the correct spark plug socket size for your Subaru Forester is essential for a successful spark plug replacement. By referring to the chart provided and following the steps outlined, you can confidently maintain your vehicle’s spark plugs and keep your Subaru Forester running smoothly.