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2015 Subaru Impreza Spark Plug Socket Size Guide

    2015 Subaru Impreza Spark Plug Socket Size

    Overview

    The spark plugs in your 2015 Subaru Impreza play a crucial role in the ignition process of your engine. Over time, these spark plugs may wear out and need to be replaced. When replacing the spark plugs, it is important to use the correct socket size to ensure a proper fit and prevent any damage to the spark plugs or the surrounding components. In this article, we will discuss the recommended spark plug socket size for the 2015 Subaru Impreza.

    Spark Plug Socket Size Chart

    To make it easier for you to find the correct spark plug socket size for your 2015 Subaru Impreza, here is a handy chart:

    Engine Type Spark Plug Socket Size
    2.0L H4 5/8 inch (16mm)
    2.5L H4 5/8 inch (16mm)

    Steps to Replace Spark Plugs

    If you need to replace the spark plugs in your 2015 Subaru Impreza, here are the steps to follow:

    1. Make sure the engine is cool before starting any work.
    2. Locate the spark plug wires or ignition coil packs on top of the engine.
    3. Remove the spark plug wires or ignition coil packs by gently pulling them straight up.
    4. Using the appropriate spark plug socket size from the chart above, attach it to a ratchet or extension.
    5. Insert the spark plug socket into the spark plug well and carefully loosen the spark plug by turning it counterclockwise.
    6. Once the spark plug is loose, remove it from the well and inspect it for any signs of damage or wear.
    7. If necessary, gap the new spark plug to the manufacturer’s specifications using a spark plug gap tool.
    8. Insert the new spark plug into the spark plug well and hand-tighten it clockwise until it is snug.
    9. Using the spark plug socket and ratchet or extension, tighten the spark plug an additional 1/16 to 1/8 of a turn.
    10. Repeat these steps for each spark plug.
    11. Reinstall the spark plug wires or ignition coil packs by firmly pushing them back into place.

    Conclusion

    Knowing the correct spark plug socket size for your 2015 Subaru Impreza is essential when it comes to replacing the spark plugs. By following the steps outlined in this article and using the recommended socket size, you can ensure a smooth and successful spark plug replacement process. Remember to always consult your vehicle’s manual or a trusted mechanic if you have any doubts or questions.