2004 WRX Spark Plug Socket Size
Overview
If you own a 2004 Subaru WRX and are looking to change the spark plugs yourself, it’s important to know the correct socket size to use. Using the wrong size socket can lead to damage to the spark plug or the socket itself. In this article, we will provide you with the spark plug socket size for a 2004 WRX, along with some helpful tips for a successful spark plug replacement.
Spark Plug Socket Size Chart
To make it easier for you to find the correct spark plug socket size for your 2004 WRX, here is a handy chart:
| Spark Plug Socket Size | Equivalent Metric Size |
|---|---|
| 5/8 inch | 16mm |
Steps to Replace Spark Plugs
Now that you know the correct spark plug socket size, here are the steps to replace the spark plugs in your 2004 WRX:
- Start by ensuring that the engine is cool to avoid any burns.
- Open the hood and locate the spark plug wires or ignition coil packs, depending on your specific model.
- Remove the spark plug wire or ignition coil pack from the first spark plug by gently pulling it straight out. Be careful not to damage the wire or connector.
- Using the appropriate spark plug socket and a ratchet or extension, loosen and remove the old spark plug by turning it counterclockwise.
- Inspect the old spark plug for any signs of damage or wear. If necessary, consult your vehicle’s manual or a trusted mechanic for further guidance.
- Apply a small amount of anti-seize compound to the threads of the new spark plug to prevent seizing in the future.
- Insert the new spark plug into the socket and carefully thread it into the spark plug hole by hand. Make sure not to cross-thread it.
- Tighten the spark plug using the spark plug socket and ratchet, turning it clockwise. Be careful not to overtighten, as this can damage the spark plug or the engine.
- Reattach the spark plug wire or ignition coil pack to the spark plug.
- Repeat the above steps for each spark plug, one at a time, until all of them have been replaced.
Final Thoughts
Changing the spark plugs in your 2004 WRX can help maintain its performance and fuel efficiency. By using the correct spark plug socket size and following the steps outlined in this article, you can confidently replace the spark plugs yourself. Remember to consult your vehicle’s manual or seek professional assistance if you encounter any difficulties or have any concerns. Happy wrenching!