What tools do you need to change spark plugs in a WRX?
Changing spark plugs in your Subaru WRX is a crucial maintenance task that can significantly enhance your vehicle's performance. Whether you're a seasoned mechanic or a DIY enthusiast, having the right tools is essential for a successful spark plug replacement. In this article, we'll outline the necessary tools you'll need to get the job done efficiently.
Required Tools
Before you start, make sure you have the following tools on hand:
- Socket Wrench Set: A 10mm socket is typically required to remove the ignition coil bolts.
- Spark Plug Socket: A 5/8-inch spark plug socket is essential for safely removing and installing the spark plugs.
- Torque Wrench: This tool ensures that the spark plugs are tightened to the manufacturer's specifications, preventing damage.
- Extension Bar: An extension bar can help reach the spark plugs more easily, especially in tight spaces.
- Ratchet: A ratchet will make it easier to turn the socket wrench without having to reposition it frequently.
- Gap Tool: This tool is used to measure and adjust the gap on the new spark plugs to ensure optimal performance.
- Anti-Seize Compound: Applying this compound to the threads of the spark plugs can help prevent them from seizing in the cylinder head.
- Dielectric Grease: This is useful for the ignition coil boots to ensure a good electrical connection and prevent moisture intrusion.
Steps to Change Spark Plugs
Once you have gathered your tools, follow these steps to change the spark plugs in your WRX:
- Ensure the engine is cool to avoid burns.
- Disconnect the negative battery terminal to prevent electrical shorts.
- Remove the engine cover if applicable.
- Unplug the ignition coils and remove the bolts using the socket wrench.
- Carefully pull out the ignition coils.
- Use the spark plug socket to remove the old spark plugs.
- Check the gap on the new spark plugs and adjust if necessary.
- Apply anti-seize compound to the threads of the new spark plugs.
- Install the new spark plugs and tighten them to the specified torque.
- Reinstall the ignition coils and reconnect the battery.
Conclusion
Changing spark plugs in your WRX can be a straightforward task if you have the right tools and follow the proper steps. Regular maintenance not only improves your vehicle's performance but also extends its lifespan. If you're ever in doubt, don't hesitate to consult a professional mechanic for assistance.
Frequently Asked Questions
How much to replace spark plugs on wrx?
| Car | Service | Shop/Dealer Price |
|---|---|---|
| 2021 Subaru WRXH4-2.0L Turbo | Service typeSpark Plug Replacement | Shop/Dealer Price$635.47 - $798.52 |
| 2014 Subaru WRXH4-2.5L Turbo | Service typeSpark Plug Replacement | Shop/Dealer Price$674.80 - $887.59 |
| 2020 Subaru WRXH4-2.0L Turbo | Service typeSpark Plug Replacement | Shop/Dealer Price$635.12 - $797.90 |
Is it okay to change spark plugs yourself?
Can I replace spark plugs myself, or should I go to a mechanic? For most DIYers, changing the spark plugs can be done at home with common tools. But for some complex modern cars, it's best to trust in the skills of a trained mechanic.
What size socket for wrx spark plug?
Section. Between the two electrodes. And start rotating it through the thicker sections until it stops once it stops you just check the number at the top.
What size socket do I need for spark plugs?
What size socket do I need to change out spark plugs? For the majority of plugs, you need a 5/8” or 16mm socket. Some Fords use 9/16″ plugs, some newer European and Asian vehicles use 14mm plugs, and there are a few applications that use 7/8″, 13/16″, ¾” or 18mm plugs.
Is it easy to replace Subaru spark plugs?
It's not hard. I got mine done in about an hour and a half, never done a boxer before. You just need a good thin walled spark plug socket, a few extensions of different lengths, a couple swivel joints and some patience. Take your time, go slow and you'll get there!
Can I replace spark plugs myself?
Can I replace spark plugs myself, or should I go to a mechanic? For most DIYers, changing the spark plugs can be done at home with common tools. But for some complex modern cars, it's best to trust in the skills of a trained mechanic.
What size socket for Subaru spark plugs?
5. Remove The Spark Plugs. With a 14mm spark plug socket and short extension, remove the spark plugs.
What size is a WRX spark plug?
NGK Laser Iridium Spark Plug 96024
Gap 0.024". Quantity per car: 4.
What tool do I need to replace spark plugs?
A spark plug socket is designed to fit on the head of most spark plugs for quick removal and secure placement. Most spark plug sockets attach well to a 3/8 ratchet to loosen the old plugs from their housing. A spark plug gap gauge measures pre-gapped spark plugs.
What size socket do I need for a spark plug?
What size socket do I need to change out spark plugs? For the majority of plugs, you need a 5/8” or 16mm socket.
