What size socket for Subaru spark plugs?
When it comes to maintaining your Subaru, replacing spark plugs is a crucial task that ensures your engine runs smoothly and efficiently. One of the most common questions Subaru owners ask is: "What size socket do I need for my spark plugs?" In this article, we’ll break down the answer and provide some helpful tips for tackling this maintenance task.
Understanding Spark Plug Socket Sizes
Spark plugs are a critical component of your vehicle's ignition system, and they require a specific socket size for removal and installation. For most Subaru models, the correct socket size for spark plugs is 14mm. This size is standard for many modern Subaru engines, including popular models like the Subaru Outback, Forester, and Impreza.
It’s important to note that spark plug sockets are slightly different from regular sockets. They are designed with a rubber or foam insert to protect the ceramic insulator of the spark plug during removal and installation.
Steps to Replace Subaru Spark Plugs
Replacing spark plugs can be a straightforward process if you have the right tools and follow the proper steps. Here’s a quick guide:
- Step 1: Gather your tools. You’ll need a 14mm spark plug socket, a ratchet, an extension bar, and a torque wrench.
- Step 2: Locate the spark plugs. In most Subaru models, they are positioned on the sides of the engine block.
- Step 3: Remove the ignition coil or spark plug wire to access the spark plug.
- Step 4: Use the 14mm spark plug socket and ratchet to carefully remove the old spark plug.
- Step 5: Inspect the old spark plug for wear and tear, which can indicate engine health.
- Step 6: Install the new spark plug by threading it in by hand first, then tightening it with the torque wrench to the manufacturer’s specifications.
- Step 7: Reattach the ignition coil or spark plug wire, and repeat the process for the remaining spark plugs.
Tips for a Smooth Spark Plug Replacement
Here are some additional tips to make your spark plug replacement process easier:
- Always work on a cool engine to avoid burns and ensure the spark plugs come out easily.
- Use anti-seize compound on the threads of the new spark plugs to prevent them from sticking in the future.
- Double-check the gap on the new spark plugs using a gap gauge to ensure they meet Subaru’s specifications.
- Keep track of the torque specifications for your specific Subaru model to avoid over-tightening or under-tightening the spark plugs.
Conclusion
Using the correct 14mm spark plug socket is essential for maintaining your Subaru’s performance and longevity. With the right tools and a bit of patience, replacing spark plugs can be a rewarding DIY task. If you’re ever unsure or need professional assistance, don’t hesitate to reach out to a trusted auto repair shop like Kevin’s Autos for expert help!
Frequently Asked Questions
What size spark plugs for 2001 Subaru Outback?
NGK PLFR6A-11.
How to remove a Subaru spark plug?
Start by inserting your spark plug socket in the plug tube by itself, then follow it with a three inch ratchet extension. This should allow you to get your ratchet on and break the plug loose. At this point you can back the plug out with the ratchet, or take the ratchet off and turn the extension with your fingers.
Are spark plugs hard to change on a Subaru?
Replacing spark plugs is something you can do at home within an hour as long as you have the following tools: Appropriately sized spark plug socket. 8-10mm sockets. Ratchet and extensions.
What size spark plugs for 2005 Subaru Outback?
This Fits Your 2005 Subaru Outback. NGK:SILFR6A.
What size socket is a Subaru?
To remove and install Subaru lug nuts, you'll need a 19mm socket. This fits the standard 12mm x 1.25 nuts. So the common socket sizes are: 12×1.25mm lug nuts: 19mm socket.
What size socket fits on 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. 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.
Do I need a special socket for spark plugs?
Though you can technically use any socket of the right size, we recommend using the kind specifically made to pair with spark plugs. These special sockets contain rubber isolators inside intended to absorb any possible vibration within and protect the glass featured along the spark plug.
What socket size are Subaru spark plugs?
5. Remove The Spark Plugs. With a 14mm spark plug socket and short extension, remove the spark plugs.
Is there a special socket to remove spark plugs?
Though you can technically use any socket of the right size, we recommend using the kind specifically made to pair with spark plugs. These special sockets contain rubber isolators inside intended to absorb any possible vibration within and protect the glass featured along the spark plug.
What size is a 14mm spark plug socket?
Size: 14mm Bi-Hex (12pt) x 3/8"D x 65mm long. Outside diameter: 17.88mm; inside depth: 61.7mm. Thin walled socket for use on modern engines with limited plug clearance.
