What tools do you need to change spark plugs on a Subaru?

Tools Needed to Change Spark Plugs on a Subaru
To change spark plugs on a Subaru, you will need the following tools:
– Appropriately sized spark plug socket
– 8-10mm sockets
– Ratchet and extensions
– 10mm wrench
– Floor jack and a piece of wood (optional)
Additionally, for Subaru spark plugs, finding the right combination of extensions of various lengths, wobble adapters, and problem-solving tools can be helpful. It’s also recommended to use OEM NGK spark plugs for Subaru models.
When replacing spark plugs, it’s important to have the right tools to change them effectively. This includes a socket wrench with an extension and a spark plug socket, as well as a universal joint if the spark plugs are difficult to reach. It’s also crucial to use a torque wrench to avoid over-tightening the plugs and causing damage.

How often should Subaru spark plugs be changed?

every 60,000 miles
Modern SUBARU BOXER® engines require improved spark plugs made with material like platinum. This means you’ll only have to worry about changing them every 60,000 miles or so.

How do you change spark plugs on a Subaru?

For Subarus with ignition coils, carefully remove the retaining bolts or screws securing the coils in place and disconnect the electrical connectors. Using a ratchet or spark plug socket, loosen and remove the old spark plugs from the cylinder head. Turn the socket counterclockwise to unscrew the spark plugs.

What size socket for Subaru spark plugs?

Remove The Spark Plugs
With a 14mm spark plug socket and short extension, remove the spark plugs.

What are the symptoms of bad spark plugs?

The most common signs of bad spark plugs include start-up trouble, rough idling, sluggish acceleration, declining fuel economy, engine misfiring, and engine knocking.

What tool do I need to change spark plugs?

The Tools Needed To Change Spark Plugs

• Your vehicle’s owner’s manual.
• A spark plug socket.
• A wobble socket.
• Spark plug boot puller pliers.
• A flexible handle ratchet.
• A torque wrench.
• A spark plug gap gauge.

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.

Do spark plugs need a special tool?

The most important tool is a socket wrench with an extension and a spark plug socket. Spark plug sockets come in two sizes: 5/8 inches and 13/16 inches. Most spark plug sockets have a rubber insert that holds the plug snugly in place. You may also need a universal joint if your spark plugs are difficult to reach.

How do I know if spark plugs need replacing?

Here are seven signs that are telling you that you need spark plug replacement on your vehicle.

1. Your Vehicle is Difficult to Start.
2. Your Engine is Misfiring.
3. You Have Poor Fuel Economy.
4. Your Engine Idles Rough.
5. Your Car Doesn’t Accelerate Easily.
6. Your Engine is Loud.
7. Your “Check Engine” Light Comes On.

Why are Subaru spark plugs so expensive?

Because of the cost of iridium, the electrode is thinner, but they still deliver better power, better combustion and longer life than other plugs.

Is it OK to change spark plugs yourself?

If you’re not comfortable with that, take your vehicle to a pro. But if your engine affords easy access to the rear bank, you can probably do the job yourself. Just be sure you gap the spark plugs properly and use a torque wrench. The tools shown are available at online suppliers and auto parts stores.