How To Change Spark Plugs On 2013 Honda Accord

Replacing spark plugs is a good idea if you are experiencing rough idling or misfires. It's is besides recommended to change plugs every 30,000 miles. Follow this moving-picture show guide for step-by-step instructions for replacing the spark plugs in your 2002-2007 Honda Accord.

Note: PracticalMechanic.com is reader-supported. If you buy through links on our site, nosotros may earn an affiliate commission – at no price to you. Cheers for your support!

Tools and Materials Needed:

Spark Plugs
Dielectric Grease
Anti-seize Thread Handling
x mm wrench
5/viii" spark plugs socket (magnetic – makes job a lot easier!)
Socket extension
Socket wrench
Torque wrench
Gear up of four Ignition Coil Boots (Optional)

Footstep-By-Step Instructions

Start with the engine cold.

The starting time stride is to pop the hood and prop it up. I'll often spread a rag over part of the engine bay to set tools and parts. Apply your preferred method.

Use a ten mm socket wrench to remove the four nuts holding downwardly the spark plug cover.

So remove the plastic embrace.

This will betrayal the spark plug boots. Remove the 10mm bolts property those down.

Press the tabs on the sides of the plastic connectors, to remove the wires from each ignition coil boot.

So, carefully grasp the boot and pull information technology upward, unseating it from the spark plug. You volition probable hear a suction sounds as the connectors comes loose from the top of the spark plug, this is normal.

If the ignition coil kicking is damaged, or replacing the spark plugs doesn't fix your crude idle or misfiring, consider replacing these ignition coils. Here is the link for the right parts (gear up of iv).

Now you will be able to see down into the diameter, where the elevation of the old spark plug is. Use a five/8″ spark plug socket and an extension on your socket wrench.

Update: This tool will make it a lot easier. Instead of duct tape and the erstwhile prophylactic boot (that never seems to work) this one uses a magnet – a no-brainer – to hold the spark plug in identify!

Slide this down into the bore and become it seated onto the old spark plug. Turn counter clockwise to loosen and remove the old plug. Exist very careful not to drop annihilation down into the hole. Sand blowing around, for case, would be very bad for your engine, then take care and cover the holes with a rag, if necessary.

Once the old plugs are removed, inspect them. Things that betoken the plugs should be replaced include, carbon buildup, too large gap, corrosion, damage of some sort, etc…

Spark plugs, even proficient ones, are so cheap that even if y'all don't find annihilation obviously wrong with them, you may as well alter them if you have gotten to this betoken. But if you're short on money at the moment, just brand sure there are no obvious problems.

Here is a picture show of the one-time and new spark plug side past side, for reference.

You are at present ready to put in the new plugs. I've always gone with the Denso plugs and they've worked bang-up for me. The gap is already ready, so yous don't take to adjust information technology.

If you lot really want to do this right, put some dielectric grease on the ceramic parts of the new plugs to reduce the run a risk of moisture interfering with the connection. Don't go information technology anywhere nigh the gap.

Also, put some anti-seize in the threads besides. This will make your life easier the side by side time y'all do this, and it will make it less probable that you strip the threads in the bore. You Practise NOT want to strip or cantankerous thread the threads in the bore!

Also, the spark plugs come with a crush gasket. This is intentional, get out these on. They set the correct distance into the cylinder and assure a proper fit.

Now, apply a torque wrench (this is the torque wrench I use), extension, and five/8" spark plug socket to put in the new plugs.

Torque the plugs to 13 ft-lbs. (If you don't have a torque wrench, follow the instructions on the box, it will commonly tell you to tighten by hand, then another 1/two plow it so.)

Put the boots back on each plug and printing down on them firmly so that they seat nicely in the acme of the plug.

Put the ten mm bolts back in to hold the boots in identify, then re-adhere the plastic wire connectors. Just press those in, and they will click into place.

Now put the plastic encompass back on and tighten upwards the 4 x mm nuts that hold the comprehend downwardly.

That most wraps it up. Cheers for visiting, and I hope y'all plant this helpful!

For more data on 7th generation (2002-2007) Honda Accord maintenance, check out these articles:

Maintenance Articles on 2002-2007 Honda Accords