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How to Replace Spark Plugs 05-11 Honda Civic

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How to Replace Spark Plugs 05-11 Honda Civic

Created on: 2017-11-17

How to repair, install, fix, change or replace rusted, corroded, or stuck spark plugs on 06, 07, 08, 09, 10, 11 Honda Civic.

  1. step 1 :Removing the Ignition Coil
    • Disconnect the ignition coil electrical connector
    • Remove the 10mm nut from the ignition coil stud
    • Pull the ignition coil out of the engine
  2. step 2 :Removing the Spark Plug
    • Check that the spark plug opening is clean
    • Remove the spark plug with a spark plug socket, ratchet, and extension
  3. step 3 :Installing the Spark Plug
    • Put the spark plug into a spark plug socket
    • Thread the spark plug into the cylinder by hand
    • Torque the spark plug to 18 foot-pounds
  4. step 4 :Installing the Ignition Coil
    • Push the ignition coil into the engine
    • Start the 10mm nut onto the ignition coil stud by hand
    • Connect the ignition coil electrical connector
    • Tighten the 10mm nut to 8.7 foot-pounds

Tools needed for replacement

  • Ratchets & Related

    Socket Extensions

    Torque Wrench

    Ratchet

  • Sockets - Metric

    10mm Socket

  • Sockets - SAE

    5/8 Inch Spark Plug Socket

Installation Video
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Hi. I'm Mike from 1AAuto. We've been selling auto parts for over 30 years!

To get to your spark plugs you need to remove these four ignition coils. You've got four because this is a four cylinder engine. They are all situated right here on top of the engine. To do one of these, it will be identical for the other three.

I’m going to start by unplugging it, so you push the lock in, pull this out. You might have to take two hands and just pull it off. Put that aside. Take a 10 mm socket and ratchet. Loosen the nut that's holding this on. Be careful not to drop them, because they are very small and they're painted black so they're hard to see. Luckily, this one fell on top of the alternator, so we're good.

Now I'm just going to reach under here and work the coil out. I have to break the little seal that's in there. That's your coil.

Located down here is your spark plug; before you replace it, you just want to make sure that this opening is nice and clean down there, there's no debris that's going to fall in your cylinder. You also want to inspect there's no oil in there or anything. If there's oil leaking in there you might have another problem. This looks nice and dry and clean, so I can use the spark plug socket and remove the spark plug.

I'm using a 5/8” spark plug socket, it actually has a rubber grommet on the inside to grab onto the porcelain part of the spark plug, that helps remove it so the spark plug stays in the socket, and it will help when installing it. Put that down into the opening. It starts to come loose. We'll just thread it out, and we have our spark plug. This one looks like it's in excellent condition so we're going to reuse it. We just wanted to show you how to remove it, but you can see with that little rubber grommet in there it's actually kind of hard to get the spark plug out. That's what holds it in there so when you go to install it, it doesn't fall out.

We'll reinstall this now. You always want to thread them in by hand first because they are going into an aluminum head, you don't want to cross thread them. We'll get our torque wrench and we'll torque them to 18 foot-pounds. So this procedure will be the same for your other three spark plugs. We’ve got our torque wrench set to 18 foot-pounds. There we go.

Since this coil was working just fine, we're going to reinstall it. Push it right into the opening. Line it up with that stud that's there. I'll just push it right down. I'll slide over the electrode of the spark plug, and then I'll reinstall the nut that's holding it on. Plug it in. These are just 8.7 foot-pounds, so like 9 foot-pounds, which is really just hand tight. Just give them a little snug like that and it's all set.

Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.

Tools needed for replacement:

    Ratchets & Related

  • Socket Extensions
  • Torque Wrench
  • Ratchet

  • Sockets - Metric

  • 10mm Socket

  • Sockets - SAE

  • 5/8 Inch Spark Plug Socket

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