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Honda CR-V General Discussions General discussions on the 3rd generation Honda CR-V.

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  #1  
Old 01-15-2010, 06:57 PM
Dalbery Dalbery is offline
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Default Changed my spark plugs today

So with 62,000 miles on my 2008 CRV I decided it was time to change my plugs.(yes I know the "factory" doesn't recommend changing them yet) I haven't read anything here about anyone doing this yet so I will go ahead and described this very quick and easy task.

Tools needed: 10mm socket, 5/8 spark plug socket, about 9" worth of extensions, and some anti-seize.

First you need to remove the plastic cover off the top of the head. This is held down by 4 10mm bolts. Once the cover is off you have 2 10mm bolts holding down 2 out of the 4 coil on plug (cop) coils. remove these 2 bolts. Now take one of the cop's and pull it straight up half way out of the cylinder. You will need to unplug it from the wiring harness then remove it all the way and set it aside. Now your ready to remove your spark plug. Repeat 3 more times and then reverse.

Observations:

Steel and aluminum do not play well together. These dissimilar metal can corroder and erode each other when in contact. (this is one of the reasons ford triton 5.4 and 6.8 engines blow spark plugs out of the heads, don't ask me how I know this fact) So I highly recommend using antiseize when you re-install the spark plugs.

My CRV came factory with Nippon Denso Iridium plugs. These plugs looked really good for having this many miles on them. By far the best factory plug I have seen. I would have felt comfortable running these for another 10-20k miles. I replaced them with NGK iridium plugs.

This job took less than 20 minutes start to end and that included finding all the tools, taking pictures,and putting all the tools away.

I hope this helps or enlightens some of you.
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  #2  
Old 01-16-2010, 07:21 PM
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crv4wd crv4wd is offline
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Nice job and thank you for sharing
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Old 01-22-2010, 10:09 PM
Dalbery Dalbery is offline
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****UPDATE****
So I have put on 600+ miles since I've changed my plugs. Driving the same places I always do and I can say that I've gained almost 2 mpg. Normally my CRV drops from 26+ mpg in the summer to 24mpg in the winter. This winter has been the same until the plug change. Now I'm back up to 26+. My CRV does idle noticeably smoother after the change as well. I don't know if changing the plugs from ND to NGK made the difference or if my old plugs were just getting weak.
I will moniter and post mpg after another 600 miles.
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Old 01-23-2010, 08:21 AM
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chiph chiph is offline
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Good choice on the NGKs. The CR-V does not like Bosch plugs.

Chip H.
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Old 02-03-2010, 07:33 AM
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AudioQuest AudioQuest is offline
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Technically speaking, Iridium plugs can easily go 160,000kms (100,000mi) without any issues whatsoever. You could have probably got away with a light cleaning and gap check on your original Densos. I've owned many cars with all sorts of different spark plugs and unless they were completely worn, I have never noticed any performance or fuel economy gains from changing plugs. My favorite spark plug is plain old NGK V-groove copper. Cheap and reliable.

Last edited by AudioQuest; 02-03-2010 at 07:35 AM.
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Old 02-07-2010, 12:56 PM
eelnod eelnod is offline
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I am also along with AudioQuest. My 02 Accord came with Iridium plugs and I have yet need to change them. So, you can probably save the old plugs and use them 160K km from now. BTW where is the best place to buy the plugs?
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Old 02-08-2010, 09:02 AM
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blueiedgod blueiedgod is offline
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Quote:
Originally Posted by eelnod View Post
BTW where is the best place to buy the plugs?
Probably Amazon. I got mine from Advance Auto, but I had a $20 off coupon. NGK Irridium plugs there are $10 a pop.
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Old 02-09-2010, 06:34 AM
themadhatter themadhatter is offline
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what did you gap the new plugs to?
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Old 02-09-2010, 08:59 AM
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blueiedgod blueiedgod is offline
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Originally Posted by themadhatter View Post
what did you gap the new plugs to?
You can't gap neither Irridium nor Platinum plugs. They come pre-gapped and can not be re-gapped.

Edit: I believe the factory gap is 0.044"
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Old 02-09-2010, 04:03 PM
themadhatter themadhatter is offline
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Quote:
Originally Posted by blueiedgod View Post
You can't gap neither Irridium nor Platinum plugs. They come pre-gapped and can not be re-gapped.

Edit: I believe the factory gap is 0.044"
wow, I didn't know this.

All of my other cars use copper plugs (ngk also) but this is a performance issue for them, not a durability or economy ($$$) issue. I have never used iridium or platinum plugs in those cars. thank you very much for the info.
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