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Really sucks to hear folks having a cracked block. I'm not defending Honda, but they did extend the warranty to 10 years and unlimited mileage. Being 2019, the last batch of 2009 Civics are being (should be) worked on. If you car is 2008 or older, you are out of luck. However, the bright side is that this block isn't affected after the 2010 model year, meaning you can get an engine at a yard (low mileage hopefully), a 2010 engine and have it installed for cheap. All engines (R18) from 06-11 are compatible supposedly. I live in PA and can (in theory) buy an engine for about $2-3K and have it installed for about half that. So, $3-4K for a trouble free car isn't too bad. Having this done through the dealership is insane. We all know how much they charge (gouge) customers, so forget that idea. I've managed to get 278,000 miles out of mine so far. The car is in very good shape, I'm actually entertaining the idea of just replacing the engine as mentioned keep driving it if the block starts to leak. I figure, I got about 300K out of mine, I'll be happy with that.

I wish everyone luck on this.

Here is a link with info on the recall

 

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I always thought a weld could fix it, but what do I know. JB weld sounds (to many of us) like applying bubble gum to a crack, but if it works, it isn't stupid. Thanks for sharing, very interesting points. Let us know any updates on your repair. My rig has 284K on the clock and haven't had any coolant/radiator/crackedblock problems.
 

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Add me to the list

2007 EX with 155000 on it. I'm the only owner and it's a daily driver - and driven responsibly

I diagnosed it by reading and finding the four spots where leaks form, and noticing fluid on the front of the engine to the left of the exhaust manifold. With the car running, I blew compressed air on the area and completely cleaned it, then watched as the fluid came back. I also looked underneath, but it's never easy to see the source of a leak because a liquid runs over various surfaces and doesn't just drip down, so from under the vehicle, the best I could say was that it was somewhere on the front of the block

The good news is that I've found a place in Dallas (Garland really) that brings in used JDM motors and has some pretty good reviews. They want $800 for the engine and $600 for the swap. I think that's a good investment for what's otherwise a very clean and mostly problem free vehicle. I'd post the name, but am not sure what the policy is on this site. Perhaps someone can let me know.

A few final points:

- I thought about the JB Weld fix, and while it might be a temporary way out, there are four potential places for the cracks to form and two of them are on the back, so even if you find and fix one, and it holds a second might open up

- As for the comments that said caveat emptor, perhaps information about this problem is "readily available" on the internet, but then again (as others have pointed out) I bought mine in 2007, so that comment has no bearing on my situation nor, I'd suggest, on the situation of many others

- I added my name to the list of vehicle complaints at NHTSA, in case it had any beneficial effect.

- Finally one of the pics I saw when researching this was almost identical with one I had taken of the underside of my vehicle. It was sort of funny to see the similarity, but good confirmation that I was on the right track

Good luck to those who follow in my footsteps

Oh, and the next vehicle will be a Tesla, not a Honda
JDM motor? How many miles on it? Will it be compatible with our R18s (computer)? Anyway, if so, great price.

For those reading this, realize that Honda remedied this problem from 2010 on (can't remember if that is 100% correct), so look for engines of this year or newer. They are "plug and play" (a block from a 2010 will work on a 2006). Honda messed up, but statistically speaking, it's not a widespread problem. If JD weld works for a couple or several years, then awesome. If not, find a block that is not affected and find someone who can do it for cheap. This isn't an option for most people as they figure it's not worth it. To each their own.

My next vehicle will be a Honda.
 

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Hi all

I've just joined the club of pissed off Civic owners yesterday! I'm in Canada, my 2008 Civic was diagnosed with the engine crack by a Honda dealership, it only has 112K on it!
Honda isn't going to do anything. They covered this defect years ago and the (extended) warranty on your particular car has run out. You can try to get them to fix it, but I wouldn't bet any money. Realize the car is now 12 years old. I would go after the dealer who sold it to you. Talk to a lawyer and you will more than likely go into some settlement. You didn't know about this defect, THEY (dealer) did.
Good luck
 

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JDM R18’s are completely compatible, if you read earlier posts several of us have swapped out for them because of the cracks. The Japanese castings didn’t have the same problems as the US blocks.
I never looked it up b/c it was never an issue with me, until I realized my block was affected. I'm close to 300K miles and so far, so good. But, when/if my block cracks, I'd like to know where to look on how to do this swap. I'll try to find and post a link.

Thanks for the info.
 

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I have a 2006 Civic with ......wait for it.......
Only 36k in it. Bought brand new. Drove a few miles a day. Garage kept and maintain religiously. Today I got a cracked engine block diagnosis. If this car had more miles on it the out of warranty pill would be a little easier to swallow. Called Honda but after reading these lost I don’t expect anything
Wow, what a shame. Your car is still a baby. I would check with some independent shops to see how they can help you. Apparently welding the block seems to hold up for a while. The alternative is to get an 2010 engine (cast correctly so it will never crack), but not sure how motivated you are and how much you are willing to spend. Still, good luck!
 

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On a 2011? Thats a rare breed. The only ones that crack are the ones from 2006-some 2009 model years. Are you sure it's just not a hose or a different leak somewhere?

If it did crack, is it the original engine that came from the factory? It could be possible that the previous owner blew up the original engine, and put a defective 2006-2009 one back in..........
My thoughts exactly, I'm not saying I don't believe him, but this is very rare and strange.
 
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