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Camaro V6 LFX Engine, Exhaust, and Bolt-Ons For all LFX related parts

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Old 06-22-2013, 12:02 AM   #1
Henry G.
 
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Heater core

So just wanted to tell my LFX buds here if you see your windshield fogging or smell coolant or a rubbery smell beware your heater core may be going out. Found out the hard way when boiling coolant came out on the passenger side floor on my wife's feet. Been a week now and the car is still not done at the dealer, they have to remove the windshield and pull the entire dash out of the front to replace it. Search here they are giving out at 1-2 years left and right
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Old 06-22-2013, 07:29 AM   #2
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This exact instance happened on my Malibu as well. Only had 56k miles on it and it was an 09'.
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Old 09-30-2013, 09:43 AM   #3
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It did it again. After a week in the dealer in June, its leaking coolant inside the car again and the smell is back. Here we go again.....
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Old 09-30-2013, 11:34 AM   #4
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I've heard far too many similar stories.

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Old 09-30-2013, 11:46 AM   #5
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has GM relisted a notice ? is this on 2012-2013 v6 only
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Old 09-30-2013, 11:53 AM   #6
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The possibility of heater core failure was a concern of mine. Sorry to hear that happened not only once, but 2 times!!?
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Old 09-30-2013, 05:38 PM   #7
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Waiting for return phone call from GM "district" service rep. No way the car is going back to the same dealer, they have screwed up all 3 of my chevys, idiots. Gave them a bad survey last time, they were calling within a couple days. Broken plastic parts and screws left inside car, 3 craftsman 1/4 sockets, multiple screws and clips, etc. Tried to return a dirty car to me after it was there 9 days outside, total morons.
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Old 10-31-2013, 09:18 AM   #8
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My baby is at the dealer right now for the exact same thing...
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Old 10-31-2013, 04:54 PM   #9
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would be nice if they still did the heater core like it was in my 88 Beretta, it sat in a pan with a drain so when the core went fluid leaked outside the car and not all over the inside.
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Old 11-01-2013, 01:20 AM   #10
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would be nice if they still did the heater core like it was in my 88 Beretta, it sat in a pan with a drain so when the core went fluid leaked outside the car and not all over the inside.
Common sense design is not so common now, right? I'm sure design has improved elsewhere, but that's a pretty good setup they used to have.
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Old 11-01-2013, 09:26 AM   #11
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Got mine back after 3 weeks, this dealer much better than last one. Car still has smell of coolant, cant seem to get rid of it, hopefully it will fade. If the 3rd one leaks I'm trading the car in and Chevy is gonna eat it.
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Old 11-01-2013, 11:38 AM   #12
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Common sense design is not so common now, right?
Not just design.

Common sense ain't so common.

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Old 11-02-2013, 08:21 AM   #13
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Looks like GM doesn't want you to work on your own car.
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Old 11-05-2013, 10:48 AM   #14
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So if I never use my heat will I stay immune to any possible heater core issues. Didn't realize this was a big issue....
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Old 11-05-2013, 10:54 AM   #15
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So if I never use my heat will I stay immune to any possible heater core issues. Didn't realize this was a big issue....
Doesn't matter if you use the heat or not, coolant is always flowing through it anyway.
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Old 11-05-2013, 11:17 AM   #16
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If you wanted to be immune from it, disconnect both heater hoses under the hood and loop them together. That would keep coolant from flowing through the heater core. Of course you'll completely disable the heat that way.

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Old 11-05-2013, 11:21 AM   #17
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Call me ignorant on the matter, but how does a heater core fail to the point that it leaks on the floor? What fails? A seal? The core itself? It's not a complicated part. I don't understand how it could be designed in such a way that it would fail in such a catastrophic manner.
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Old 11-05-2013, 07:13 PM   #18
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Not a seal; there are likely none, unless it's got welded on tanks on the ends of the core. The heater core is just another radiator, but smaller and inside your dash. The material used to make these must be crap, as it appears something is eating away the water passage from the inside causing them to fail. Until we get some pictures of failed cores we may never know if there's any pattern to the failures of if they are all random breaks.

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Old 11-16-2013, 02:39 AM   #19
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The dealer had no idea why they failed. The bad thing is I cant seem to get all the coolant smell to go away. Hoping it will eventually fade at least until the next heater core failure, at which point Chevy is getting their car back permanently.
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Old 07-25-2014, 06:16 PM   #20
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WELL here we are again. 3rd heater core failure in 13 months. Puked boiling hot coolant onto my wifes foot again this weekend burning her foot, AGAIN. The coolant smell coming thru the vents makes me feel sick.
GM customer care sucks. They are stonewalling me, giving me no help, telling me the car is out of warranty now (not true, the part was guaranteed for a year, it lasted 9 months, and the first failure happened at 34k, in the warranty period. GM customer care's job is just to keep telling you no no no and stonewall you into submission.
I've contacted a Lemon Law Firm for help. At least a quart of coolant has leaked into the carpet of the car again. I'm so pissed. The dealer is being cool, but Gm customer care sucks. Does anyone at GM want to get involved out there? This to me is a clear case that qualifies for the California Lemon law. Anyone else have heater core failures? I will start a social media campaign and even contact the local news channel "problem solver" guy if I don't start getting results.
GM customer care actually told me that I should just trade the car in (at my own expense) if I didn't like the car. WHAT F-ING NERVE!!!!

Here is a pic of the TSB number PIC5754A: http://s53.photobucket.com/user/nmin...6ea04.png.html



So Gm knows there is a problem....but they don't want to address it properly. Gee, isn't how all these people got killed in ignition switch accidents...ignoring dangerous and known problems with their vehicles?
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Last edited by Henry G.; 07-25-2014 at 06:40 PM.
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Old 07-28-2014, 05:26 PM   #21
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Quote:
Originally Posted by Henry G. View Post
WELL here we are again. 3rd heater core failure in 13 months. Puked boiling hot coolant onto my wifes foot again this weekend burning her foot, AGAIN. The coolant smell coming thru the vents makes me feel sick.
GM customer care sucks. They are stonewalling me, giving me no help, telling me the car is out of warranty now (not true, the part was guaranteed for a year, it lasted 9 months, and the first failure happened at 34k, in the warranty period. GM customer care's job is just to keep telling you no no no and stonewall you into submission.
I've contacted a Lemon Law Firm for help. At least a quart of coolant has leaked into the carpet of the car again. I'm so pissed. The dealer is being cool, but Gm customer care sucks. Does anyone at GM want to get involved out there? This to me is a clear case that qualifies for the California Lemon law. Anyone else have heater core failures? I will start a social media campaign and even contact the local news channel "problem solver" guy if I don't start getting results.
GM customer care actually told me that I should just trade the car in (at my own expense) if I didn't like the car. WHAT F-ING NERVE!!!!

So Gm knows there is a problem....but they don't want to address it properly. Gee, isn't how all these people got killed in ignition switch accidents...ignoring dangerous and known problems with their vehicles?
Henry G.,

I'm very sorry to read about your heater core concerns. My heartfelt apologies also extend to your wife, who I hope is recovering well from the recent incident you described. What I'd be happy to do is research this further if you message me privately (while also providing your case number). Though I'm unable to guarantee anything, I can see where your case stands and try to assist from that point as much as possible. I look forward to hearing from you.

Kindly,

William R.
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Old 07-28-2014, 09:37 PM   #22
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OMG.....this is the first time I have heard of this problem......I have an early build 2012 (August) and pray that this doesn't happen. I can't imagine how much the cost of this would be if it was to be paid out of pocket after the warranty.....I now have 29K on my ragtop....why oh why do they design these cars so badly to work on?????
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Old 07-29-2014, 03:16 PM   #23
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Whoa has anyone else had this problem on the camaros? Or is this just a bad luck experience followed by bad dealership fixes? This makes me a little uneasy knowing that it could possibly start leaking into the passenger footwell. Wtf. My dealer hasn't said anything about it to me (then again they haven't said anything about the key recall either). Is this going to be a recall or just a fix by case basis? I have almost 17k miles on my car, don't want this to happen as soon as my warrantee ends.
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Old 08-08-2014, 10:27 PM   #24
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So the car has now been at the dealer 16 days. They finally got the windshield out, and have started removing the dash. Until they absolutley diagnose the problem as a 3rd heater core failure, I cant do anything. The service manager and dealer have been great and helpful. They are trying to be neutral as this whole thing is up to GM. Lets just say the people I have talked to so far just have the job or mission to keep telling me "NO" so I will go away. They don't even know what a heater core or will tell me why they say my car doesn't qualify for as a lemon.Under California Lemon law, a 3rd repair under warranty, especially if the car has been in the dealer for more than 30 days, for a serious or dangerous condition (not the radio working etc, I think boiling coolant coming out onto your feet is dangerous) qualifies. Also there is a bulletin out on this condition, PIC 5457A, which also qualifies it. So, after the 3rd failure is documented, I will contact GM again to see how they want to handle it. William I would appreciate any help you can give me. I will get the case number and message it to you once the 3rd failure is diagnosed. I miss my Camaro, but I can't keep going thru this. The smell of coolant coming thru the vents makes us sick, and just the other day I met another 2010 Camaro owner who had his heater core replaced too. Realistically, this is a part that should last the life of the car with good maintenance. William please PM me and I will give you all the repairs records. Thanks
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Old 08-09-2014, 03:09 PM   #25
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Pm and case number sent. I will keep everyone advised of the way Chevy handles this.
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