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Heating & Cooling 4th Gen Dodge Ram Heating & Cooling Problems and Questions.


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  #261  
Old 12-12-2013, 11:22 AM
paulswagelock paulswagelock is offline
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I dropped mine off today. I do have hoses now, and they will be changed.
I met with my dealership owner this morning. He is just back from a dealership council meeting, and provided more detail.

It appears the smell is not a reaction between the antifreeze and the hoses, but caused by residual left in the heads from casting. Somehow the residual was not cleaned away sufficiently after casting the parts, and that residual is the reactant with the hoses, being carried by the antifreeze. He did not have details on how long or how many castings were affected, but that is why the problem is random, not all castings were poorly cleaned.

That's the info I was given this morning. The fix is to replace hoses, flush and refill.
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  #262  
Old 12-12-2013, 12:04 PM
metis motors metis motors is offline
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Well I just got a call from Chrysler Canada here this morning opening a file for me. no solution yet but they say they are working on it. so hopefully it won't be a big runaround. I think I will phone my case worker and inform her of this new development and see what she says.
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  #263  
Old 12-12-2013, 03:34 PM
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Quote:
Originally Posted by paulswagelock View Post
I dropped mine off today. I do have hoses now, and they will be changed.
I met with my dealership owner this morning. He is just back from a dealership council meeting, and provided more detail.

It appears the smell is not a reaction between the antifreeze and the hoses, but caused by residual left in the heads from casting. Somehow the residual was not cleaned away sufficiently after casting the parts, and that residual is the reactant with the hoses, being carried by the antifreeze. He did not have details on how long or how many castings were affected, but that is why the problem is random, not all castings were poorly cleaned.

That's the info I was given this morning. The fix is to replace hoses, flush and refill.

That is great info for the folks experiencing this issue. Hope all of you are taken care of promptly. I also hope that my 2014 on order is immune if they are aware of the issue and are taking steps to make sure the heads are properly cleaned before installation.
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  #264  
Old 12-12-2013, 05:28 PM
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A little food for thought. Casting debris is usually in a sand like form. It is initially tighly connected to the casting areas and doesnt pose as a threat in the assembly dept. Then over time, flowing coolant, and temperature this sandy debris breaks off and flows through your cooling system. Ford had some issues with this on thier Superduty trucks a while back. It was coming from the casted coolant port areas of the engine block and was wreaking havoc on the oil coolers that had tiny passeges for the cooant to flow through. Ford helped many by only replacing the oil coolers as they went bad under warrenty, wich was only a temporary fix, but for those out of warreny this was an expensive and time consuming fix. In the meantime we started adding a coolant filtration sysytem that filtered a small amount of coolant at a time and replacing the filters regularly. This became a huge help! Coolant filtration systems can be made with parts from a good auto parts chain. I imagine filtering this casting debris would also eliminate the smell as you are removing the problem casting debris. Also, your protecting your coolant sytem (radiator/small coolant passages and the seals in your water pump).
I attached a couple pics of what the casting debris looks like after the first filter change at only 300 miles! The filter was cut open to inspect what the filter was catching. We did 300 miles, 500 miles, 1000 miles and then every oil change afterwards.
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  #265  
Old 12-12-2013, 05:31 PM
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Heres a closer shot of the csating debris:

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  #266  
Old 12-14-2013, 02:02 AM
paulswagelock paulswagelock is offline
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Truck is back. All new hoses, double flushed, and refilled with antifreeze. Smell is gone from under the hood, so short term it cleared the issue. Time will tell if it is a true fix. I smelled the inside of one of the removed hoses. That absolutely is the smell that was polluting the air around and in my truck.
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  #267  
Old 12-14-2013, 01:49 PM
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Quote:
Originally Posted by Monster5601 View Post
I've got the eight speed with active grill shutters too. I hope this isn't one of those creeper conditions where it suddenly rears up. Guess I'll find out soon as temperatures are dropping over the next few days.
So far it seems to begin at about 3000 miles. I too have the issue and my truck is a 2014 built at warren in August of 2013. Also has active shutters.
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  #268  
Old 12-14-2013, 04:16 PM
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what does that mean for longevity of the engine?
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  #269  
Old 12-14-2013, 09:03 PM
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Reading through here it seems like Chrysler is coming up with all kind of excuses as to why this happens. This past friday we had another 2013 ram come in with the horrible underhood smell. A rep from chrysler actually came out and explained to all of us mechanics that the smell is in fact caused by the coolant reacting with the hoses. He told us that as of right now the fix is to replace all the hoses, flush the system out twice and re-fill with the same coolant. He said the chances of it happening again is like 1 out of 100.

Which means even if you have this done, it may come back again. Seems like a crappy fix. He also told us that the hose manufacturer told Chrysler that this would happen because it happened to GM but Chrysler when ahead and did it anyway. Customer Loyalty?
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  #270  
Old 12-15-2013, 10:06 AM
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In my opinion they should replace every stink truck.That order if forced upon Chrysler would motivate the rears to fix it now!!
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