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Old 03-30-2015, 10:35 AM
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2014 Grand Cherokee Steam fm Engine

Greetings:I have a 2014 JGC Eco Diesel with 23k miles.This morning on my way to work after about 30 min of mostly highway miles, I was stopped at a long red light.I noticed what I think was steam accumulating in the passenger compartment.It had no significant smell, and seemed to be coming from under the passenger seat.I pulled off the road, and was able to see that the steam was now coming rather strongly from under the hood on the passenger side rear corner.I opened the hood with the engine still running, and there was a strong plume of steam coming up from between the passenger rear corner of the engine and the shock mount.

Shut off the vehicle, and could see no obvious source of the steam, or leaking fluid.I restarted the vehicle, and there was no steam, so I drove the last 2 miles to work.In the parking lot I let the engine idle for about 10 minutes, and turned up the heat to high on the HVAC, but it didn’t happen again.Engine temp stayed normal throughout.

Anyone have any ideas what happened?It’s got me concerned.My wife drives my son around a lot in the vehicle, and I don’t want them getting stranded!

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Old 03-30-2015, 10:46 AM
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Re: 2014 Grand Cherokee Steam fm Engine

Was it raining? Drove thru any water?
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Old 03-30-2015, 10:58 AM
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Re: 2014 Grand Cherokee Steam fm Engine

Dry and cool morning - no puddles. Thanks
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Old 03-30-2015, 12:56 PM
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Re: 2014 Grand Cherokee Steam fm Engine

Very odd. I have seen steam but mainly from the grille area and usually it's wet out when I do. Maybe jeep added a steam engine clean option j/k.

If it happens again and you have a smart phone I recommend taking pics and videos of what happens.


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Old 03-30-2015, 01:00 PM
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Re: 2014 Grand Cherokee Steam fm Engine

I took vid of it. I could not post the fist time -trying again. Just got off the phone with the local dealership service advisor - he was clueless.
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Old 03-30-2015, 02:47 PM
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Re: 2014 Grand Cherokee Steam fm Engine

Quote:
Originally Posted by SteveBB View Post
I took vid of it. I could not post the fist time -trying again. Just got off the phone with the local dealership service advisor - he was clueless.
Though I have no clue what's going on there( unless somehow some liquid was spilled in that area previously), hopefully one of the forum members may be able to shed some light on this.
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Old 04-01-2015, 06:51 AM
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Re: 2014 Grand Cherokee Steam fm Engine

Does said steam emit only when the HVAC is in AC mode?
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Old 04-01-2015, 10:29 AM
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Re: 2014 Grand Cherokee Steam fm Engine

I don't think the AC was on. I've driven perhaps 50 miles since then in similar driving conditions, and there's been no repeat.
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Old 04-05-2015, 07:05 PM
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Re: 2014 Grand Cherokee Steam fm Engine

I don't know much about the diesels. But what happens during Regen? I seem to recall something about the end result being water vapor.
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Old 04-05-2015, 07:25 PM
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Re: 2014 Grand Cherokee Steam fm Engine

Are you losing coolant? Any sweet odor to the steam?
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Old 04-06-2015, 11:45 AM
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Re: 2014 Grand Cherokee Steam fm Engine

No coolant smell - I think regen is a possibility. It happened again in exactly the same place on my commute again this morning - both times were after almost exactly 35 min of driving. Oder is slightly acrid - I'm not familiar with the smell at all. Will call the dealership again...
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