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Old 10-08-2016, 12:53 PM   #1
Junior Member
Join Date: Oct 2016
Posts: 6
Refrigerator exhaust smell inside

We bought a used 2011 172.

When running the refrigerator on LP, we smell exhaust fumes inside the trailer. It seems to be sealed well when I look inside the outside vents.
The AC vents, bathroom vent, and windows are all closed so the fumes must be coming in alongside the refrigerator.

Is this a known issue?

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Old 10-08-2016, 06:50 PM   #2
Head Rambler
Join Date: Mar 2008
Location: Southwest Alabama
Posts: 3,307
If the cabinet is sealed correctly to the fridge you shouldn't smell anything from the outside. If you're sure it's leaking around the cabinet, you could make a makeshift smoke tester.

Get a piece of cardboard or thin plywood and cut it to fit the RV door opening. Then get a fan, (a box fan should work) and cut the cardboard or plywood to fit it. Duct tape it in place. Put someone inside the RV and place the plate in the door and turn the fan on. Take a candle or smoking incense and light it and hold it in the fridge access panel. If there's a leak you should see smoke or smell the scent. Ideally you would want a heavily smoking incense or stick, so you could see smoke where the leak is.

You could also use the bathroom exhaust fan if it's a fantastic vent or equal, and will create a slight suction in the RV when everything is closed up.

Salem 29RKSS Pushing a 2500 Mega-Cab CTD!
Gotta go campin!
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Old 10-08-2016, 07:29 PM   #3
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Location: NE Florida
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If the refrigerator is burning correctly, you shouldn't be able to smell fumes even if the entire fridge was in the living area. The flame is just slightly larger than a pilot light and should be burning true gas flame blue.
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Old 10-09-2016, 06:26 AM   #4
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Join Date: Oct 2009
Location: South Eastern PA
Posts: 19,831
IMO the exhaust smell is dangerous and needs to be resolved, not masked.

Has your CO detector ever gone off?
Have you checked it using the test button?

There should be no "path" for any fumes to enter the living area of the camper.
This needs to be checked out by an expert.

Does the fridge cool well?

Lou and Laura with Bella - German Short Hair Pointer
2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
2010 Flagstaff 8526RLWS - Superglide 3300
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Old 10-09-2016, 07:07 AM   #5
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The flame on a refrigerator is so small I would not think you would smell it if you were 2 feet away from it. I bet it is something else like the water heater.
2016 Flagstaff 23lb
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