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Old 06-20-2011, 05:54 PM   #1
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My Dometic is losing the battle of the bulge

My '72 Ambassador, Abby, has the original Domestic RM 75a. The doors will not seal because of a bulging piece between the freezer and the refrigerator. It has been getting worse the last month or so. The fridge works well on both gas and electric. The door not sealing causes a lot of condensation.
Has anyone repaired this problem before?
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Old 06-20-2011, 06:46 PM   #2
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Top, we have the very same model and year camper, same fridge and same problem. So far, our solution is locking the doors shut all the time and it seems to stay sealed. If you find a solution, I'd be glad to hear it. I quit after beating it with a baby sledge with a 2x4 against fridge bulge. The 2x4 gave up first.
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Old 06-20-2011, 06:53 PM   #3
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Perfect!
You are going to have to replace it. Bring Abby up here on a week end and we can invite some folks up for a real, hands on, work rally. I'm serious.
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Old 06-20-2011, 07:52 PM   #4
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Originally Posted by Melody Ranch View Post
Perfect!
You are going to have to replace it. Bring Abby up here on a week end and we can invite some folks up for a real, hands on, work rally. I'm serious.
Thanks Melody,
I think I can fix it! I'll try at least. I'll give you a ring when I know what is going on this weekend. My Mom and Dad are dragging the '62 GT down from MN. They are leaving on Thursday from MN, so maybe???
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Old 06-20-2011, 08:30 PM   #5
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I had the same problem on my '77...

To describe the fix, first imagine that the problem is the foam in the door panels has continued to expand and has pressed out the abs panels to the point where the door(s) don't fit into the fridge...and thus don't close...

Solution?

Remove part of the foam!

I took apart the door and used a hack saw blade to saw slots into the foam, all the way to the back side of the plastic panels. Fill the slots with some foam glue and shove the door back into the opening with some thin cardboard placed into the slot to help squeeze the door panel back into shape...once the glue dries, reassemble the door...it now fits!
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Old 06-20-2011, 08:38 PM   #6
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Thanks for the tip Vernon! On mine it is the main part of the fridge that is bowing outward. Maybe it is hard to see from the pics, but the doors are square and true. I guess I'll have to yank it out and make some adjustments!
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Originally Posted by HiHoAgRV View Post
I had the same problem on my '77...

To describe the fix, first imagine that the problem is the foam in the door panels has continued to expand and has pressed out the abs panels to the point where the door(s) don't fit into the fridge...and thus don't close...

Solution?

Remove part of the foam!

I took apart the door and used a hack saw blade to saw slots into the foam, all the way to the back side of the plastic panels. Fill the slots with some foam glue and shove the door back into the opening with some thin cardboard placed into the slot to help squeeze the door panel back into shape...once the glue dries, reassemble the door...it now fits!
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Old 06-26-2011, 11:03 AM   #7
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I'm having the same problem...
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Old 07-19-2011, 07:23 AM   #8
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Thumbs down Time for a new fridge?

We recently returned from our long summer trip. The bulging is getting worse. The freezer was cold as could be, but the fridge was warm. We had some groceries that we had to throw away. I think I better attempt to fix it or put in a new fridge. Having to buy four bags of ice a day and tote around three coolers is a pain! Anyone replaced an RM 75 with a new DM 2820? That is what's listed on the Dometic website as the proper replacement.
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Old 07-24-2011, 09:42 PM   #9
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Mine in our '73 got the bulge after firing-it up out of a couple year storage. Same issue, ice cold freezer, cool but not cold fridge ... so a new one for me too.
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Old 07-24-2011, 10:26 PM   #10
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Top, a couple of ideas? Could you heat the area with a heat gun and hold a 2x4 against it as it cools? Or.. Build another gasket around the door, letting the extra material seal the door where it isn't as thick?
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Old 07-25-2011, 08:55 PM   #11
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Thumbs up Thanks for all the advice!

Well, I took Vernon's methods and applied it to the fridge.

First I took a dremel and cut the metal cap loose on the LH side.
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Then I took a knife and cut back some of the bulging foam. I cleaned it up. Applied some Trempro RTV Silicone. I used a piece of cardboard to get the top panel of the fridge compartment to seal.
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It is a great thing to have these forums to share knowledge in such a great way. Thank you all for your help and suggestions. I knew it could be fixed! Hopefully in 12 hours the RTV will have set up and sealed everything. I'll let you know how she looks tomorrow.
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Old 07-27-2011, 07:44 AM   #12
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Angry All sealed up but not cold enough

Frustrating. Very frustrating. Yesterday morning I went out to the fridge and checked the temp on the thermometer, 68 degrees. I figure, "well it has only been one night of cooling, let me get one of those battery operated fans and see if it helps". Yesterday afternoon I stopped at an RV place and bought one of those battery operated mini fans. I put it in last night and this morning the thermometer read 60 degrees. Now granted it was VERY hot yesterday, like 108. It must have been at least 120 inside the trailer yesterday evening. But 60 degrees in the fridge isn't going to get it. I guess my next step is to get those little cooling fans for the back of the fridge.
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Old 07-27-2011, 09:11 PM   #13
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Top, Dump it and install the 2820. We did it to ours last week. I picked the fridge up at noon on thursday then I worked until 3:30. Home by 4:00 Fridge installed and cooling by 9:30. Food in Friday at 7:00 am and camping by 3:00 friday afternoon. The only real pain was running the 12 volt in from the bathroom under the bed then behind the pantry.

The light in the new fridge makes my wife smile.
Not having to push the new door shut with my foot makes me smile.
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Old 08-01-2011, 08:13 PM   #14
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Works great on electric

Well an update of sorts, we went to the gulf this past weekend. The fridge would not go below 60 on gas. The freezer was working pretty well. It was about 5 degrees when I checked it. I switched to electric at the campground and the fridge got down to 40 degrees in about two hours. I think the burner/chimney needs a good cleaning. I'm not looking to drop a thousand on a new fridge just yet. Suggestions?
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