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Old 04-03-2018, 07:31 PM   #1
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2017 Montana 3790RD bulge under rear slides

We purchased our 2017 Montana 3790RD about a year ago and have noticed a 1/4 bulge exists on under the front lower corner of both (drivers and passenger side) rear slides (see attached pictures). Curious if anyone else has experienced the same condition on their Montana 3790RD 5th wheel? Thanks.
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Old 04-03-2018, 07:49 PM   #2
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Nope but I have notice a few very slight bulges in other places when waxing. Does not concern me as it is just a high wall stud and really can`t be fixed but you could go into the rear storage if your model has that and remove the paneling to see if a weld has broken or is just a high stud on the wall.
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Old 04-03-2018, 08:28 PM   #3
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I have the same bulges on both sides. 2016 3790RD. At first I thought it was delamination..
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Old 04-03-2018, 10:31 PM   #4
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Looks like wear the wall studs were cut for the door you could pull the inner panyl like bshgto said but I have seen that before!

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Old 04-04-2018, 05:39 AM   #5
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No not our 2015 however, we just pulled in the driveway last night after making a run from Georgia to Ontario Canada yesterday. Last fuel up was in Perrysburg Ohio just South of Toledo, when I got out most of lower rear aluminum painted panel on the driver had pulled out of its joint at the rear where it joins the back piece. It was starting to storm and blow bad so I didn't get a good look at it but I know it should have did that.
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Old 04-04-2018, 06:32 PM   #6
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Thanks all for the input. I will go take a look in behind the paneling and see if I see any separation or cracked welds. From what I recall it is very tight in the area. Oh and by the way bshgto, how does your 2006 F350 ride when pulling your 5th wheel. I also have a 2006 F350, had it bullet proofed. So far so good, but we have not been on any long trips yet.
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