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Old 04-12-2014, 07:16 AM   #1
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Entry Door

My wife and I own a 38 foot 2011 Montana. In November of last year, we suffered a "china bomb" on the ODS rear wheel. The tire blew and we road for we don't know how long on the rim. Needless to say, we destroyed the rim. Since then we have installed a set of G614s and had the damage repaired. Now we have discovered cracks in the inner surface of the entry door. One crack runs from the lower corner of the window to the latch. Could the "china bomb" have caused this? Has anyone tried to re-skin the interior of the door?
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Old 04-12-2014, 07:43 AM   #2
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We have seen those cracks on several units friends here with a 2010 3400 have cracks in the door and have never had a blowout they also start at the window. We had no such problem on our 2006 3400.The entry door on this Big Sky does not seem to fit properly so who knows.
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Old 04-12-2014, 02:01 PM   #3
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If the tire failure was on the Off-Door-Side(ODS), how would that affect the door frame which is on the Door-Side(DS) of the rig?
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Old 04-12-2014, 05:26 PM   #4
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OK, I took ODS to mean "opposite driver side" versus Off Door Side. The blow out happened on the same side as the entry door into the camper.
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Old 07-30-2014, 10:29 AM   #5
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I also have cracks on the inside of the entry door. The unit is a 2011 3400RL. The cracks are horizontal and started with one across the lower window. There are now several. I recently had my dealer look at them and he said this was a new one for him. He took several pictures and sent them to Keystone for their review and comment. I doubt Keystone will offer any repair although I'm sure they have seen this before. The dealer suggested I contact Keystone which I intend to do. The plastic is about 1/32 inch thick with Styrofoam between the inner and outer shells. My take on this is that the material can not take the expansion and contraction in the application of being used on a door.
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Old 07-30-2014, 11:35 AM   #6
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If you are at the Fall Rally, for sure take this up with the Keystone tech.
Dick and Joyce, Wilsey, KS & Lakewood, NM
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2017 3500 Dodge Maxi Cab DRW 4X4, Pullrite Hitch
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Old 07-31-2014, 05:37 AM   #7
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Sounds like typical stress cracks to me and typical does not mean that it happens all the time and to all. Just like in house construction, when you have settling in the ground below an area of a wall with windows and doors...there will be cracking in the sheetrock over time. In our montys, imagine what the jolts of poor road surfaces, bridge/road junctions, etc do to the unit. And if the cutout for the window in the door wasn't absolutely smooth (ie, had a router caused over-cut), then that jolt will concentrate stress to that area. Just like the cracks in deck stair stringers when they do over-cuts with the circular saw during construction. Is this the cause of your inner door cracking??? Who knows. John
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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