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Old 06-14-2019, 11:35 PM   #1
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Brand: Thor Motor Coach
Model: Quantum
State: Alabama
Posts: 24
THOR #8350
Exposed plywood frame 2017 Quantum

I’ve been doing some maintenance on a 2 year old coach and found the following. There is delamination of the “house” part where it connects to the truck chassis. It’s a dry day and it’s pretty water logged. It was never sealed and wood sandwiched in fiberglass was just left untreated under the vehicle. How do you go about fixing this??
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Old 06-15-2019, 11:41 AM   #2
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Brand: Thor Motor Coach
Model: Thor Aria 3601
State: Georgia
Posts: 19
THOR #11333
This issue was discussed on a Facebook page: Thor Quantum Owners Group.
After reading that post, I inspected our 2017 Quantum KM24 and discovered the same problem.
A member of that Facebook group advised that he had used Liquid Nails, applied with a caulk gun to squirt the substance up into the areas of de-lamination, then clamped the leaves together and applied waterproofing.
I also squirted Liquid Nails and clamped together and applied a marine varnish once dry.
I also sealed with Gorilla Tape and then reattached the trim piece.
I did contact Thor when I discovered the issue on our coach and as it was still under warranty they agreed to repair the problem.
I have an appointment at the Factory Service Center in early October.
My fix was only temporary as we were preparing for our summer western RV odyssey and I could not get to the factory before departing.
So far it seems to be holding up but we have yet to encounter any heavy rains.
The worst damage was on the driver’s side but I did the repair to the passenger side as well.
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Old 06-15-2019, 02:03 PM   #3
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Brand: Thor Motor Coach
Model: Quantum
State: Alabama
Posts: 24
THOR #8350
Was yours worse than mine? I haven’t been able to get Thor on the phone, will try again Monday. Anyone have them cover this outside of warranty?
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Old 06-15-2019, 02:37 PM   #4
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Brand: Thor Motor Coach
Model: Thor Aria 3601
State: Georgia
Posts: 19
THOR #11333
Our driver’s side looked about like that.
Just beginning to de—laminate on passenger side.
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Old 06-16-2019, 02:05 AM   #5
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State: Florida
Posts: 28
THOR #7695
Mine was covered under the warranty period. They replaced both wing walls. I inspect ztwice a year now.
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