We have been in our 2005 GT and have been sitting on a concrete slab for 2 months in FL. Been creaking right along with no change in level so, it's not the jacks. I agree with the expansion and/or the suspension theories.
Bill
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Life is a journey, not a destination.
2005 Georgetown 359ts
Bill & Virginia, Kentucky
Nights camped in 2011...78 , 2012...73,
Nights camped in 2013...123, 2014 ...101
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