Originally Posted by richfaa
If my memory is correct we have replaced 8 maybe more holding tanks between two Montana's since 2006.Most of them failed at the top seam and a couple failed while not moving and just sitting on our lot. We have replaced 3 on this 13 3402 2 gray and one black. We determined that these were not holding tanks. I remember replacing 1 gray, 2 galley, 2 black on the 06 3400 and I think we actually replaced 2 gray.
Keystone now uses new on piece tanks perhaps they are better.
I learned through my friends experience, Keystone does not mount the tanks according to the manufacturers specs.