any body help solve this long standing problem? i have one of those stainless steel brackets which you fix with self tapper screws the problem is over time they start to oval the hole with the constant on and off with hoze lock fitngs.any one sugest a better way. with out using the van ports and cutting holes in the body work >:(this is doing my head in,ive tride to mount bracket in side but means leaving van open to fill etc and drips of water.