Hi, I have a Hyundai Terracan 2004. Auto, I want to know if side steps have a solid piece of metal at the back which have to be screwd onto the sill then onto the brackets, I can't tell as the piece of metal under the sills as rotted away but metal sills still. solid or do I have to buy the solid bars separate just wandered if any. one else had the same problem can any one email me please with any info graycat2000@gmail.com thanks