George S Portland , OR February 24, 2015 Appliance: Model SHX46A06UC/26 The upper wash arm of my bosch dish washer would not revolve with the upper dish basket in the lower of thetwo positions I replaced the rear panel distribution tube interface alignment fixture, the upper basket pipe and wash arm. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes