REAR SUSPENSION HYDROLLICS

In the case of my sec , at around 170.000mi I notest the rear became vary stiff over bumps. The problem was not the shock but the chamber attached to it . The charge inside the chamber bleeds down over time and fills with uncompressable fluid from the load leveling pump reservor. it was a cheep fix. I bought the chambers on line and replaced them myself. Once they were in it was start and go.