Power Steering Hose, Piping, And Connections problems of the 1999 Dodge Grand Caravan

This vehicle has had problems with a rubbing and knocking noise in the steering components. The dealership has replaced steering hoses, the steering column, the intermediate coupler shaft, and 3 rack and pinions in trying to repair the problem. They've contacted the manufacturer and had their star technician supervise the last repair, but the problem still exists. On 12/3/1999 the technician test drove with the customer to diagnose noise in steering column. On 12/17/99, the steering column was replaced. On 12/23/99 a noise in the steering was fixed with the replacement of the power steering lines. On 2/3/00, vehicle was checked for rubbing noise in steering. The technician could not duplicate the problem. On 1/18/01, rack and pinion was ordered to fix rubbing noise in steering column. On 3/29/01 customer returned to complain about noisy steering. On 4/23/01, dealer replaced intermediate steering coupler shaft. On 5/3/01 the rack and pinion was replaced to repair a noisy steering rack. On 7/27/01, vehicle was returned to dealer for noisy steering and repairs supervised by star technician. Rack and pinion was replace and vehicle was returned to customer on 8/3/01. Some noise appears intermittently still and repair does not seem complete.