I think I'd visit the dealership for an opinion. The rack and pinion and the pump have to work the hardest at low speeds and when stopped due to the friction of the tires on the road. If I had to guess, I'd look first at the rack and pinion, although Chrysler has very little trouble with them. If this was a GM product with 58,000 miles, a rack and pinion would be a very likely possibility.
Internal leakage around the power piston in the rack can make a pulsing steering wheel, especially at higher pressures. Higher pressure is developed at low speeds and at full turns.
Caradiodoc
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Saturday, March 28th, 2009 AT 4:28 AM