The idler arm or pitman arm may wear causing looseness in the steering. When this occurs the front suspension will not be able to be aligned correctly.
Car Problem Reports
Chevrolet Impala SS Idler/Pitman Arm May Wear and Cause Looseness in Steering
Chevrolet Impala SS Problem
Average Mileage: 98,931 mi (98,300 mi - 99,563 mi)
Visitor, 1995 Chevrolet Impala SS, 98,300 mi
front end wanders when in road grooves, steering wheel 1/8th turned to left, no positive road steering
Visitor, 1995 Chevrolet Impala SS, 99,563 mi
i was driving and i think it was the pitman rod that broke, my front right slamed to the ground, luckly i wasnt on the freeway or speeding.