I have a 2000 Pontiac Bonneville SSEI, 41,000 miles.
When making slight turns, e.G. Changing lanes, I feel a pulsating effect in the steering wheel. It's almost like the wheels are wobbly. This is at all speeds. The steering would turn, stop, turn, stop. There is no problem while going straight.
I have done the alignment, balanced the tires, bought new tires, serviced the shafts, and even put wheels of another bonneville, but the problem still remains.
I can't pinpoint the cause of the problem. Please help!