My 2000 S 430 with 96k miles seems to make a slight groan at low speed sharp
turns, like when turning from the driveway into the street. It did this for
awhile about six months ago, then quit, now has begun again. It does it
when turning either right or left. The sound is very slight, almost more
felt than heard. It is not noticeable above slow speed. The power
steering fluid is OK. The shock absorbers have recently been rebuilt.