1998 Audi A6 Quattro Q&A
1998 Audi A6 Quattro Question: What possible causes for suspension to shake and feel unstable above 50mph?
tire balance,tie rod ends, ball joints, upper strut mounts, control arm bushings.. Loose tires.. - Tbone1980
Also, check and possibly replace the sway bar end links. Other than that, maybe a half-shaft CV joint is starting to fail. - csubak30
COULD BE SEVERAL ITEMS SEEK A DIAG FROM A GOOD FRT END SHOP - globalhelper