2006 Cadillac STS Q&A
2006 Cadillac STS Question: Had to replace 4 Left front tires due to defect.
4 tires have been replaced and a 5th on way. Hear and feel whop, whop at low speeds and becomes more pronounced when braking. No lateral run out when braking. At 70 mph on highway a light vibration in steering wheel as if out of balance. Balancing and alignment checked out good. Wheel bearing is new. The struts are electronic according to vin #. Can they be faulty? If so how does one check? - Caddyman8
i would look more at the rotors. that out of balance condition would be a start. the front end needs to be checked for any loose parts. i dont believe you have 4 defective tires. you have a problem no one has found yet. get a shop to track it down for you. Roy - mastertech6371
Tire has a flat spot from storage or it is a deffective tire. . I would try to put wheels on from an other car like yours just to make sure not suspension problem. Check your brake rotos too they may needs to be turned. - euromech