looking for shop that can identify/repair bumping noise from under chassis my 2015 LS. local mechanic shops say they can't find any noise.?? Why to i hear it any time I go over any uneven surface/road. lifted hood and found missing rubber gasket missing under shock tower cap on one, and working coming off on other. has to be suspension problem related to shock/strut . hasHotchiss sway bar /bushings installed by previous owner.

Need shop has experience in working on suspension/components issues

your help greatly appreciated