The struts could be leaking or the rubber bushings that act like cartilage protecting a joint might have worn, allowing metal-to-metal contact. The strut assembly may have become damaged due to ...

Within the wheel wells, you may notice oil leaking down from the struts, indicating a leak in the line. If you check your tires, you may find indications of "cupping," little divots in the tires ...

As for the shocks or struts, leaks may gradually cause the car to continue bouncing after hitting bumps. Finally, leaking battery acid can damage almost anything it touches, especially your skin.