10. The two bolts that hold the shock in the lower mounts are easily removed with a 9⁄16-inch socket. Once the bolts are out, we pulled the shock out the bottom. In this case, the shocks were Monroe Sensa-Tracs, a common replacement shock that is nitrogen filled and calibrated for extra control and comfort. Although the shocks were not leaking, the fronts could be compressed by hand. That’s always a first indicator that replacement is needed.