We began by properly positioning the Nova’s rear subframe and rearend housing on jackstands. Then, we removed both rear tires and removed the lower QA1 shock bolt with an 11/16-inch wrench and 5/8-inch socket. We further disassembled the components by disconnecting the rear brake lines at the “T” above the differential cover with a 3/8-inch flare wrench. Then, we removed the four large nuts from the U-bolts, which fasten the lower spring perch to the underside of the leaf springs. Note: Check the condition of the brake lines for cracks or abnormal wear.