This is crazy, I felt a rattle through the steering wheel. I thought it was a bad steering box. It turned out to be the rear trailing arms. Release of Town Car Executive L 2011. I installed it earlier today. So far, so good! Rear Upper Control Arm: Lower Control Arm to Frame - 150 Nm (111 lb/ft) Lower Control Arm to Axle - 69 lb/ft (150 Nm) Rear Lower Control Arm: Lower Control Arm to Frame - 111 lb/ft (150 Nm) - Lower Control Arm to axle - 111 lb/ft (150 Nm)