I'm Currently Having A Popping Noise Every Time I Accelerate Forward I Here A Popping Noise But When I Get Up To Spend It Stops If I Slow Down And Press The Gas It Does It Again Sounds Like It's Coming From Down Below In The Front Axle My Sts V8 Is Awd I Let The Shop Put It On A Rack And The Passenger Side Wheel Isn't Spinning With All The Wheels Please Help I Love This Car