Gen 7 Problems/Service Issues/Troubleshooting
My 2010 Malibu LS 2.4l 4spd developed a weird rattle vibration a few months ago. It isn't the engine knocking, there is no CEL or code when I read the OBD. The car is performing like it always has. The rattle is like a metallic vibration sound that only happens when the car is idling and...