have been widely documented, particularly in CVT-equipped models produced between 2013 and 2018. These issues have affected thousands of drivers and prompted extended warranty coverage from Nissan in many cases. The most common symptoms include shuddering during acceleration, whining noises that increase with speed, and sudden power loss while driving at highway speeds. Frequent CVT fluid overheating dramatically shortens the transmission's overall lifespan and worsens internal damage rapidly. Never ignore these warning signs identifying Nissan Altima transmission problems early and scheduling a professional diagnosis can save thousands of dollars compared to a complete CVT replacement.