The engine mount on the right side can wear prematurely and cause excessive engine movement.Google+
Car Problem Reports
Nissan Maxima Right Side Engine Mount May Wear and Cause Excessive Movement
Nissan Maxima Problem
Average Mileage: 103,500 mi (100,000 mi - 114,000 mi)
Visitor, 2005 Nissan Maxima
I replaced the right and front engine mounts recently. Never had a problem like this with my old car.
Visitor, 2004 Nissan Maxima, 100,000 mi
All engine mounts broken
Visitor, 2004 Nissan Maxima, 114,000 mi
To much movement on the engine, because of that right mount wear at 12000 miles. The problem was fixed by changing the Right side engine mount.