Vehicles with a manual transmission may develop an abnormal vibration type noise, most noted when accelerating from a stop or shifting gears. This is generally caused by a faulty engine mount. Damaged engine mounts will require replacement.
Car Problem Reports
Toyota Yaris Vibration Due to Damaged Engine Mount
Toyota Yaris Problem
Average Mileage: 38,966 mi (19,900 mi - 63,000 mi)
Visitor, 2007 Toyota Yaris, 34,000 mi
rubber on mount perished & cracked resulting in fluid leaking into engine bay .along with noise being heard in car when starting.
Visitor, 2009 Toyota Yaris, 63,000 mi
vibration on engine start, also noticable when decelerating to stop at light, or acceleration from stop
engine vibration noticable (obviously)