Toyota's rapid growth is wearing managers and engineers thin here in America, a new report says. And the same people it needs to continue its march of towards becoming the world's largest automaker are quiting in alarming numbers.

According to Automotive News, Toyota will begin to decentralize its management and engineering command and will expand its project management staff. Complaints from the staff include excessive overtime, excessive travel, lack of authority, breakdowns in communications between the field and command as well as a lack of balance between work and family.

Toyota has also seen an increase in highly publicized recalls. Most of these have been resolved, but complaints continue to roll in about V6 engine sludging, and decreasing interior quality -- including cheaper materials and less solid construction.