Diagram provided on request of the front suspension/steering sub-assembly, showing the main gearbox-mount [3], anti-roll bar [14] and drop-links [24], as well as the trailing-arm and its bush-mount [7+9], which I believe are at fault.
[click for bigger]
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgEQVG5H5o4-BuimiTAzgiKH4uJf5gfutvpk_gw9YYfncNDbj-2xITayLeE7p1eBv4K_JMz25DxiIoVmx1uT2HxnZIPCdyK3ID7pEPMnyS4A6LfjhjB7GsqwX6unKBpCQ474hiSTUK_cOo/s912/subaru_impreza_front_lower_suspension_diagram.png)