need help, i have an early 98 forester 2.0 non turbo. recently i have been getting a bad vibration all through the car,About 2 months ago the rear diff blew up and a used one was sourced and fitted all fine till last week. changed tyres round as 2 new ones fitted, no difference, prop un bolted and turned 180 still no difference checked drive shafts and u/j's all seem ok anyone got any ideas as at a dead end.