Rear end shakes driving over 70km, stops shakong when gad pedal is released

What is your question?

While driving, the car shakes at over 70 kms, shaking stops when gas pedal is released. The car is qorst while driving and turning right, garage mentioned may be differential gear but we juzy bpught the car and haven'ttall to that garage to get specific information ?

What makes this problem better or worse?

Driving over 70 kms while accelarating

How long has your 2007 Subaru Forester had this problem?

6 weeks