From what I understand, when they pulled the diff out of my car they were shocked it was even functioning. The rotating piece inside was barely moveable by hand. The new piece was smooth and infinitely better than what I had in the car previously. They have suggested that the driveline might need co...

Hi all, This is my first post so go easy on me! I have a 2000 v70 that was having a whirring sound for the last year or so. Mechanic thought it was the viscous coupler, so we replaced it. This didn’t solve the issue. My mechanic installed a gently used rear differential yesterday. Whirring noise is ...