Engine & Drivetrain
Hi everyone,
I’ve got a 2019 GMC Acadia SLT-2 with AWD. Every so often, I will hear a hum coming from the rear of the car, I believe the right rear, when driving in FWD. The noise will start around 20 mph and get worse around 40-50 and gets louder with speed. However, if I engage the AWD, the...