Good after two weeks and 40 hours of driving. No more rumbling in the back of my 2012 Buick Enclave. Removing the old hub was a hassle for my 4WD car as it was SECURELY installed. 3 bolts to remove and then I hit the side of the old hub with a heavy hammer. Nothing. I got a jackhammer from the auto shop. Nothing . took a 10 pound sled and did a few turns on the side edge of the hub. unimportant. Pooh. Finally, I took a hammer and a large chisel and wedged it on the back with a few taps. The new one is easy to install and uses a red lockable hoop and your job to fix the spec. Excellent after that and now rolls smoothly.