I have a Volvo XC60 2012 T6. 110k miles. Upon start up and city driving, the car is quiet with no front-end noises even while turning. After the car has been under load for a few miles, especially after a highway trip, the following happens: Upon taking off from stop, the area near the front wheels pop/click quite noticeably. After a long highway trip, the pinging is multiplied and worse. Driving at speeds above 30mph produces a bit of cyclical whirring but no shaking and feint vibration. If I turn I also hear a few pinging sounds. After my 100 mile trip yesterday it sounded like a dozen little pops/pings every time i started forward. Slowing down does not produce a noise. I've heard of Volvo axle ping, but I imagine this would be present all the time. Could something be coming loose when it heats up? If the car is parked for some time the noise is gone until i drive some distance again. Any advice appreciated.