weird sound after front shock install and alignment

Good morning, folks, hoping for a little help in diagnosing a noise. I have a 2010 4x4 5.7 Limited. So I had front 4600's installed by the shop, they re-used the springs, used new KYB top hats, and performed wheel alignment.

Now, going at low speed (below 35), I hear a klak-klak sound coming from front left, but the sound goes away when I apply the brakes. Sound also goes away when I go above 35.

First I thought it was the brake dust shield, so I pulled the wheel off to inspect it, but it was not rubbing on anything.

Could it be a warped rotor? Wheel bearings (hope not)?

It's weird that it only happened after I had the shocks installed.

Thanks in advance for all experienced diagnosis.