I replaced the front brakes and calipers on my F-150. I am hearing a knocking noise from the drivers side wheel. It gets louder and faster as the speed increases.
The noise goes away when the brakes are applied.
Can anyone tell what is causing this?

 

Check to see if the wheel bearings are loose but my guess is that the inner brake pad doesn't have the anti-rattle clip on it and it is moving around until you step on the brakes. Also check the slide pins are installed correctly and the outer pad is snug in the caliper.

 

Yeah, what he said.