drivers caliper binding and knocking noise

[Jonesysport]

just brought a 172 and having issues with it the disks are binding on the front and also a knocking noise under acceleration and when turning any ideas thanks

 

[Mangate]

Knocking under acceleration is probably a broken top engine mount, timing belt side. Mine ripped in half after only 6k miles. Get the K-Tec uprated version, although you will get more vibration from the engine.