Loud squealing or chattering noise on a 2004 f150 supercrew lariat with the 5.4l

Hello, this could be a cam chain tensioner or camshaft phaser making noise, or a cam chain that is noisy. Have a local technician near you observe and listen to your noise to give you first hand real world advice. There are several possible directions but a pro should hear it and advise. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops