Buick Regal Engine Noise

Recently Changed The Timing Cover Gasket And Seal, And The Water Pump Gasket. Torqued Everything To Spec. Now The Car Is Making A Weird...

There Is A Loud Whining Noise Under The Hood, Sounds Like Driving With Mud Tires My Husband Says. We Just Replaced Mass Air Flow Sensor.

Just Got The Car A Week Ago. It Didn't Make This Noise, Now It Does. At Ignition Its A Whine/whir Sound And It Gets Louder As I Accelerate....

At About 80,000 Miles This Car Started Making A Squealing Noise Like The Belt Slipping. It Is Worse At Idle, And Hardly Noticable At Speed...