whining noise

I have an 04 manual 4.0 TJ 180k miles and more than moderately off-road with it. A few months ago, it all of a sudden started making a loud whining/grinding noise from engine/clutch area when accelerating. Sounds almost like straight cut gears or a bad power steering pump but much louder...

Hello All, I have intermittently been getting a P0057 code that will appear out of nowhere, usually in the middle of long drives. Then it will disappear a few drives later. This same pattern of intermittence occurs with this weird whining noise that happens only when my foot is not on the gas...