Shuttering noise from rear end when i turn left

I would check the carrier bearing on the drive shaft. If that is Okay what you have described would suggest a bearing in the rear end. But I would check both sides wheel bearings. for leakage if one side is leaking it might just be a bad bearing on one side or the other.

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A whinning noise while turning is an indication of a worn bearing. The extra pressure put against the bearing/race during the turn and the closing of a gap creates this noise.I would chech the axle bearings on the side of the truck on the outside the curve when you hear it. What I'm saying is if you hear it when you turn left....check the right side bearing

hi i had the same it was my four drive case

if it's a 4wd check the front axles, it may sound like it comes from the rear.

Check CV joints.

Could be low on oil, or need a shot of additive if it is a limited slip differential.
The noise may be the clutches in the diff or one of the axle bearings.

Suspect a worn left side spider gear or it's bearing in the differential. If a limited-slip differential, the left side clutch may be grabbing somewhat. In any case, the differential will need to be removed from the case to service any worn or defective components. Rear end service is not for inexperienced mechanics. Have you checked the fluid level in the differential? Hope this helps!

sounds like either a sway bar end link or shock, more towards the end link tho

More than likely a bad bearing. The bearing that usually is at fault is the one on the same side that you are turning., left turn, left rear, right turn, right rear.

Is your rear locked by mistake or not disengaged?