2010 Sierra 1500. Tire locks up when making a turn at slow speed

[JacobNya]

Hi, I’m new to this site and hoping to get some help. 
I have a 2010 GMC Sierra 1500 4x4 and when i turn either direction to leave from being parked sometimes one of my wheels lock up and it will skid on pavement but it will continue to rotate til it gets back to the same spot and will skid again until I straighten the wheels.    

[JacobNya]

 I have checked and I am NOT stuck in 4x4, I recently replaced both cv axles, but while doing that I noticed the driver side time is really worn on the inside as I’d I have negative camber adjustment.   But in January I replaces my rack&pinion and then took it to big o tires for alignment.  When I drove off their facility I went across the street and thats the first time I felt this happen so I went back to big o tires and told me to leave my truck and they would recheck it the next day.  So the next day I picked it up and the problem was still happening.  They said thats the alignment was as good as they could get it.  I have paperwork that shows all the adjustments made and what they were before they touched it as well.  

[CamGTP]

If you already replaced both CV axles, we can rule that out. This sounds internal to the front diff. You could pull the fill plug out or just drain it and see how much metal is inside there.

[JacobNya]

I was hoping it wouldn’t be the diff but I agree with you that would probably be a good idea.  If it’s the differential wouldn’t that cause both wheels to lock at same time?

[dna9656]

Most front axles on 4 X 4s are conventional, meaning they are don't have some form of positraction.You need to know for sure what you have before you can trouble shoot. Now I have no idea if GM offers a posi front end on these axles, they are essentially units for front wheel drive cars (at the 1/2 ton level anyway) because it was cheaper for the auto companies to have one type of front end axle VS. 2Also you could use the McPherson strut, rack and pinion front steering and suspension also (prolly) cheaper than the old way. Also the transfer case became what it is now, we don't have to turn knobs on the wheels to engage the axles to the center section any more.

I agree with CAM above.

[swathdiver]

His front differential is open, not a posi or a locker.

 

I would go somewhere else and have the alignment and rack and pinion checked, preferably a dealership that is familiar with these trucks.