Buick Rendezvous Differential Gear Oil

Had The Fluid Replaced In The Rear Differential,about A Week Later Now It Will Lock Wheels Up. Sounds Like The Noise Is Coming From The...

How Do I Checks The Fluid In The Rear End And How Do I Add Fluid You Manaul Does Not Show This Or I Do Not Know How To Yous Site

What Type Of Rear End Fluid Do I Use For This Vehicle?

I Hear A Noise When I Turn The Wheels Left Or Right At Slow Speed. Gm Diagnois -possible Moisture In The Differential. Suggest Change...