Rear Axle Chatter Type Noise on Low Speed Turns :
10-12 Camaros with Limited-Slip Differential (RPO G80)
Replace both rear axle shaft seals, drain/refill the differential with new fluid, GM P/N 88862624
Just had this service done to my SS, was told that the EPA back in 2008
band zinc from Synthetic oils, but now GM has the ok to add a limited-slip additive (friction modifier) to the differential fluid.
Obama and his environmental geeks
