Vibration till over 50.....need advice for shop

[JHarris1385]

Yeah, no vibration, just grinding while coasting at higher speeds.

[89Vette]

CV ball size too small? Road force balance to check tires? Shocks too old?

[VXorado]

Yeah, no vibration, just grinding while coasting at higher speeds.

Grease the U-Joints on the rear driveshaft if the problem is grinding & not vibration.

[Y33TREKker]

Grease the U-Joints on the rear driveshaft if the problem is grinding & not vibration.

X2