New diff?

[Dan_VX_Spac]

My diff whines when i try to do a burnout or it doesnt kick at all. Would i need to get a new/rebuilt diff or cani get the crown and pinion which will fix this?
Im really not sure just wanted to know what to do.

 

[SSbeast]

need a reco or new diff. Most likely bearings and/or pinion gears and LSD

 

[Dan_VX_Spac]

cheers for the help