Mustang Bullitt Forum banner
1 - 1 of 1 Posts

·
Registered
Joined
·
317 Posts
At your next scheduled oil change. Tell the service manager to add Friction Modifier to your rear differential and it will go away.

Mine would whine after I ran the car hard and I would make a slow 90 degree turn. I had them put the friction modifier in and it doesnt do it anymore.
 
1 - 1 of 1 Posts
Top