2011 cts v rear end whine - ZR-1 Net Registry Forums

Vetman · 03-17-2017

Cts v forum is not very active so I will try with u guys knowing the massive knowledge base. I have a 2011 cts v. Most of the second generation cts v cars have a whine in the rear differential when under very light load between 40 and 65 mph. Differential is german made and can't be repaired. Just replace and usually get the same noise after being hammered a few times. Did the third generation cts v get it corrected and if so will it bolt in?

Also is there an oil which might reduce the whine?

03-17-2017	#1
Vetman Join Date: Feb 2013 Location: Yakima Washington Posts: 401	2011 cts v rear end whine Cts v forum is not very active so I will try with u guys knowing the massive knowledge base. I have a 2011 cts v. Most of the second generation cts v cars have a whine in the rear differential when under very light load between 40 and 65 mph. Differential is german made and can't be repaired. Just replace and usually get the same noise after being hammered a few times. Did the third generation cts v get it corrected and if so will it bolt in? Also is there an oil which might reduce the whine? __________________ Jim 1990 Z # 2441 1959 c-1 230 HP 4 speed frost blue/silver 3 owner 2011 cts-v 556 HP, manual 6 speed 1955 chev 2dr ht PP 265 3 speed w/OD Last edited by Vetman; 03-17-2017 at 11:32 PM.