United States 81V095000
General Motors, LLC
The problem
UNDER CERTAIN CONDITIONS, THE REAR BRAKES COULD LOCK UP WITHOUT PRIOR WARNING DURING HIGH DECELERATION BRAKING. THE PROBLEM MAY BE CAUSED BY DEFECTIVE PROPORTIONER VALVES IN THE BRAKING SYSTEM.
What owners should do
THE DEALER WILL INSPECT THE BRAKE SYSTEM PROPORTIONER VALVES AND IF NECESSARY INSTALL NEW VALVES.
Units 47371