ANTILOCK FEATURE OF BRAKES WILL NOT ENGAGE ON ICE/SNOW UNLESS BRAKES ARE SLAMMED HARD. AT LEAST THREE TIMES, I HAVE SLID SLOWLY THROUGH AN ATTEMPTED STOP. IT HAS ALSO OCCURRED TWICE WHILE GENTLY BREAKING WHILE TRAVELING DOWNHILL. THE WHEELS LOCK UP AND VEHICLE GOES INTO A SLIDE. IT CONTINUES TO HAPPEN, BUT NOW I KNOW TO SLAM THE BRAKE PEDAL, AND THE ANTILOCK FEATURE WILL THEN OPERATE AND TERMINATE THE SKID AND STOP THE VEHICLE. *TR
2013
POWER TRAIN
THIS IS THE SECOND VOLT I OWNED IN A YEAR THAT EXHIBITED THIS ISSUE. UPON BRAKING AND PASSIVE DECELERATION THE CAR MAKES A LOUD AUDIBLE WHINING NOISE COMING FROM THE ENGINE COMPARTMENT. THE DEALER STATES IT IS A REGENERATIVE BRAKE BEARING FAILURE. THIS ISSUE IS RELATED TO THE BEARING CAGE FAILING CAUSING THE BEARING TO LOSE ITS INTEGRITY. HTTP://GM-VOLT.COM/FORUM/SHOWTHREAD.PHP?17877-LOUD-WHINING-DURING-REGEN. *TR