One problem related to brake fluid leak has been reported for the 2014 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2014 GMC Sierra 1500 based on all problems reported for the 2014 Sierra 1500.
Brakes loose pressure, when pressed on uphill/down hill,in reverse. Ac hose from condenser to compressor is faulty leak out all fluid.