I HAVE A 2012 CHEVY SONIC LT AUTOMATIC WITH THE 1.8 LITER. THE CAR STARTED HAVING PROBLEMS AROUND 45,000 MILES AND HAS GOTTEN WORSE OVER TIME.THE CAR ON COLD START UPS HAS A GRINDING SOUND. THIS GRINDING MOST OF THE TIME ONLY HAPPENS ON COLD START UPS BUT DOES AT TIMES HAPPENS ON WARM START UPS. THIS SOUNDS LIKE METAL AGAINST METAL AND IT RATTLES. THIS SEEMS TO HAPPEN UNTIL THE CAR IS FULLY STARTED AND RUNNING. I AM GETTING CONCERNED BECAUSE IT IS GETTING WORSE AND LOUDER. *TR
2013
POWER TRAIN
THE A/C DOES NOT WORK GOOD WHILE THE CAR IS AT IDLE. WHEN DRIVING THE CAR THE A/C WILL BEGIN TO COOL. WHEN DRIVING ON THE HIGHWAY AND I HAVE TO BREAK IT STARTS TO BLOW WARMER AIR. WHEN STOPPED AT A RED LIGHT, STOP SIGN, THE A/C WILL STOP COOLING AND BLOWS WARM AIR OUT OF THE VENTS. I WENT TO THE DEALERSHIP AND DO NOT KNOW HOW TO FIX THE PROBLEM. TOLD ME THAT THE MECHANIC/TECHNICIAN COULD NOT FIND ANYTHING WRONG. THE DEALERSHIP IS NO HELP AND I JUST WANT MY 17000 CAR AC TO WORK NORMAL/ RIGHT. 2013 CHEVY SONIC 2LT MODEL WITH A 6 SPEED AUTO TRANSMISSION. PLEASE HELP THANKS! *TR