2016 GMC SIERRA 1500 Complaints

HAD TO REPLACE VACUUME PUMP AFTER INTERMITTENT BRAKE FAILURE AT SLOW SPEEDS WITH ONLY 38,000 MILES ON THE TRUCK. BRAKE FAILURE WOULD OCCUR WITHOUT WARNING. DEALERSHIP DIAGNOSED THE ISSUE AFTER TESTING HE VACUUME PUMP, WHICH WAS READING 6 PSI. WAS TOLD THERE HAVE BEEN NO RECALLS FOR THIS ISSUE.

SEVERAL TIMES I'VE EXPERIENCED WEAK BRAKING A DIFFERENT SPEEDS OR WHILE SHIFTING FROM PARKING. I ALSO EXPERIENCE THE BRAKES NOT FULLY DEPRESSING AFTER I STEP ON THE BRAKES. I TOOK MY VEHICLE FOR A BRAKE INSPECTION THINKING I MAY NEED NEW BRAKES AND WAS TOLD BY THE INSPECTOR THAT THE PADS ARE NOT THE ISSUE, HE TOLD ME HE HAS NEVER SEEN AN ISSUE SIMILAR TO WHAT IS GOING ON WITH MY TRUCK AND INSTRUCTED ME TO TAKE IT TO THE DEALERSHIP. WHEN I CONTACTED THE DEALERSHIP THE SERVICE ADVISOR TOLD ME THAT IT SOUNDS LIKE I JUST NEED TO REPLACE THE BRAKE PADS AND ROTORS AND TOLD ME THAT HE DOESN'T BELIEVE THERE'S AN UNDERLYING ISSUE BASED ON WHAT I WAS TOLD AT THE OTHER SERVICE CENTER. ANY ISSUES WITH BRAKING COMPONENTS SHOULD BE ADDRESSED IMMEDIATELY BY THE MANUFACTURER BEFORE PEOPLE GET HURT OR SOMEONE IS KILLED.

TL* THE CONTACT OWNS A 2016 GMC SIERRA 1500. WHILE DRIVING 65 MPH IN STOP AND GO TRAFFIC, THE CONTACT DETECTED A SHUTTER AND HEARD AN ABNORMAL NOISE WHEN SHIFTING GEARS. THE VEHICLE WAS TAKEN TO MARTY'S BUICK GMC (5 KINGSTON COLLECTION WAY, KINGSTON, MA 02364, (781) 948-9098) WHERE THE TRANSMISSION WAS REPROGRAMMED AND FLUSHED. THE VEHICLE WAS THEN TAKEN TO BEST CHEVROLET (128 DERBY ST, HINGHAM, MA 02043, 866-208-7873) WHERE THE CONTACT WAS INFORMED THAT THE CAUSE OF THE FAILURE COULD NOT BE DETERMINED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 96,794.

TRANSMISSION SHIFTS ABRUPTLY AND TORQUE CONVERTER CAUSES SHUDDER AT HIGHWAY SPEEDS. TRUCK HAS BEEN SERVICED TWICE FOR THE SAME ISSUE BY DEALER AND DEALER RECENTLY TOLD ME PROBLEM IS UNRESOLVABLE.

I WAS DRIVING DOWN ROAD AND BACK DRIVERS SIDE WINDOW EXPLODED. MY GRANDDAUGHTERS WERE SITTING IN THEIR CAR SEATS AND WERE SHOWERED WITH GLASS. THE WINDOW LITERALLY BLEW UP. I CALLED DEALER, HE SAID HE'S NEVER HEARD OF SUCH A PROBLEM. I FOUND SEVERAL COMPLAINTS ON MY GMC FORUM PAGE AND WXYZ 7 IN DETROIT, MI. HAS RUN STORIES ON THIS PROBLEM.

SUSPENSION ISSUE, RANDOM VIBRATION AT SPEEDS OVER 65 MPH THAT COME AND GO. SAME SITUATION AS WHAT OCCURS IN THIS YOUTUBE VIDEO. HTTPS://WWW.YOUTUBE.COM/WATCH?V=R7R85U1RAMA

ON MULTIPLE OCCASIONS, THE BRAKES APPEARED TO LOOSE ALL BRAKE BOOSTER FUNCTION, CAUSING INCREDIBLY WEAK BRAKING AT LOW SPEEDS. TWICE IT FAILED IN A PARKING LOT SITUATION, WHERE THE EFFECT WAS MINIMAL (JUST REQUIRED PUSHING THE PEDAL WITH MAXIMUM FORCE I COULD GENERATE) THE MOST RECENT WAS A PARALLEL PARKING SITUATION WHERE THE BRAKE FAILURE ALMOST CASED A LOW SPEED COLLISION. I MISSED THE CAR BEHIND ME BY MERE INCHES!! I ADDRESS THIS WITH THE GM DEALER TWICE AND BOTH TIMES I RECEIVED "COULD NOT DUPLICATE" IT WILL BE NOTED AGAIN. THIS NEEDS TO BE ADDRESSED VIA A RECALL AS IT IS A MAJOR SAFETY ISSUE, AND IS NOT SPECIFIC TO MY TRUCK (THIS HAS BEEN DOCUMENTED ON THE INTERNET, AND THERE IS A TSB FOR IT WHICH MINE SUPPOSEDLY WAS NOT PART OF) THE PROBLEM IS LOW SPEED, AT IDLE MANUVERS WHERE THE BRAKES ARE REPLIED REPEATEDLY (LIKE PARKING). I NEVER NOTICED A PROBLEM AT ANY SPEED ABOVE CRAWL

CONSTANT VIBRATION AND OR SHAKE AT SPEEDS BETWEEN 60-70 MPH. THIS ISSUE IS COMMONLY REFERRED TO AS THE "CHEVY SHAKE" THIS ISSUE HAS BEEN EXISTING SINCE FIRST PURCHASING THIS VEHICLE. I ADDRESSED THE CONCERN WITH THE DEALERSHIP DURING MULTIPLE VISITS FOR SERVICE. AS THIS WAS MY FIRST FULL SIZE TRUCK, I WASN'T SURE WHAT TO EXPECT REGARDING HOW THE VEHICLE WOULD RIDE AT HIGHWAY SPEEDS. I WAS TOLD BY THE SERVICE DEPARTMENT THAT THE VEHICLE WAS IN TOLERANCE IN REGARDS TO HOW IT RODE AND THE CONSTANT VIBRATION. SO I EXCEPTED THIS AS BEING THE NORM AND WENT AHEAD TO ADD SOME MODIFICATIONS TO MY TRUCK. SINCE THE INITIAL COMPLAINT THE SERVICE DEPARTMENT HAS SINCE TURNED OVER MOST OF THEIR STAFF AND ADDED PEOPLE WILLING TO ADDRESS AND ACKNOWLEDGE THAT MY VEHICLE INDEED HAS THIS VIBRATION/SHAKE ISSUE. DUE TO THE MODIFICATIONS MADE THEY WILL NOT ADDRESS OR ATTEMPT TO CORRECT THIS ISSUE. HAD I PRESSED THE ISSUE IN THE BEGINNING AND NOT ACCEPTED WHAT THESE SO CALLED PROFESSIONALS HAD TOLD ME TO BE ACCEPTABLE MAYBE I WOULDN'T BE IN THIS PREDICAMENT. MY VEHICLE HAS ALSO BEEN IN FOR NUMEROUS BUCKET SEAT ISSUES FROM SAGGING AND POOR SEAT SUPPORT. EVERYTHING DESCRIBED HERE IS FACTUAL AS I HAVE ALL THE SERVICE RECORDS AND HISTORY WITH THE SAME GMC DEALERSHIP AND SERVICE DEPARTMENT IN REGARDS TO THESE PROBLEMS. LONG STORY SHORT, THESE ISSUES HAVE MADE LONG DISTANCE TRIPS ALMOST UNBEARABLE BETWEEN THE CONSTANT SHAKING AND POOR SEAT SUPPORT.

AC CONDENDOR. I AM HAVING TO REPLACE THE AC CONDENDOR ON A 2 YEAR OLD TRUCK AT A COST OF OVER $1000. TRUCK IS JUST OVER DEALER CERTIFIED WARRANTY BY 6,000 MILES WITH 54000 MILES. AFTER BEING TOLD BY DEALER THAT THIS WAS A KNOWN ISSUE AND RESEARCHING ONLINE, IT APPEARS THAT IS A COSTLY REPAIR THAT IS AFFECT LARGE NUMBERS OF OWNERS. GM HAS OFFERED EXTENDED WARRANTY ON SIMILAR VEHICLE THAT HAVE THIS ENGINE AND CONDENDOR SETUP BUT NOT INCLUDED THE SIERRA. APPEARS TO BE A KNOWN MANUFACTURER DEFECT THAT THEY ARE NOT COVERING.

TRANSMISSION - WHEN DRIVING THE VEHICLE IT DOES A HARD SHIFT WHEN ACCELERATING AND DECELERATING. I HAVE TAKEN THE VEHICLE INTO THE DEALER TWICE. THEY ARE SAYING THAT IS A "STATE OF THE ART" COMPUTER THAT NEEDS TO BE RESET!!! I AM TAKING IT BACK IN FOR A 3RD TIME. THE CARE IS 2 YEARS OLD WITH 31K MILES.