2015 Gmc Sierra 1500 Suspension Problems

Your truck is making a loud clunking noise while driving. Two repair shops have already worked on it but installed incorrect parts, which didn't fix the problem. Since you bought it used from a dealership that sold it as-is, you may need to have a suspension specialist diagnose which parts are actually causing the noise and replace them with the correct ones.

The mount for the rear shock absorber has completely rusted away on the driver side. The tube is gone now that it was attached to. This is a way to new of a truck for that kind of rust to happen I have been around 40 year old trucks that this never happened to.

Cross member holding file tank rusted through causing the fule tank to not be supported and shock mounts no longer support the shocks to frame causing shocks to bounce around with possibility to puncher fule tank or lines Also rear cross member that holders electrical components rusts off Excessive rust on top of fule tank causing a inability to make repairs without replacing fule tank in entirety

The component or system failed was the transmission 4 different times. A new transmission was put in the car just 6 months after purchasing from a dealer. The transmission lasted close to 3 years being shy only a few days before the transmission warranty expired. So a new transmission was provided by the transmission owner at no additional cost for the transmission but we had to pay $1600 out of pocket for labor. That transmission lasted for 2 months before failing again which caused us to have the truck towed to our home to decide what our next step would be. So we had it towed to Tire max and they put in another transmission by the same manufacturer which we only had 2 days left under the warranty. That transmission failed within 2-3 days so we took it back to a different Tire Max location and they put in another transmission which did not cost anything for us by the manufacturer including labor. This transmission has now been in good standing since 12/20/23.

TL* THE CONTACT OWNS A 2015 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE RIDE QUALITY WAS VERY ROUGH. THERE WERE NO WARNING LIGHTS ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE CONTACT WAS INFORMED THAT THE AIR SUSPENSION SYSTEM NEEDED TO BE REPAIRED. ADDITIONALLY, THE CONTACT WAS ALSO INFORMED THAT THE FRONT STRUTS AND REAR SHOCKS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE LOCAL DEALER AND MANUFACTURER WERE NOT CONTACTED. THE FAILURE MILEAGE WAS 69,000.

I BEGAN TO HEAR WHAT SOUNDED LIKE LOOSE REAR SUSPENSION COMPONENTS ABOUT A YEAR INTO OWNING THE TRUCK. I TOOK IT IN FOR SERVICE AND WAS ADVISED THAT PER THE GM SERVICE BULLETIN, THEY RE-TORQUE THE LEAF SPRING BOLTS. IT WAS FINE FOR A COUPLE OF MONTHS, THEN THE NOISE BEGAN AGAIN. IT'S NOW BEEN TO THE DEALER 4 TIMES WITH 11 DAYS OUT OF SERVICE. THE RESPONSE CONTINUES TO BE, THEY'VE RE-TORQUED THE BOLTS TO GM SPECS AND NOTHING ELSE THEY CAN DO. IT'S VERY CLEAR BY THE NOISE THAT CAN BE HEARD, BOTH WHILE MOVING FORWARD AND BACKING IN, SOMETHING IS NOT WITHIN SPECS. THE TRUCK IS UNDER WARRANTY AND I AM A COUPLE OF MONTHS OVER ON LEMON LAW ARBITRATION. GM IS DOING NOTHING TO ADDRESS WHAT COULD EASILY BE A SAFETY ISSUE AND I'M CONCERNED THAT THE BOLTS CONTINUALLY NEED TO BE RE-TORQUED. I'VE TAKEN TO ONLINE FORUM SEARCHES TO FIND THAT THIS IS A COMMON PROBLEM WITH A SIMILAR TAP DANCE DONE BY GM. IT'S SHAMEFUL THAT CONSUMERS ARE BUYING A $40K TO $70K TRUCK AND HAVING THESE ISSUES WITH NO SOLUTIONS BEING PROVIDED THROUGH THE TRUCK WARRANTY. AND WHEN THE WARRANTY RUNS OUT, HOW EXPENSIVE WILL THIS BE? NOT TO FORGET, DANGEROUS. I AM CONCERNED THAT ONE DAY, THE REAR-END IS GOING TO COME OUT FROM UNDER MY TRUCK AND HOPEFULLY IT'S NOT WHILE ON THE HIGHWAY WITH MY DAUGHTER IN THE TRUCK. MY TRUCK IS USED FOR MY DAILY COMMUTE TO AND FROM WORK. IT'S WELL MAINTAINED, NOT ABUSED AND HAS UNDER 20K MILES. I'VE TURNED TO BBB FOR HELP AND WAS OFFERED 2 YEARS OF OIL CHANGES BY GM. OIL CHANGES DON'T FIX THE PROBLEM!

LETTER FROM SENATOR FEINSTEIN INQUIRY ON BEHALF OF CONSTITUENT IN REGARDS TO HAVING PROBLEMS WITH GMC SIERRA DENALI PICKUP 2015. *LD THE CONSUMER STATED THE VEHICLE HAS HAD MULTIPLE ISSUES WITH THE SUSPENSION, TRANSMISSION, AND ELECTRONICS. THE VEHICLE WOULD RIDE ROUGH AND THE STABILITY LIGHT WOULD ILLUMINATE. THE TRANSMISSION NEEDED TO BE REPLACED. THE ELECTRONIC DASH BLACKED OUT AND WOULD NOT FUNCTION, THE SETTIGNS SWITCHED ON THEIR OWN. THE VEHICLE DIED AND SHIFTED DANGEROUSLY. THE MANUFATURER WAS NOTIFIED. THE CONSUMER A FIX WAS UNAVAILABLE. UPDATED 08/09/2017*JS

THE REAR LEAF SPRINGS POP AND GROAN WHILE THE VEHICLE IS IN MOTION AT LOW SPEEDS, ESPECIALLY WHILE TURNING IN REVERSE. GM KNOWS ABOUT THE PROBLEM AND EVERY TIME I GO TO THEM THEY SAY IT'S NORMAL.

TL* THE CONTACT OWNS A 2015 GMC SIERRA 1500. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE BEGAN TO SQUEAK AND SHAKE. THE VEHICLE WAS TAKEN TO FERGUSON GMC IN NORMAN, OKLAHOMA TWICE WHERE ROUTINE SERVICE WAS PERFORMED. IT WAS DIAGNOSED THAT DIRT AND DEBRIS BETWEEN THE LEAF SPRINGS CAUSED SQUEAKING NOISES. THE DEALER CLEANED AND LUBRICATED THE LEAF SPRING PADS AND STATED THAT THE NOISE WAS NOT PRESENT AFTER THE INITIAL REPAIR. UPON TAKING A TEST DRIVE, THE NOISE FROM THE LEAF SPRINGS ENSUED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND STATED THAT THE VEHICLE OPERATED THE WAY IT WAS DESIGNED. IN ADDITION, THE MANUFACTURER STATED THAT ONCE THE VEHICLE WAS OUT OF WARRANTY, THE FAILURE WOULD BE CONSIDERED A MANUFACTURER'S DEFECT FOR WHICH THE CONTACT WOULD BE FINANCIALLY RESPONSIBLE. AN UNKNOWN TSB WAS ISSUED REGARDING THE FAILURE. THE FAILURE MILEAGE WAS 24,000.

MY TRUCK SUFFERS FROM VIBRATION PROBLEMS, THE SAME THING THAT 10,837 OTHER POSTS FROM OTHER PEOPLE SUFFERING THE SAME PROBLEM ARE TALKING ABOUT ON THIS FORUM. HTTP://WWW.GM-TRUCKS.COM/FORUMS/TOPIC/153186-SHAKE-OR-VIBRATION-ISSUES/PAGE-723 THIS FORUM HAS BEEN VIEWED OVER 1.5 MILLION TIMES WHICH MEANS A TON OF PEOPLE ARE HAVING THIS ISSUE. THIS IS ABSOLUTELY A RISK TO MOTOR VECHICLE SAFETY AND ABSOLUTELY EXISTS IN A GROUP OF VECHICLES OF THE SAME DESIGN OR MANUFACTURE. THE PROBLEMS THIS SHAKE PRESENTS THAT POSE A DANGER ARE VIBRATIONS SO SIGNIFICANT THAT IT CAN CAUSE DRIVER DISTRACTION, FATIGUE ON LONG TRIPS, POTENTIAL LOSS OF CONTROL, NOT TO MENTION LONG TERM HEALTH EFFECTS FROM VIBRATION EXPOSURE. THE HEALTH EFFECTS DEFINED ARE AS FOLLOWS: "THE EFFECTS OF WHOLE BODY VIBRATION (WBV) HAVE BEEN STUDIED EXTENSIVELY IN OCCUPATIONAL MEDICINE. IN PARTICULAR, IT HAS BEEN SHOWN THAT WHEN THE BODY UNDERGOES CHRONICALLY TO WHOLE BODY VIBRATIONS SPINAL DEGENERATION IS LIKELY TO BE ONE OF THE DELETERIOUS OUTCOMES. LOW BACK PAIN HAS BEEN SHOWN TO BE THE LEADING MAJOR CAUSE OF INDUSTRIAL DISABILITY IN THE POPULATION UNDER THE AGE OF 45 YEARS AND HAS BEEN LINKED TO WHOLE BODY VIBRATION EXPOSURE ENCOUNTERED IN SOME INDUSTRIAL SETTINGS. WHOLE BODY VIBRATION HAS BEEN RECENTLY PURPOSED AS AN EXERCISE INTERVENTION SUGGESTING ITS EFFECTIVENESS IN INCREASING FORCE-GENERATING CAPACITY IN LOWER LIMBS AND LOW BACK. IT HAS ALSO BEEN REPORTED TO BE AN EFFECTIVE NON-PHARMACOLOGICAL INTERVENTION FOR PATIENTS WITH LOW BACK PAIN. RELATIVELY SHORT EXPOSURE TO WHOLE BODY VIBRATION HAS BEEN ALSO SHOWN TO INCREASE THE SERUM LEVELS OF TESTOSTERONE AND GROWTH HORMONE. THE COMBINED EFFECTS ON THE NEUROMUSCULAR SYSTEM AND ENDOCRINE SYSTEM SEEM TO SUGGEST ITS EFFECTIVENESS AS A THERAPEUTIC APPROACH FOR SARCOPENIA AND POSSIBLY OSTEOPOROSIS."

I BOUGHT THE VEHICLE NEW IN 9/2015. I REPORTED A VIBRATION BETWEEN 75-80MPH TO THE NEARBY GM DEALER (TWICE). THE DEALER KEPT THE TRUCK FOR A FEW DAYS AND STATED THEY COULD NOT CORRECT THE PROBLEM. I TOOK THE TRUCK BACK TO THE ORIGINAL DEALER WHERE I BOUGHT IT, THEY DID A ROAD FORCE BALANCE ON THE TIRES AND REPORTED THE PROBLEM FIXED. I TOOK THE TRUCK BACK TO THE ORIGINAL DEALER AT 13K MILES, THEY KEPT THE TRUCK FOR A FEW DAYS AND REPORTED THE TIRES NEEDED TO BE REPLACED. THEY REPLACED THE TIRES AND STATED THE VIBRATION HAS BEEN RESOLVED. I DROVE THE TRUCK FOR ANOTHER 3K MILES AND NOTICED THAT THE VIBRATION WAS STARTING UP AGAIN. AT 18K MILES, I RETURNED THE TRUCK TO THE ORIGINAL DEALER AND THEY ARE GOING TO TRY AND RESOLVE THE PROBLEM A 5TH TIME.

VEHICLE HAS A PULSING VIBRATION BETWEEN 45 AND 68 MPH. STARTED AT 3000 MILES. VEHICLE IS NOW AT 7500 MILES AND VIBRATION IS GETTING WORSE

TRUCK STARTS TO VIBRATE AT 60 MPH AND GETS WORSE THE FASTER YOU GO.

WHEN AT SPEEDS OF ROUGHLY 50MPH SEATS VIBRATE. TRUCK HAS ROUGHLY 3000MILES AND THE FRAME, REAREND AND OTHER UNDERBODY COMPONENTS HAVE ALOT OF SURFACE RUST

TL* THE CONTACT OWNS A 2015 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THERE WAS AN ABNORMAL VIBRATION IN THE CABIN OF THE VEHICLE. THE VEHICLE WAS TAKEN TO A DEALER TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE REAR SUSPENSION NEEDED TO BE REPLACED AND THE TIRE NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 4,200. THE VIN WAS NOT AVAILABLE.

TL* THE CONTACT OWNS A 2015 GMC SIERRA 1500 EQUIPPED WITH BRIDGESTONE TIRES, TIRE LINE: DUELER H/T 684 II, AND TIRE SIZE: P255/70R17 (N/A). THE CONTACT STATED THAT THE REAR DRIVER SIDE TIRE HAD LARGE PIECES OF TREAD DETACHING FROM THE CENTER OF THE TIRE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE TIRES NEEDED TO BE REPLACED AND THE FAILURE WAS UNDETERMINED. THE TIRES WERE NOT REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE OF THE TIRE AND THE VEHICLE WAS 2,416.