181 of the
4,896 complaints filed about the GMC Sierra
are about the fuel system —
4% of everything owners reported.
The worst model year for it is 1999.
The contact owns 2015 GMC Sierra 1500. The contact stated that while driving on several occasions at various speeds, the vehicle lost motive power. The contact stated that the check engine warning light was illuminated for approximately a month. The vehicle was taken to an independent mechanic and the contact was informed the high-pressure fuel pump was leaking fuel into the crank case, and the high-pressure fuel pump needed to be replaced. The vehicle was repaired; however, the failure reoccurred approximately 1 year and 5 months later. The vehicle was taken to an independent mechanic where it was diagnosed and determined that the high-pressure fuel pump needed to be replaced. The vehicle was repaired. The contact stated that on several occasions while driving at various speeds, there was a loud sound coming from the engine compartment. The vehicle was towed to an independent mechanic where it was diagnosed that the fuel injectors on one side of the engine were not working properly, and that the fuel injectors needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 178,137.
NHTSA complaint #11657768 — an unverified report by a vehicle owner.
TL* THE CONTACT OWNS A 2017 GMC SIERRA. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER: 19V088000 (FUEL SYSTEM) EXCEEDED A REASONABLE AMOUNT OF TIME FOR REPAIR. THE CONTACT RECEIVED THE RECALL NOTICE IN FEBRUARY OF 2019. SPRINGFIELD BUICK GMC (431 RIVER ST, NORTH SPRINGFIELD, VT 05150) STATED THAT THE PARTS WERE UNAVAILABLE TO PERFORM THE REPAIR. THE MANUFACTURER WAS ALSO CONTACTED AND CONFIRMED THAT THE PARTS WERE UNAVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
NHTSA complaint #11187499 — an unverified report by a vehicle owner.
RECALL SUBJECT: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY REPORT RECEIPT DATE: 04-05-1994 NHTSA CAMPAIGN: 94V044001 MANUFACTURE: GENERAL MOTORS CORP. SUMMARY: VEHICLES ALTERED BY PAS, INC. HAVE COMPRESSED NATURAL GAS FUEL TANKS THAT CAN DEVELOP STRESS CORROSION, WHICH CRACK THE E-GLASS WRAPPING. THIS STRESS CORROSION CRACKING CAN LEAD TO TANK RUPTURES. CONSEQUENCE: IF THE TANK RUPTURES, PERSONAL INJURY TO INDIVIDUALS IN OR NEAR THE VEHICLE MAY OCCUR. REMEDY: GM IS OFFERING TO EXCHANGE THESE VEHICLES WITH A COMPARABLY EQUIPPED 1994 GASOLINE 1/2 OR 3/4 TON GM PICKUP. IF THE OWNER CHOOSES NOT TO EXCHANGE THE NATURAL GAS VEHICLE, GM WILL REPURCHASE THE VEHICLE.
NHTSA complaint #11044458 — an unverified report by a vehicle owner.
RUSTED OUT/ CORRODED BRAKE LINES BURST WHILE STOPPING FOR A DEER RUNNING OUT ON THE ROAD. WAS WARNED OF THIS PROBLEM UPON PURCHASE OF THE VEHICLE IN 2010 AND PERSONALLY COATED ALL BRAKE LINES B4 WINTER EVERY YEAR...NEVER SAW WORSE LINES! I OWN CLASSIC CARS THAT ARE TWICE AS OLD WITH SHINEY ORIGINAL BRAKE LINES. THE FUEL LINES ALSO ROTTED OUT SPILLING FUEL OVER THE TOP OF THE FUEL TANK AND ON THE GROUND WHILE FILLING UP. ALL FUEL LINES AND FUEL PUMP CONNECTIONS WERE SEVERELY ROTTED. WORST I HAVE SEEN. DASH CONSISTENTLY CHANGES LANGUAGES RENDERING ODOMETER NON FUNCTIONAL. SPEEDOMETER IS INACCURATE SOME TIMES NOT EVEN WORKING ESPECIALLY ON COLD DAYS. HMMMM ROTTED BRAKES+NO SPEEDOMETER+LEAKY FUEL LINES=CRASH,BANG BOOM!..AND I HAVE A CAR SEAT IN MY VEHICLE! LUCKLY I PERFORM PREVENTATIVE MAINTENANCE AND DRIVE SAFELY. STILL WONDER HOW THESE ISSUES GOT SWEPT UNDER THE RUG.
NHTSA complaint #10818811 — an unverified report by a vehicle owner.
TL* THE CONTACT OWNS A 2013 GMC SIERRA. THE CONTACT STATED THAT THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO BOTH AN INDEPENDENT MECHANIC AND THE DEALER TO BE DIAGNOSED. THE TECHNICIANS INFORMED THE CONTACT THAT THE DIESEL RELUCTANT TANK ASSEMBLY WOULD HAVE TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 111,000.
NHTSA complaint #10818758 — an unverified report by a vehicle owner.
THE TBS GOES OUT. PUTTING THE TRUCK INTO REDUCED POWER. I WAS GOING 65 MPH AND THE TRUCK SLOWED DOWN TO 15 MPH ON THE FREEWAY. LOSE ALL BREAKS CONTROL , ABS GOES OUT TO. ALMOST HAVE BEEN DUE TO GM
NHTSA complaint #10817766 — an unverified report by a vehicle owner.
TL* THE CONTACT OWNS A 2009 GMC SIERRA. THE CONTACT STATED THAT WHILE DRIVING AT 40 MPH, THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHO DIAGNOSED THAT FUEL INJECTOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 27,844. UPDATED 02/19/16*LJ; UPDATED 05/02/18
NHTSA complaint #10807813 — an unverified report by a vehicle owner.
GMC REPLACED ALL 8 FUEL INJECTORS UNDER WARRANTY AT 95,000 MILES. SAME PROBLEM AGAIN AT 135,000 AND WILL NOT COVER THEM. ESTIMATED $5,500 TO REPLACE BY CONSUMER WITH ONLY A 12 MONTH WARRANTY. CREATES POOR FUEL ECONOMY, EXCESSIVE SMOKE AT IDLE AND WILL NOT PASS SMOG IF NOT CORRECTED.
NHTSA complaint #10787134 — an unverified report by a vehicle owner.
ISSUES WITH EMISSIONS SWITCH. CHECK ENGINE LIGHT WILL NOT GO OFF. ALSO 3 AND 4TH GEAR ARE COMPLETELY GONE OUT. I DO NOT TOW OR HAVE HAD ANYTHING EVEN REMOTELY HEAVY IN THIS TRUCK. IT'S A 2005 GMC SIERRA WITH ONLY 78,480 MILES ON IT. I AM NOT THE ONLY ONE HAVING ISSUES WITH THIS 4 SPEED TRANSMISSION. IT IS NOT HEAVY DUTY ENOUGH FOR THIS SIZE TRUCK. GM NEEDS TO RECALL ALL OF THESE TRANSMISSIONS. WHEN IT FIRST STARTED SLIPPING I LOST ALL POWER GOING DOWN THE ROAD AT ABOUT 55MPH. THE VEHICLE THAT WAS BEHIND ME SLAMMED ON HIS BRAKES TO AVOID HITTING ME. THIS PROBLEM WITH THE TRANSMISSION IS GOING TO KILL SOMEONE.
NHTSA complaint #10782566 — an unverified report by a vehicle owner.
VEHICLE RANDOMLY AND REPEATEDLY SHIFTS INTO NEUTRAL FROM DRIVE, WITOUT ANY INPUT FROM DRIVER, DURING NORMAL DRIVING CONDITIONS. VEHICLE RANDOMLY AND REPEATEDLY LOSES ACCELERATOR PEDAL CONTROL AND FUNCTIONALITY DURING NORMAL DRIVING CONDITIONS.
NHTSA complaint #10766547 — an unverified report by a vehicle owner.
TL* THE CONTACT OWNS A 2003 GMC SIERRA. WHILE DRIVING APPROXIMATELY 45 MPH, THE RPMS INCREASED TO 3,500 WITHOUT WARNING. THE DEALER DIAGNOSED THAT THE FUEL LINES WERE RUSTED, FRACTURED, AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 157,000.
NHTSA complaint #10730944 — an unverified report by a vehicle owner.
THE TRUCK WAS AVERAGING ABOUT 20 MPG BUT SHIFTING ERRATICALLY LIKE IT COULDN'T DECIDE WHAT GEAR TO BE IN. AFTER USING THE 4WD THE FIRST TIME THE MPG DROPPED OFF TO ABOUT 17 AND HAS BEEN DECLINING STEADILY CURRENTLY I GET 14 TO 15 MPG AND DRIVE 150 MILES PER DAY MOSTLY HIGHWAY. I HAVE TAKEN IT BACK TO THE DEALER TWICE THEY SAID THE COMPUTER COULDN'T GET USED TO MY DRIVING STYLE AND REPROGRAMMED THE COMPUTER. WHEN I TOOK IT BACK ABOUT THE MILEAGE A GUY CAME OUT AND SAID HE COULD TELL IF SOMETHING WAS STUCK AND SWITCHED THE 4WD A FEW TIME AND SAID IT WAS FINE. MY MPG IS GETTING WORSE AND IT SLAMS IN AND OUT OF GEAR 2-3 TIMES IN A MATTER OF SECONDS WHILE SUSTAINING A STEADY HIGHWAY SPEED ON A FLAT SURFACE.
NHTSA complaint #10676277 — an unverified report by a vehicle owner.
ENGINE STOPPED RUNNING, DASH GAUGES BLANK. I MANAGED TO PULL OVER WITHOUT POWER BRAKES OR STEERING! AFTER A FEW MINUTES I WAS ABLE TO RESTART WITH "REDUCED ENGINE POWER, TRACTION CONTROL OFF, AND STABILITRAC" PROBLEMS DISPLAYED ON DASH. I WAS A MILE FROM HOME IN -10F TEMPS! I PULLED IT INTO MY SHOP. DTC CODE P2135 WHICH HAS TO DO WITH THROTTLE POSITION SENSOR. THE DEALER HAS A 2 WEEK DELAY IN GETTING INTO THEIR GARAGE! I FOUND OUT THAT THE THROTTLE BODY/SENSOR IS NOT COVERED UNDER WARRANTY. SO WITH THE COST OF A TOW (CAN'T TRUST THE TRUCK TO MAKE TO DEALER) PLUS THE PART COST, I WILL REPAIR IT MYSELF. THE REASON FOR THIS LETTER, I DISCOVERED THAT THIS HAS HAPPENED TO OTHER GMC TRUCK OWNERS. THEIR VEHICLE QUIT IN THE SAME MANNER. I THINK THAT "REDUCED POWER" IS NOT THE SAME AS NO POWER!!! I WONDER WHAT WOULD HAVE HAPPENED TO ME IF I WAS ON THE FREEWAY DURING RUSH HOURS??? BE PREPARED FOR SOME CREATIVE DRIVING!
NHTSA complaint #10669832 — an unverified report by a vehicle owner.
BEGAN TO SMELL FAINT RAW GAS FUMES AROUND THE VEHICLE IN THE SUMMER. IN THE AUTUMN MONTHS THE RAW GAS ODOR SMELL INTENSIFIED AND WAS VERY STRONG WITH AN OVERCOMING PRESENCE IN THE CABIN WHILE DRIVING. I BROUGHT THE VEHICLE TO MY SHOP FOR DIAGNOSTIC. THE MECHANIC (NON GMC GARAGE) CALLED BACK SEVERAL HOURS LATER AND SAID I HAD BEEN DRIVING A POTENTIALLY DISASTER. HE ASKED ME TO SEE FOR MYSELF. I WAS ABLE TO VIEW THIS FIRST HAND AFTER HE HAD REMOVED THE FUEL TANK FROM THE VEHICLE. THE FUEL PUMP IS MOUNTED INTO A DEEP SUMP ON THE TOP OF THE GAS TANK. THE SUMP WELL IS RATHER DEEP AND COLLECTS MUD, SILT, DEBRIS AND WATER WHILE DRIVING AND THAT COLLECTS AND BUILD UP OVER TIME INTO THE SUMP AND THAT STAYS MOIST AT ALL TIMES. OVER THE COURSE OF 6 YEARS THE FUEL PUMP HOUSING AND MOUNT RING RUSTED, ROTTED OUT AND STARTED LEAKING RAW GAS THAT WAS SPILLING ONTO THE HOT EXHAUST PIPE ALONGSIDE THE FUEL TANK. I DO NOT GO OFF ROAD WITH THE VEHICLE NOR DO I PLOW SNOW WITH IT. THE VEHICLE IS USED PRINCIPALLY IN HIGHWAY DRIVING. A FEW WEEKS LATER I WAS TALKING TO A FRIEND WHO OWNS A 2010 GMC SUBURBAN AND HE HAD THE EXACT SAME PROBLEM. I SUBSEQUENTLY WENT ON LINE, SEARCHED ON GOOGLE, AND DISCOVERED A NUMBER OF OTHER OWNERS THAT HAD THE SAME PROBLEM WITH THEIR VEHICLES. THIS IS A DESIGN FLAW IN WHICH THE TANK IS DESIGNED WITH THE DEEP CIRCULAR DEPRESSION (A PERFECT SUMP CONDITION) FOR THE MOUNTING OF THE FUEL PUMP AND WITH NORMAL ROAD DRIVING (MOST NOTABLY IN THE NORTHEAST OR NORTHWEST WHERE RAIN AND SNOW IS PREVALENT) THE SUMP WILL STAY MOIST WITH MUD AND DEBRIS COLLECTING CAUSING RUST IN THE FUEL PUMP HOUSING/MOUNTING RING.
NHTSA complaint #10668062 — an unverified report by a vehicle owner.
DEAR SIR OR MA'AM, I HAVE A 2002 GMC SIERRA TRUCK THAT I BOUGHT NEW IN 2002. THE BRAKES RECENTLY FAILED COMPLETELY WHILE MY WIFE WAS DRIVING ON OR ABOUT SEPTEMBER 26, 2014. THE BRAKE PEDAL WENT TO THE FLOOR WITHOUT SIGNIFICANT BRAKING ACTION. FORTUNATELY SHE WAS ABLE TO STOP SAFELY AND WAS NOT INVOLVED IN AN ACCIDENT. UPON EXAMINATION, THE BRAKE LINE TO THE LEFT REAR WHEEL WAS COMPLETELY RUSTED THROUGH. I EXAMINED THE REST OF THE LINES AND NOTICED THAT THE BRAKE LINES, THE TRANSMISSION COOLER LINE AND THE FUEL LINE ALL SHOW SIGNS OF MAJOR CORROSION, ESPECIALLY ALONG THE FRAME. I HAVE LESS THAN 43,000 MILES ON THIS TRUCK AND IT WAS GARAGE-KEPT THE FIRST NINE YEARS I OWNED IT. I LIVE IN KY WHERE THE ROADS ARE ONLY SALTED A FEW TIMES A YEAR. THE REST OF THE VEHICLE IS RELATIVELY RUST FREE. THE TRUCK IS UNSAFE TO DRIVE NOW. EVEN IF I PATCH THE LEAK, THE REST OF THE LINES COULD FAIL AT ANY TIME. I COULD SUFFER CATASTROPHIC BRAKE FAILURE WHILE TOWING MY BOAT OR HORSE TRAILER OR SIMPLY GOING DOWN A HILL. FURTHERMORE, THE FUEL LINES ARE UNDER CONSIDERABLE PRESSURE AND IF THEY RUPTURE, THERE COULD BE A VERY DANGEROUS FIRE HAZARD. IF THE TRANSMISSION COOLER LINES RUPTURE, I COULD HAVE A COMPLETE TRANSMISSION FAILURE. I HAVE READ THAT THIS IS A KNOWN ISSUE WITH CHEVROLET AND GMC TRUCKS FOR YEARS 1999 TO 2003 AND THAT THE NTHSA HAS LOOKED INTO THIS IN THE PAST. IF OTHER TRUCKS ARE IN THE SAME CONDITION AS MINE (AND I BELIEVE THERE ARE), THERE IS A MAJOR SAFETY PROBLEM ON THE ROADS RIGHT NOW. YET, TO DATE NO RECALL HAS BEEN ISSUED. I THINK THIS IS COURTING DISASTER. IT IS MY OPINION THAT LINES MADE WITH INFERIOR STEEL WERE USED IN THE CONSTRUCTION OF THIS VEHICLE, YET GM REFUSES TO ACKNOWLEDGE THE FACT. I URGE YOU TO LOOK FURTHER INTO THIS MATTER. THIS IS NTHSA CASE NUMBER: [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
NHTSA complaint #10644900 — an unverified report by a vehicle owner.
I WAS COMING TO A STOP AND I LOST MY BRAKES I WAS ABLE TO GET IT STOPPED. TOOK IT TO MY MECHANIC RIGHT AWAY AND WAS TOLD THE BRAKE LINE BURST AND HIT MY GAS LINE BUSTING IT AS WELL. THEY HAD THE VEHICLE FOR OVER 3 WEEKS. THEY REPAIRED THE GAS LINE EASY ENOUGH BUT THE BRAKE LINE HAD TO BE COMPLETELY REPLACED.
NHTSA complaint #10628114 — an unverified report by a vehicle owner.
ALL FUEL AND BRAKES LIKE ROTTED. THE BRAKES FAILED FOR THE SECOND TIME. ONE BRAKE LINE WAS PREVIOUSLY REPLACED APPROX. 1 YEAR AGO. BOTH TIMES VEHICLE NEEDED TO BE TOWED FOR REPAIR. TOTAL COST FOR MOST RECENT REPLACEMENT/REPAIR WAS $1202.13.
NHTSA complaint #10614754 — an unverified report by a vehicle owner.
I WROTE GM ON OCTOBER 26, 2013 ABOUT MY 2003 GMC SIERRA DURAMAX DIESEL 6.6L 6L THAT JUST RECENTLY STARTED BILLOWING BLUISH BLACK SMOKE CONSTANTLY FROM THE EXHAUST AND COSTING AN EXORBITANT AMOUNT OF MONEY IN GAS. I TOOK IT TO THE DEALER (QUALITY BY DILORENZO IN ALBUQUERQUE, NEW MEXICO) AND THEY INFORMED ME THAT THERE WAS A BULLETIN ISSUED IN OCTOBER 2006 FOR LEAKING FUEL INJECTORS. THEY DIAGNOSED MY TRUCK WITH THE EXACT FUEL INJECTOR PROBLEM. THE TRUCK ONLY HAS 83,502 MILES ON IT AND I'VE BEEN INFORMED THAT THE NEXT TIME I TAKE IT FOR AN EMISSIONS TEST (A REQUIREMENT IN NEW MEXICO) IT WILL FAIL. I FINALLY SAVED UP ENOUGH MONEY TO GO AN OUTSIDE REPAIR SHOP ON JULY 15, 2014 TO GET MY FUEL INJECTORS REPLACED AND THE TOTAL CAME TO $4763.78. I FOUND OUT THAT THERE WERE TWO STRIPPED BOLTS INDICATING THAT THE FUEL INJECTORS WERE PREVIOUSLY REPAIRED (ADDITIONAL COST OF$12 EACH TO REPLACE THE 8 BOLTS). I CALLED THE ORIGINAL OWNER AND HE TOLD ME THAT THE INJECTORS WERE REPAIRED UNDER THE ORIGINAL BULLETIN (04039) IN JUNE 2005 AT TILLERY MOTORS IN BELEN NM. THEREFORE, THE FUEL INJECTORS WERE NEVER REALLY REPAIRED PROPERLY IN THE FIRST PLACE. I HAVE SPOKE TO ANOTHER WOMEN ([XXX]) AT THE GM CUSTOMER SERVICE CENTER. SHE IS AGAIN ELEVATING THIS ISSUE TO A SPECIALIST UNDER GM ID [XXX] FOR REIMBURSEMENT OF THE TOTAL COST (STANDARD 24-48 HOUR CALL BACK). INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
NHTSA complaint #10611064 — an unverified report by a vehicle owner.
THE FUEL LINES ARE RUSTED THROUGH SPRAYING FUEL TO UNDER SIDE OF TRUCK. THE LINES RUSTED THROUGH WHILE DRIVING FIFTEEN HOURS STRAIT FROM FLORIDA. IF THE FUEL WOULD HAVE HIT THE TAIL PIPE OR DIESEL PARTICULET FILTER WHEN REGENERATING, THERE COULD HAVE BEEN A SERIOUS FIRE. I HAVE BEEN THROUGH AN EXPLOSION AT WORK AND KNOW WHAT IT IS LIKE TO BE BURNED. I ONLY DROVE THIS TRUCK DAILY TWO WINTERS BEFORE I GOT HURT AND LAST WINTER IT WAS IN FLORIDA. I HAVEN'T EVEN CHANGED THE FRONT BRAKES YET BUT THE FUEL LINES ARE SHOT. SHAME ON GM AND SHAME ON NHTSA FOR NOT ADDRESSING THIS. YOU BOTH KNOW THERE IS A PROBLEM WITH BRAKE AND FUEL LINES. HOW MANY PEOPLE NEED TO DIE OR GET HURT OR HOW MANY NOT EVEN REPORTED HAVE BEEN TOUCHED BEFORE YOU ACT. AND BY THE WAY I HAVE A MECHANICS DEGREE FROM YEARS AGO BUT AM NOT A PRACTICING MECHANIC.
NHTSA complaint #10597507 — an unverified report by a vehicle owner.
2005 GMC SIERRA Z71. I AM THE ORIGINAL OWNER. THIS VEHICLE HAS 18K MILES, YES 18 THOUSAND ORIGINAL MILES. THIS TRUCK DOES NOT GET BEAT ON AT ALL, NO OFF ROAD ETC, AND IT HAS BEEN WELL TAKEN CARE OF SINCE NEW. THERE IS A RUST ISSUE WITH THESE TRUCKS. ON 5-19-2014, ON MY WAY TO THE CAR WASH MY BRAKES STARTED TO FEEL VERY SOFT AND THE TRUCK WAS NOT STOPPING. I CHANGED ROUTES TO MY MECHANICS SHOP, AND WHILE EN ROUTE LOST THE REAR BRAKES. I THANKFULLY ARRIVED (DRIVING VERY SLOWLY) TO THE FRONT OF HIS SHOP. I GOT OUT AND SAW A PUDDLE OF BRAKE FLUID LEAKING OUT OF THE REAR END BRAKE LINES REAR LINES WERE COMPLETELY RUSTED. HE INSPECTED THE VEHICLE, AND AS IF THIS WASN'T ENOUGH, INFORMED THAT THE TRANSMISSION LINES WERE ALSO LEAKING (RUSTED). MECHANIC ADDED THAT I SHOULD BE PREPARED FOR THE FUEL LINES TO RUST THROUGH NEXT. THIS LINE REPLACEMENT JOB WILL COST ME ABOUT 2K. NOT TO MENTION THE ISSUE WITH THE LOWER ROCKERS AND CAB CORNERS RUSTING. THAT ESTIMATED IS FOR ANOTHER 2K. I PURCHASED THIS TRUCK TO LAST ME, AND APPARENTLY GM DOES NOT BUILD A QUALITY PRODUCT ANYMORE. THERE A NUMEROUS COMPLAINTS ABOUT THIS ISSUE, AND GM REFUSES TO ACKNOWLEDGE THE PROBLEM. VERY UNHAPPY!
NHTSA complaint #10592671 — an unverified report by a vehicle owner.