2001 GMC Denali Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2001 GMC Denali, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Brakes620.7%
- Fuel system310.3%
- Powertrain (other)310.3%
- Engine310.3%
- Steering310.3%
- Airbags26.9%
- Electrical26.9%
- Seat belts26.9%
- Transmission13.4%
- Body & structure13.4%
- Exterior lighting13.4%
- Suspension13.4%
- Tires & wheels13.4%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
TRIED TO STOP AT RED LIGHT ,AND THE BRAKE PEDAL WENT ALL THE WAY DOWN I HAD TO JUMP THE CURB NOT TO HIT ANOTHER CAR. MY HUSBAND CAME AND LOOKED AT THE TRUCK AND SAW THE BRAKE LINES WERE RUSTED THROUGH AND FLUID WAS COMING OUT. HE PUT A WHOLE CAN OF BRAKE FLUID IN SO THAT I COULD MOVE THE TRUCK DOWN THE STREET TO A SERVICE CENTER. AGAIN THE REPAIR MAN SAID ALL THE BRAKE LINES ARE RUSTED OUT. WE REPAIRED ONE A SUMMER AGO WITH THE SAME ISSUE. *TR
BRAKE LINE RUPTURED WHILE DRIVING IN THE MALL PARKING LOT - PEDAL WENT STRAIGHT TO THE FLOOR, THANKFULLY STILL HAD SOME (TINY) BRAKE LEFT TO STOP. LOOKED UNDER THE TRUCK AND SAW BRAKE FLUID DRIPPING UNDERNEATH. ALL BRAKE LINES LOOK COMPLETELY RUSTED OUT MAKING THE VEHICLE UNDRIVABLE. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
1. VEHICLE QUIT RUNNING ON HIGHWAY EXIT RAMP. ENGINE WOULD CRANK, BUT NOT START. PUSHED TO SIDE OF ROAD. AFTER SEVERAL MORE ATTEMPTS TO START, ENGINE DID START. WOULD NOT RESTART NEXT DAY. 2. FUEL PUMP WIRING IN THE GAS TANK MELTED AND ONE TERMINAL IN THE MODULE'S CONNECTOR EXHIBITED SIGNS OF ARCING/HEAT. 3. BOTH THE FUEL PUMP/SENDING UNIT MODULE AND THE CONNECTOR WERE REPLACED. I DO HAVE POSSESSION OF BOTH PARTS. *NM
DT: THE CONTACT STATED THE TRANSMISSION SEAL WAS DEFECTIVE AFTER A CERTAIN AMOUNT OF MILES, IT ALLOWED THE COOLING SYSTEM TO LEAK INTO THE TRANSMISSION. WHEN ACCELERATING THE TRANSMISSION WOULD DOWN SHIFT INTO FIRST GEAR, THIS WOULD MAKE THE VEHICLE JUMP. THE TRANSMISSION FAILED AT AN INTERSECTION. WHEN THIS OCCURRED THE VEHICLE HAD TO BE DRIVEN HOME AND TO THE DEALERSHIP IN FIRST GEAR. IT WAS TAKEN TO THE DEALERSHIP WHO DIAGNOSED THE PROBLEM. THE TRANSMISSION SEAL BROKE BECAUSE THE TRANSMISSION WAS DOWN SHIFTING TOO HARD. *AK UPDATED 11/16/2005 - THE HEADLAMP LENS WAS LOOSE. THE POWER STEERING PULLEY WAS OUT OF POSITION AND CAUSED THE SERPENTINE BELT IS SQUEAKING. THE PULLEY WAS REPOSITIONED. A SMALL FUEL VAPOR LEAK WAS DETECTED POSSIBLY FROM FUEL FILLER CAP NOT BEING FULLY TIGHTENED. THE FUEL PUMP LEAKED WHEN THE TANK WAS FULL. IT WAS NECESSARY TO REPLACE THE FUEL TANK SENDING UNIT. *NM A FRONT END ALIGNMENT WAS PERFOMED ON THE VEHICLE. UPDATED 01/19/06.*JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
DT*: THE CONTACT STATED WHILE DRIVING 60MPH UNDER NORMAL DRIVING CONDITIONS, THERE WAS A RATTLING NOISE FROM UNDERNEATH THE VEHICLE AND THE VEHICLE PROCEEDED TO STALL WITHOUT WARNING. THE CONTACT MANAGED TO PULL OVER AND PARK THE VEHICLE. UPON FURTHER INVESTIGATION, THE DRIVELINE DIFFERENTIAL UNIT WAS BROKEN INTO PIECES. DUE TO THE INABILITY OF THE VEHICLE BEING DRIVEN, THE VEHICLE WAS TOWED HOME. A MECHANIC FROM A DEALERSHIP INSPECTED THE VEHICLE. THE MECHANIC SUGGESTED REPLACING THE DRIVELINE DIFFERENTIAL UNIT.
MY HUSBAND WAS DRIVING WITH MY FOUR CHILDREN GOING ABOUT 5MPH WHEN HE WENT TO MAKE A LEFT TURN AND LOST THE POWER STEERING. BEING SO CLOSE TO HOME, HE WAS ABLE TO DRIVE IT HOME. MY HUSBAND ALSO NOTICED THAT AN AXLE SEAL WAS LEAKING AS WELL AND THIS WAS ALSO CONSIDERED COMMON FOR PROBLEMS. WE USE THIS VEHICLE AS OUR ONLY FAMILY CAR, SO NATURALLY WE HAD IT FIXED RIGHT AWAY. WHAT REALLY CONCERNED AND ALERTED MYSELF TO THIS COMPLAINT WAS WHEN MY HUSBAND TOOK THE VEHICLE IN TO GET LOOKED AT A MECHANIC TOLD HIM THAT THEY HAVE FIXED THESE TYPES OF PROBLEMS MANY TIMES BEFORE AND IT WOULD ONLY TAKE TWO HOURS. WHEN I WENT TO PICK UP THE VEHICLE, I ASKED FOR MYSELF AGAIN, AND THE SAME MECHANIC TOLD ME IT IS VERY COMMON WITH THESE VEHICLES (SUV"S) WHY DID THIS HAPPENED WITH ONLY 60,000 MILES? THIS IS NOT VERY ENCOURAGING AND IS SOMEWHAT UPSETTING. I AM VERY CONCERNED BECAUSE I AM RELOCATING TO TEXAS AND THIS COULD HAVE BEEN A DISASTER IF WE WERE TRAVEING WITH THIS VEHICLE AND POSSIBLY A TRAILER ATTACHED. I AM VERY CONCERNED THAT IT MAY HAPPEN AGAIN AS I NOTICED THERE WAS A SIMILAR COMPLAINT BEFORE MINE AND THE SAME VEHICLE MAKE AND YEAR. I HAVE NEVER HAD TO REPLACE A STEERING PUMP WITH ANY OTHER VEHICLE I HAVE OWNED. WE BOUGHT THIS VEHICLE USED AFTER IT WAS TURNED IN FROM A LEASE. I AM CONVINCED THAT I PURCHASED THIS VEHICLE WITH THIS PROBLEM ALREADY IN MOTION, ALTHOUGH I CANNOT PROVE IT. I WOULD APPRECIATE THIS LOOKED INTO AND A RESPONSE TO MY COMPLAINT IN A TIMELY FASHION. I MAY HAVE OVERLOOKED THIS BUT CONSIDERING THIS MECHANIC INFORMED ME AND MY HUSBAND THAT HE HAS WORKED ON THESE MANY TIMES BEFORE REALLY CONCERNS ME. I WILL CONTINUE TO PURSUE THIS.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
TL*THE CONTACT OWNS A 2001 GMC DENALI. WHILE MAKING TURNS AT LESS THAN 5 MPH, THE ENGINE MAKES A RUMBLING NOISE AND THE VEHICLE STALLS. THE DEALER STATED THAT THERE WERE NO RECALLS FOR THE VEHICLE; HOWEVER, THE CONTACT HAS FOUND COMPLAINTS FOR HER VEHICLE REGARDING THE SAME FAILURE. THE DEALER ALSO STATED THAT THEY WOULD DIAGNOSE THE VEHICLE AT $96 PER HOUR. THE CONTACT WOULD HAVE TO PAY FOR THE REPAIRS. THE VEHICLE IS CURRENTLY PARKED AT HER RESIDENCE. THE FAILURE MILEAGE WAS 70,000 AND CURRENT MILEAGE WAS 85,000.
TL*THE CONTACT OWNS A 2001 GMC DENALI. EVERYTIME THE VEHICLE UNDERGOES A ROUTINE OIL CHANGE, THE CONTACT HAS TO PLACE AN EXCESSIVE AMOUNT OF OIL BACK IN THE ENGINE SHORTLY AFTERWARDS. IN ADDITION, THE BATTERY TERMINAL CABLES SPORADICALLY LOOSEN AND CAUSE THE ALTERNATOR TO FAIL. THIRDLY, WHILE DRIVING AT VARIOUS SPEEDS, THE 4 WHEEL DRIVE SPONTANEOUSLY ENGAGES. LASTLY, THE VEHICLE IDLES ROUGHLY WHEN IT IS STARTED. THE VEHICLE WAS TAKEN TO THE DEALER ON NUMEROUS OCCASIONS, BUT THEY COULD NOT CORRECT THE FAILURE. THE CONTACT HAS COPIES OF THE VEHICLE'S SERVICE HISTORY. THE FAILURE MILEAGE WAS 90,000 AND CURRENT MILEAGE WAS 163,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
DT: THE CONTACT STATED THE TRANSMISSION SEAL WAS DEFECTIVE AFTER A CERTAIN AMOUNT OF MILES, IT ALLOWED THE COOLING SYSTEM TO LEAK INTO THE TRANSMISSION. WHEN ACCELERATING THE TRANSMISSION WOULD DOWN SHIFT INTO FIRST GEAR, THIS WOULD MAKE THE VEHICLE JUMP. THE TRANSMISSION FAILED AT AN INTERSECTION. WHEN THIS OCCURRED THE VEHICLE HAD TO BE DRIVEN HOME AND TO THE DEALERSHIP IN FIRST GEAR. IT WAS TAKEN TO THE DEALERSHIP WHO DIAGNOSED THE PROBLEM. THE TRANSMISSION SEAL BROKE BECAUSE THE TRANSMISSION WAS DOWN SHIFTING TOO HARD. *AK UPDATED 11/16/2005 - THE HEADLAMP LENS WAS LOOSE. THE POWER STEERING PULLEY WAS OUT OF POSITION AND CAUSED THE SERPENTINE BELT IS SQUEAKING. THE PULLEY WAS REPOSITIONED. A SMALL FUEL VAPOR LEAK WAS DETECTED POSSIBLY FROM FUEL FILLER CAP NOT BEING FULLY TIGHTENED. THE FUEL PUMP LEAKED WHEN THE TANK WAS FULL. IT WAS NECESSARY TO REPLACE THE FUEL TANK SENDING UNIT. *NM A FRONT END ALIGNMENT WAS PERFOMED ON THE VEHICLE. UPDATED 01/19/06.*JB
I HAD A POWER STEERING FAILURE THAT HAPPENED IN A PARKING LOT ON SAT. JUNE4TH SHORTLY AFTER TURNING ON MY AIR CONDITIONING. I WAS ATTEMPTING TO LEAVE A PARKING LOT WHEN I THOUGHT MY ENGINE HAD STALLED BECAUSE I HAD NO POWER STEERING. HAD THE TIMING IN THE LOSS OF POWER STEERING BEEN IN A DIFFERENT SITUATION IT COULD HAVE BEEN TRAGIC FOR ME, MY FAMILY AND/OR OTHERS !!! I TOOK MY VEHICLE INTO KELLER AUTOMOTIVE IN SHELBY TOWNSHIP, MI. AFTER I HAD CAUSED JIM CAUSLEY PONTIC IN MT. CLEMENS MICHIGAN TO FIND OUT IF THIS ITEM MIGHT STILL BE UNDER WARRANTY. AFTER I FOUND OUT IT WASN'T I TOOK IT TO KELLERS WHERE THEY ALMOST IMMEDIATELY KNEW WHAT THE PROBLEM WAS. I BELIEVE THEY STATED THAT IT WAS THE SHAFT IN THE POWER STEERING PUMP THAT FAILS. THOUGH THEY DID SAY THEY HAVE NOT SEEN IT OFTEN IN MY MODEL THEY SAID IT WAS SEEN IN OTHER LIGHT DUTY GM TRUCKS THAT SHARE THE SAME POWER STEERING PUMP. THEY STATED TO ME THAT GM HAS UPGRADED THEIR PUMPS TO HAVE A HEAVIER DUTY SHAFT WHICH WAS $394 FOR THE PART ALONE. IF THIS IS A COMMON PROBLEM I WOULD DEFINITELY CONSIDER IT A SAFETY ISSUE AND EXPECT GM TO ANNOUNCE A RECALL REGARDING THIS ISSUE. I WILL HOLD ON TO MY RECEIPT IN HOPES THAT GM WOULD COME TO THE TABLE REGARDING RESOLVING THIS ISSUE OR THAT THE NHTSA COULD POSSIBLY FORCE THE ISSUE IF NECCESSARY. IF THIS IS AN ISOLATED INCIDENT I'M SORRY FOR WASTING YOUR TIME BUT I WOULD HOPE THAT SOMETHING COULD BE DONE BEFORE THE POTENTIAL LOSS OF LIFE OCCURS IF I AM CORRECT IN UNDERSTANDING THAT THIS IS NOT UNCOMMON, THANK YOU FOR YOUR TIME AND HELP !!, SINCERELY, PERRY M. HOUSER
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
REAR-ENDED WHILE AT A COMPLETE STOP FOR A RED LIGHT. HIGH IMPACT; MY HEAD HIT THE STEERING WHEEL THEN THE DRIVER SIDE PANEL. MY AIRBAG DID NOT DEPLOY. MY DOOR WAS PRIED OPEN BY A PEDESTRIAN WHO CHECKED ME AND ASKED IF I KNEW WHAT HAPPENED AND WAS I OKAY. I OPENED THE DOOR, STRUGGLED OUT AND TRIED TO STAND UP TO SEE WHAT HAD HIT ME; MY LEGS WOULDN'T HOLD AND I LEANED AGAINST MY VEHICLE AND CALLED 911. I LOOKED AROUND AND AT THE VEHICLES BEHIND ME, SOME WERE SMOKING AND EVERYONE WAS IN A GENERAL STATE OF SHOCK AND PANIC. THERE SEEMED TO BE NUMEROUS VEHICLES INVOLVED IN THE CRASH. THE AMBULANCE CAME, TOOK ME AWAY AND A POLICE OFFICER CAME TO MY BEDSIDE TO LET ME KNOW THE SKETCHY DETAILS THAT HE'D LEARNED FROM THE OTHER VICTIMS AND WITNESSES. MY VEHICLE WAS TOTALED. SUBSEQUENT MRIS SHOWED THAT I HAVE MULTIPLE BULGING DISCS IN MY NECK AND LOWER BACK, SOME OF WHICH ARE PRESSING ON NERVES AND CAUSING PAIN IN MY NECK, SHOULDERS, BACK, CALVES, ANKLES AND ARMS. *TR
MY WIFE WAS IMPACTED ON THE RIGHT FRONT SECTION OF HER 2001 GMC DENALI BY A HIT-AND-RUN MOTORIST. THE COLLISION OCCURRED IN THE EAST BOUND 22FWY IN ORANGE COUNTY CALIFORNIA. THE AIRBAGS DID NOT DEPLOY. THE IMPACT SPEED WAS MORE THAN 50MPH. THE AIRBAGS SHOULD HAVE DEPLOYED - OPINION FROM AAA INSURANCE AND AUTO MECHANICS THAT REPAIRED THE CAR. MY WIFE HAD TO ATTEND A CHIROPRACTOR FOR OVER A MONTH TO ADJUST HER SPINAL CHORD. UP TO THIS DAY SHE HAS BACK PAIN. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
TL*THE CONTACT OWNS A 2001 GMC DENALI. EVERYTIME THE VEHICLE UNDERGOES A ROUTINE OIL CHANGE, THE CONTACT HAS TO PLACE AN EXCESSIVE AMOUNT OF OIL BACK IN THE ENGINE SHORTLY AFTERWARDS. IN ADDITION, THE BATTERY TERMINAL CABLES SPORADICALLY LOOSEN AND CAUSE THE ALTERNATOR TO FAIL. THIRDLY, WHILE DRIVING AT VARIOUS SPEEDS, THE 4 WHEEL DRIVE SPONTANEOUSLY ENGAGES. LASTLY, THE VEHICLE IDLES ROUGHLY WHEN IT IS STARTED. THE VEHICLE WAS TAKEN TO THE DEALER ON NUMEROUS OCCASIONS, BUT THEY COULD NOT CORRECT THE FAILURE. THE CONTACT HAS COPIES OF THE VEHICLE'S SERVICE HISTORY. THE FAILURE MILEAGE WAS 90,000 AND CURRENT MILEAGE WAS 163,000.
WHILE DRIVING ABOUT 55 MPH VEHICLE STALLED. CONSUMER RESTARTED VEHICLE AND WAS ABLE TO PULL OVER TO THE SHOULDER. HAD THE VEHICLE TOWED TO THE DEALER FOR ANALYSIS. *AK THE VEHICLE WOULD BE IDLING AND WOULD DIE. THE DEALER COULD NOT DIAGNOSE THE PROBLEM BUT KNEW IT HAD SOMETHING TO DO WITH FUSES. THE DEALER DIAGNOSED THE PROBLEM AND REPLACED THE ELECTRONIC THROTTLE CONTROL MODULE. ABOUT A MONTH AND A HALF LATER THE VEHICLE STALLED AGAIN WITHOUT WARNING WHILE APPROACHING AN INCLINE AND A CURVE. THE CONSUMER WAS ABLE TO PULL ONTO THE SHOULDER. THE CONSUMER REQUEST THAT THIS PROBLEM BE INVESTIGATED. *SCC *NLM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
REAR-ENDED WHILE AT A COMPLETE STOP FOR A RED LIGHT. HIGH IMPACT; MY HEAD HIT THE STEERING WHEEL THEN THE DRIVER SIDE PANEL. MY AIRBAG DID NOT DEPLOY. MY DOOR WAS PRIED OPEN BY A PEDESTRIAN WHO CHECKED ME AND ASKED IF I KNEW WHAT HAPPENED AND WAS I OKAY. I OPENED THE DOOR, STRUGGLED OUT AND TRIED TO STAND UP TO SEE WHAT HAD HIT ME; MY LEGS WOULDN'T HOLD AND I LEANED AGAINST MY VEHICLE AND CALLED 911. I LOOKED AROUND AND AT THE VEHICLES BEHIND ME, SOME WERE SMOKING AND EVERYONE WAS IN A GENERAL STATE OF SHOCK AND PANIC. THERE SEEMED TO BE NUMEROUS VEHICLES INVOLVED IN THE CRASH. THE AMBULANCE CAME, TOOK ME AWAY AND A POLICE OFFICER CAME TO MY BEDSIDE TO LET ME KNOW THE SKETCHY DETAILS THAT HE'D LEARNED FROM THE OTHER VICTIMS AND WITNESSES. MY VEHICLE WAS TOTALED. SUBSEQUENT MRIS SHOWED THAT I HAVE MULTIPLE BULGING DISCS IN MY NECK AND LOWER BACK, SOME OF WHICH ARE PRESSING ON NERVES AND CAUSING PAIN IN MY NECK, SHOULDERS, BACK, CALVES, ANKLES AND ARMS. *TR
HEADRESTS DO NOT STAY IN SELECTED POSITION. SLIGHT HEAD PRESSURE RESULTS IN FAILURE TO REMAIN IN VERTICAL POSITION. NOT EFFECTIVE IN MINIMIZING NECK INJURIES.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
DT: THE CONTACT STATED THE TRANSMISSION SEAL WAS DEFECTIVE AFTER A CERTAIN AMOUNT OF MILES, IT ALLOWED THE COOLING SYSTEM TO LEAK INTO THE TRANSMISSION. WHEN ACCELERATING THE TRANSMISSION WOULD DOWN SHIFT INTO FIRST GEAR, THIS WOULD MAKE THE VEHICLE JUMP. THE TRANSMISSION FAILED AT AN INTERSECTION. WHEN THIS OCCURRED THE VEHICLE HAD TO BE DRIVEN HOME AND TO THE DEALERSHIP IN FIRST GEAR. IT WAS TAKEN TO THE DEALERSHIP WHO DIAGNOSED THE PROBLEM. THE TRANSMISSION SEAL BROKE BECAUSE THE TRANSMISSION WAS DOWN SHIFTING TOO HARD. *AK UPDATED 11/16/2005 - THE HEADLAMP LENS WAS LOOSE. THE POWER STEERING PULLEY WAS OUT OF POSITION AND CAUSED THE SERPENTINE BELT IS SQUEAKING. THE PULLEY WAS REPOSITIONED. A SMALL FUEL VAPOR LEAK WAS DETECTED POSSIBLY FROM FUEL FILLER CAP NOT BEING FULLY TIGHTENED. THE FUEL PUMP LEAKED WHEN THE TANK WAS FULL. IT WAS NECESSARY TO REPLACE THE FUEL TANK SENDING UNIT. *NM A FRONT END ALIGNMENT WAS PERFOMED ON THE VEHICLE. UPDATED 01/19/06.*JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
2001 GMC YUKON DENALI WITH 82,133 MILES. THE LIFTGATE GLASS LOOSEN IT FROM HIS DOOR HINGES. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
DT: THE CONTACT STATED THE TRANSMISSION SEAL WAS DEFECTIVE AFTER A CERTAIN AMOUNT OF MILES, IT ALLOWED THE COOLING SYSTEM TO LEAK INTO THE TRANSMISSION. WHEN ACCELERATING THE TRANSMISSION WOULD DOWN SHIFT INTO FIRST GEAR, THIS WOULD MAKE THE VEHICLE JUMP. THE TRANSMISSION FAILED AT AN INTERSECTION. WHEN THIS OCCURRED THE VEHICLE HAD TO BE DRIVEN HOME AND TO THE DEALERSHIP IN FIRST GEAR. IT WAS TAKEN TO THE DEALERSHIP WHO DIAGNOSED THE PROBLEM. THE TRANSMISSION SEAL BROKE BECAUSE THE TRANSMISSION WAS DOWN SHIFTING TOO HARD. *AK UPDATED 11/16/2005 - THE HEADLAMP LENS WAS LOOSE. THE POWER STEERING PULLEY WAS OUT OF POSITION AND CAUSED THE SERPENTINE BELT IS SQUEAKING. THE PULLEY WAS REPOSITIONED. A SMALL FUEL VAPOR LEAK WAS DETECTED POSSIBLY FROM FUEL FILLER CAP NOT BEING FULLY TIGHTENED. THE FUEL PUMP LEAKED WHEN THE TANK WAS FULL. IT WAS NECESSARY TO REPLACE THE FUEL TANK SENDING UNIT. *NM A FRONT END ALIGNMENT WAS PERFOMED ON THE VEHICLE. UPDATED 01/19/06.*JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
DT: THE CONTACT STATED THE TRANSMISSION SEAL WAS DEFECTIVE AFTER A CERTAIN AMOUNT OF MILES, IT ALLOWED THE COOLING SYSTEM TO LEAK INTO THE TRANSMISSION. WHEN ACCELERATING THE TRANSMISSION WOULD DOWN SHIFT INTO FIRST GEAR, THIS WOULD MAKE THE VEHICLE JUMP. THE TRANSMISSION FAILED AT AN INTERSECTION. WHEN THIS OCCURRED THE VEHICLE HAD TO BE DRIVEN HOME AND TO THE DEALERSHIP IN FIRST GEAR. IT WAS TAKEN TO THE DEALERSHIP WHO DIAGNOSED THE PROBLEM. THE TRANSMISSION SEAL BROKE BECAUSE THE TRANSMISSION WAS DOWN SHIFTING TOO HARD. *AK UPDATED 11/16/2005 - THE HEADLAMP LENS WAS LOOSE. THE POWER STEERING PULLEY WAS OUT OF POSITION AND CAUSED THE SERPENTINE BELT IS SQUEAKING. THE PULLEY WAS REPOSITIONED. A SMALL FUEL VAPOR LEAK WAS DETECTED POSSIBLY FROM FUEL FILLER CAP NOT BEING FULLY TIGHTENED. THE FUEL PUMP LEAKED WHEN THE TANK WAS FULL. IT WAS NECESSARY TO REPLACE THE FUEL TANK SENDING UNIT. *NM A FRONT END ALIGNMENT WAS PERFOMED ON THE VEHICLE. UPDATED 01/19/06.*JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
TL*THE CONTACT OWNS A 2001 GMC DENALI. EVERYTIME THE VEHICLE UNDERGOES A ROUTINE OIL CHANGE, THE CONTACT HAS TO PLACE AN EXCESSIVE AMOUNT OF OIL BACK IN THE ENGINE SHORTLY AFTERWARDS. IN ADDITION, THE BATTERY TERMINAL CABLES SPORADICALLY LOOSEN AND CAUSE THE ALTERNATOR TO FAIL. THIRDLY, WHILE DRIVING AT VARIOUS SPEEDS, THE 4 WHEEL DRIVE SPONTANEOUSLY ENGAGES. LASTLY, THE VEHICLE IDLES ROUGHLY WHEN IT IS STARTED. THE VEHICLE WAS TAKEN TO THE DEALER ON NUMEROUS OCCASIONS, BUT THEY COULD NOT CORRECT THE FAILURE. THE CONTACT HAS COPIES OF THE VEHICLE'S SERVICE HISTORY. THE FAILURE MILEAGE WAS 90,000 AND CURRENT MILEAGE WAS 163,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .