2001 Gmc Sierra
The Verdict
The 2001 Gmc Sierra has 589 owner complaints filed with NHTSA. The most reported issues are brakes (326 complaints) and engine (113 complaints). With a Klunk Score of 20/100, it earns a "Check Engine" rating. If you're shopping for a Gmc Sierra, consider the 2006 model year which has 52% fewer complaints.
Safe Bet
The 2006 has 52% fewer complaints
View the 2006 Gmc Sierra dashboard →
Klunk Score: Check Engine
More complaints than most vehicles. Known issues exist — budget for potential repairs.
How is this calculated?
The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.
Get notified if a recall hits this car.
We email you when NHTSA issues a new recall on the 2001 Gmc Sierra. No spam, no marketing.
Under the Hood
Each number is a complaint. Darker = bigger problem.
By Category
By Severity
Worst Problems
Complaints
Unknown
Truck has just over 150k miles. Maintained well and garaged when possible. 1) Noticed a fuel smell from the driver side door area and after parking for a long weekend, a small pool of liquid formed in front of the driver side rear wheel. It was fuel dripping from the line leaving the evap canister that had rusted through. Resulted in a $600 repair to replace all rusted fuel lines so as to eliminate the risk of fire. 2) When approaching an intersection to make a left turn and slowing down the brake pedal pushes to the floor with no stopping power at all. Used the engine/trans in manual mode to slow the truck down and avoid an accident. Driver side brake lines are blown out in multiple spots near the ABS module due to corrosion. Potential cost based on research is in the $1000 ballpark. This level of rust on critical vehicle components is irresponsible and potentially deadly. GM needs to take this more seriously and realize that their cost-cutting measures are putting people and their families in grave danger.
MY ANTI LOCK KEEP KICKING IN, THE PANHEAD BY GAS TANK IS COMPLETELY SHOT AND THERE IS A BOX BY THE GAS TANK FOR EMISSIONS AND NOT ABLE TO GET 1 AND THE FRAME IN THE FRONT IS SHOT ALSO ALONG WITH THE BODY THAT'S COMPLETELY SHOT AND THE GAS GAUGE KEEPS TELLING EMPTY 1 TIME AND THEN IT GOES TO FULL TO EMPTY EVEN AFTER I FILL IT UP...
FUEL IS DUMPING INTO INJECTORS. 2001 GMC SIERRA 2500 DIESEL. ONLY HAS 135,000 MILES!! ENGINE BOGGS DOWN WHEN CLIMBING HILL, BRIDGE, OR TOWING.
THE ABS AND BREAK SYSTEM WARNING LIGHT HAS BEEN COMING ON AND STAYING ON. I LOST MY BREAKS LEAVING A PARKING SPOT AT MY LOCAL WALMART AS I WAS PULLING OUT OF A PARKING SPOT! WE THEN MADE APPOINTMENT FOR THE BREAK SYSTEM TO BE CHECKED/REPAIRED. THE ABS CONTROL SYSTEM LIGHT WENT OFF FOR AWHILE BUT THEN COMES BACK ON EVEN AFTER THE REPAIR OF SAID REPAIR TO BREAK LINES. MY TRUCK ALSO HAS NO FUEL GAUGE THAT DOES NOT WORK. WITH THESE ISSUES ON MY VEHICLE MAKES IT VERY SCARY TO DRIVE AND MAKES DRIVING LIMITED. I AM NOT ABLE TO DRIVE MY TRUCK LONG DISTANCES DUE TO CONCERNS OF SAFETY AND POSSIBLY OF ABS WARNING LIGHT, BREAK ISSUES, AND FUEL GAUGE! I WAS DRIVING MY TRUCK TO PICK ONE OF MY DAUGHTERS UP FROM SCHOOL TO LOSE POWER WHILE PUSHING ON GAS THEN SOME JERKING AND A FOUL SMELL OF RUBBER BURNING COMING FROM THE FRONT RIGHT TIRE AREA. I THEN HAD SOMEONE LOOK AT THE TRUCK AND WAS TOLD THAT WHAT EVER IT WAS HAPPENING THAT EVERYTHING LOOKED OKAY AND IT WAS POSSIBLE JUST A BREAK STICKING. IT HAS HAPPENED 3 DIFFERENT TIMES. MY TRUCK STILL HAS APPROXIMATELY 98,000 OR SO MILES ON IT. THIS TRUCK ALSO HAS BAD CORROSION ON BOTTOM BASEBOARDS OF THE TRUCK. I SAW BELOW THAT I AM ASKED FOR SPECIFIC DATE OF ISSUES. I CAN NOT PROVIDE SPECIFIC DATES SINCE THERE HAS BEEN SO MANY THINGS WRONG WHICH HAS HAPPENED AT DIFFERENT TIMES.
SOLD ME A "GOOD RUNNING VEHICLE" THAT THE FUEL SYSTEM FAILED CAUSE ENGINE TO SHUTDOWN, CAUSED NO BRAKING, VEHICLE PULLED OUT OF CENTER DO TO STEERING COMPONENTS, NO SAFETY BELTS IN REAR OF VEHICLE
ABS MESSAGE LIGHT CAME ON CONSISTENTLY AND DUE TO THE SAFETY ISSUE EXPLAINED BY MY MECHANIC SHOP, I HAD THE WHEEL SPEED SENSOR CHANGED AND NOW ABOUT 6 MONTHS LATER THE ABS MESSAGE LIGHT IS NOW APPEARING IN THE MESSAGE BOARD AGAIN INTERMINTENTLY. I READ WHERE GMC STARTED A RECALL ON SEPTEMBER 22,2005 FOR THIS SAME PROBLEM WHICH CALLED( GM RECALL # 05068) BUT ONLY FOR "SALT BELT STATES" "SERVICE BRAKES, HYDRAULIC:ANTILOCK".INTERESTINGLY MY STATE WAS LEFT OFF OF THE LIST. I CALLED GMC AND THEY INDICATE THERE WAS NO SUCH RECALL AND SUGGESTED I CALL NHTSA. I HAVE NOW NOTICED THAT MY BRAKES LOCK UP AND DO NOT HAVE THE ANTILOCK SYSTEM OPERATING.
BRAKE LINES RUSTED OUT UNDER DRIVERS SIDE CAB. TRUCK STUCK IN DRIVEWAY. LUCKY IT DID NOT HAPPEN ON HIGHWAY WILL COST ALMOST AS MUSH AS TRUCK IS WORTH TO HAVE ALL NEW BRAKE LINES INSTALLED
I HAVE A 2001 GMC TRUCK THAT THE REAR FRAME HORN ON THE PASSENGER SIDE WERE THE FRAME IS WELDED ABOUT 6 INCHES FROM THAT POINT IT HAS A CRACK ALL THE WAY TO THE TOP OF THE FRAME RIGHT WERE THE BUMP STOP IS ON THE FRAME WITH ONLY ABOUT 1 INCH HOLDING THE FRAME TOGETHER AS OF RIGHT NOW THE REST OF THE FRAME LOOKED OK WHEN INSPECTED
TL* THE CONTACT OWNS A 2001 GMC SIERRA 2500. WHILE DRIVING VARIOUS SPEEDS, THE ENGINE SUDDENLY LOST COMPRESSION AND THE VEHICLE FAILED TO ACCELERATE PROPERLY. THE VEHICLE WAS TAKEN TO COURTESY CADILLAC (1345 EVANGELINE THRUWAY, BROUSSARD, LA) WHERE IT WAS DIAGNOSED THAT ONE OR MORE FUEL INJECTORS WERE FAULTY AND REMAINED OPEN. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND DID NOT ASSIST. THE CONTACT INDICATED THAT ALL EIGHT FUEL INJECTORS WERE PREVIOUSLY REPLACED APPROXIMATELY FIVE YEARS; HOWEVER, BUT THE FAILURE RECENTLY RECURRED. THE FAILURE MILEAGE WAS 200,000.
RUSTED OUT FUEL LINES. HAD TO REPLACE ALL FUEL LINES. RUSTED OUT BRAKE LINES. BRAKES GAVE OUT WHILE DRIVING. LUCKLY NO ACCIDENT. HAD TO REPLACE ALL BRAKE LINES.
TL* THE CONTACT OWNS A 2001 GMC SIERRA 800 (NA). ON SEVERAL OCCASIONS, THE CONTACT NOTICED FLUID LEAKING FROM THE STEERING GEAR ASSEMBLY. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO HILEY BUICK GMC (3535 W LOOP 820 S, FORT WORTH, TX 76116 (817) 632-8800 WHERE IT WAS DIAGNOSED THAT THE STEERING GEAR ASSEMBLY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. ON ANOTHER OCCASION, THE CONTACT NOTICED THAT THE LEAKAGE FROM THE STEERING GEAR ASSEMBLY FAILED AGAIN. THE VEHICLE WAS TAKEN BACK TO HILEY BUICK GMC WHERE IT WAS THEN DIAGNOSED THAT THE STEERING GEAR ASSEMBLY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. DURING THE THIRD FAILURE, THE CONTACT PARKED THE VEHICLE IN HIS GARAGE AND NOTICED A TRAIL OF FLUID ON THE GROUND. UPON FURTHER INSPECTION, HE NOTICED FLUID COMING FROM THE STEERING AGAIN. THE VEHICLE WAS THEN TAKEN BACK TO HILEY BUICK GMC WHERE IT WAS DIAGNOSED THAT THE STEERING GEAR ASSEMBLY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT WITH A DIFFERENT PART NUMBER (19330428). THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND DID NOT OFFER ANY ASSISTANCE. THE FAILURE MILEAGE WAS 146,650.
LOST ALL BRAKES ON MY 01' GMC SIERRA 1500 SLE 4X4 WHILE BRAKING ON AN OFF RAMP, PEDAL WENT ALL THE WAY TO THE FLOOR. BRAKE LINES APPEAR TO BE COMPLETELY RUSTED OUT, WHICH DOESN'T MAKE SENSE WHEN I HAVE A 5 YEAR OLDER HONDA CIVIC, WITH 110K MORE MILES ON IT, AND THE BRAKE LIKES DO NOT LOOK NEAR AS BAD. BOTH SPENT THEIR LIVES IN MINNESOTA / WISCONSIN. AFTER DOING SOME GOOGLING, IT APPEARS THIS IS EXTREMELY COMMON WITH 2000-2003 GM TRUCKS. IF THIS WASN'T A MANUFACTURING DEFECT, WOULDN'T ALL UNCOATED BRAKE LINES RUST OUT AT SIMILAR RATES, IN THE SAME CONDITIONS? MIND BOGGLING THAT GM IS ABLE TO GET AWAY WITH NOT HAVING TO SPEND THE CASH TO CORRECT THIS PROBLEM. AS IF THAT MONEY IS WORTH MORE THEN THE PERSONS LIFE. *TR
VEHICLE STALLS AND SHUTS OFF WHILE DRIVING AND IDLE. SOMETIMES IT STARTS BACK UP IMMEDIATELY, OTHER TIMES IT WILL JUST CRANK OVER BUT WILL NOT START. AFTER LETTING IT SIT SOMETIMES 5 TO 20 MINUTES AT A TIME IT WILL THEN START BACK UP. ALL RESEARCH AND ISSUES WITH THE VEHICLE INDICATE A MANUFACTURER RECALL OF A CRANKSHAFT POSITION SENSOR. THE VEHICLE WILL STALL OR SHUT OFF AT RANDOM WHETHER IT'S IN MOTION DOWN THE HIGHWAY IN THE MIDDLE OF A INTERSECTION OR AT A STOP SIGN . I HAVE ALMOST BEEN T-BONES DUE TO THE VEHICLE STALLING IN THE MIDDLE OF THE INTERSECTION AND I HAVE ALSO HAD TO REPLACE MY DRIVERS MIRROR DUE TO THE VEHICLE STALLING ON THE INTERSTATE AND NEARLY BEING HIT BY ANOTHER VEHICLE. *TR
MANIFOLD BOLT(S) BROKEN. HEARD IT'S A COMMON THING. REALLY DISAPPOINTS ME ABOUT MY TRUST IN GM.
WAS ON MY WAY HOME, WHEN I WENT TO TURN LEFT ONTO MY ROAD. MY BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. I HAD TO ACCELERATE ACROSS A MAIN ROAD BECAUSE A VEHICLE CAME UP OVER THE HILL AT ME AND I COULD NOT STOP THE TRUCK. I COASTED DOWN A HILL UNTIL THE TRUCK STOPPED ROLLING. WHEN IT WAS TOWED TO A SERVICE STATION THE MECHANIC NOTED A RUSTED OUT HOLE IN MY BRAKE LINE. THIS IS THE 2ND TIME THIS HAS HAPPENED. THE LAST TIME WAS IN 2013. YET THE MANUFACTURER DOES NOTHING TO ADDRESS THIS!!!!!!!
WHILE DRIVING IN DOWNTOWN CITY AREA, VEHICLE IN MOTION, ATTEMPTED TO APPLY BRAKES AND PEDAL WENT STRAIGHT TO FLOOR ALMOST CAUSING AN ACCIDENT. THERE WAS NO WARNING TO LOSS OF BRAKING SYSTEM. VEHICLE WAS BROUGHT TO RESIDENCE AND REVIEWED. BRAKE LINES FROM MASTER CYLINDER HAVE SUFFERED RUST DAMAGE AND CAUSED A FAILURE OF THE BRAKING SYSTEM. UPON FURTHER REVIEW ALL BRAKE LINES ON VEHICLE ARE EXHIBITING EXTREME CORROSION TO A SYSTEM THAT SHOULD NOT BE RUSTING.
TAKATA RECALL ABS & PARKING BRAKE LIGHT COMING ON. CLEAN CONNECTIONS, LIGHTS WENT OUT. WENT DOWN THE ROAD ABOUT 3 MILES, LIGHTS CAME BACK ON. SOMETIMES STARTING UP IN THE MORNING, LIGHTS WILL BE OFF. GET DOWN THE ROAD ABOUT 3 TO 5 MILES LIGHTS COME BACK ON. ACCORDING TO INTERNET THERE IS A BAD SOLDERING CONNECTION IN THE CONTROL MODULE. HAS THIS BEEN A RECALL AT ANY TIME. WHEN LIGHTS COME ON, ELECTRIC BRAKES TO TRAILER ARE IN OPTIMAL.
I ALMOST RAN INTO ANOTHER CAR BECAUSE THE OTHER DRIVER STOPPED SUDDENLY AND I HAD TO PUMP THE BRAKES OVER AND OVER TO STOP WHEN THE RUSTED LINE BROKE. I WAS ON A CITY STREET DRIVING SPEED LIMIT AND WAS LUCKY TO BE ABLE TO STOP. I WAS TOWING MY TRAILER LAST WEEK AND ALMOST LOST THE TRAILER BECAUSE THE ENTIRE UNDERBODY IS RUSTED. I HAVE HAD SEVERAL TRUCKS AND NEVER HAVE SEEN THIS HAPPEN. IT WAS A SCARY SITUATION IN BOTH CASES.
BRAKE LINE FAILURE. I HAD COMPLETE BRAKE LINE FAILURE WHILE COMING TO A STOP AT A BUSY ROAD. I WAS LUCKY I WAS ABLE TO HONK MY HORN AND GO THROUGH THE LIGHT. I DRIVE THIS TRUCK ALMOST EVERY DAY AND HAD THIS HAPPENED ON MY NORMAL DAILY COMMUTE THIS COULD HAVE BEEN A DISASTER. IT IS RIDICULOUS THAT STAINLESS STEEL LINES WERE NOT USED ON SUCH A VITAL PART OF THE VEHICLE. NOW I AM LOOKING AT A LOT OF MONEY TO REPLACE ALL THE LINES. I DO NOT HAVE A BILL TO UPLOAD AT THIS TIME AS THE REPAIR WORK HAS NOT BEEN COMPLETED YET.
589 total