There are 11 owner-reported brakes complaints for the 2006 GMC Yukonin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
FULL BRAKE FAILURE IN 7/19 AND AGAIN IN 10/19. WE WERE ABLE TO AVOID HITTING OTHER VEHICLE AS LITTLE TRAFFIC. HAD THEM COMPLETELY REPAIRED BOTH TIMES. 1/20 BRAKES FAILED AGAIN CAUSING US TO AVOID HITTING OTHER VEHICLES BY JUMPING A CURB AND HITTING A MILE MARKER SIGN A PARKWAY. THAT IS 3 BRAKES FAILURES IN 7 MONTHS. VEHICLE IS NOW TOTALED. THIS SEEMS TO BE A HUGE ISSUE! NO INJURIES, THANK GOD!
BRAKES FAILED WITH NO WARNING LIGHTS OR AND KIND OF INDICATION . FLUID DRIPPING OUT REAR OF VEHICLE. I WAS ALMOST IN A BAD ACCIDENT BECAUSE OF THIS ,ALSO WENT INTO A PANIC ATTACK. HAD OTHER PEOPLE AND MY LIFE IN DANGER.
SEVERE BRAKE LINE CORROSION AND CORROSION AT WHEEL SPEED SENSORS CAUSES ABS TO ACTIVATE AT LOW SPEEDS. I HAD 2 NEAR MISS CRASHES AND THEN CAR WOULD NOT STOP AND I HIT A FENCE IN MY YARD YESTERDAY. I HAVE 4 OTHER VEHICLES , A DODGE, BMW, AND 2 HONDA, ALL OLDER THAN THIS ONE, AND DO NOT HAVE THE. CORROSION ON THE BRAKE LINES. THERE IS AN ISSUE WITH THE MATERIAL USED IN THE GMC BRAKE LINES THAT CAUSES IT TO SEVERELY CORRODE. MALFUNCTION OCCURS INTERMITTENTLY.
BRAKE LINES VERY RUSTED AND LEAKING FLUID BOTH FRONT TO REAR LINES NEEDED TO BE REPLACED. HAD TO ALSO REPLACE REAR BRAKE PADS & ROTORS THEY WERE PITTED AND GROOVED. NEEDED TO PERFORM BRAKE FLUID FLUSH , BOTH REAR AXLE SEALS LEAKING & REAR COVER GASKET SEAL LEAKING ON PARKING BRAKE SHOES ALL NEEDED TO BE REPLACED. I HEARD THERE WAS A PROBLEM WITH OLDER MODLE SUV'S AND HAD MINE LOOKED AT AND WAS ADVISED NOT TO DRIVE UNTIL THESE REPAIRS WERE COMPLETED. I HAVE ALL REPAIR INVOICES TO VEHICLE.
AGAIN, I AM WRITING. I IMPLORE YOU TO REINVESTIGATION GMC FOR RUSTED BRAKE LINES. WE REPLACED OURS AFTER THEY WERE SO RUSTED, BEING A CAMPING FAMILY, TOWING A TRAILER WE COULD HAVE ALL DIED. I UNDERSTAND THAT YOUR OFFICE HAS INVESTIGATED THIS AND FOR WHATEVER REASON DETERMINED IT WAS NORMAL WEAR AND TEAR BUT I THINK THAT YOUR DEPARTMENT IS ON OVERLOAD AND DIDN'T WANT TO HANDLE ANOTHER GM RECALL. GM AND CONSUMERS KNOW THAT THE COMPANY GOT AWAY WITH NOT ISSUING A RECALL. YES, I AM ANGRY AT THE $800 WE HAD TO PAY TO REPAIR THIS BUT I AM MORE ANGRY THAT AFTER GM WAS CONTACTED FOR REIMBURSEMENT I GOT NO WHERE AND THEY WERE SNARKY AND ADMITTED AS MUCH THAT THEY WEREN'T MADE TO BE RESPONSIBLE. AGAIN, I ASK THAT YOU REOPEN THIS INVESTIGATION ON BEHALF OF CONSUMERS. AFTERALL, IF IT WAS NORMAL WEAR AND TEAR AND AN INDUSTRY WIDE PROBLEM WHY IS IT ONLY GM CARS. YES, I LIVE IN PA BUT I LIVE IN SOUTHERN PA WHERE WE DON'T TYPICALLY GET ALOT OF SNOWY OR ICY WEATHER. MY CAR IS GARAGE PARKED AND ONLY DRIVEN ABOUT 6000 MILES PER YEAR. AND THE BRAKE LINES RUSTED? IF SOMETHING ISN'T DONE I INTEND TO PURSUE THIS FURTHER. [XXX] VIN UNAVAILABLE INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR*JB
AFTER A FULL DAY OF DRIVING WITH MY CHILD IN THE CAR I WENT OUT ON MY OWN TO GET HIM MEDICINE. WHILE ATTEMPTING TO STOP AT THE END OF MY BLOCK THE BRAKE PEDAL FELT FUNNY. I WENT TO THE NEXT STOP SIGN AND ATTEMPTED TO STOP AND MY VEHICLE WOULDN'T STOP. I ENDED UP ROLLING RIGHT INTO THE MIDDLE OF THE INTERSECTION. I REALIZED THERE WAS A BIG PROBLEM SO CRAWLED BACK TO MY DRIVEWAY. I THEN NOTICED THE WHOLE UNDERSIDE OF MY VEHICLE WAS WET AND NOW MY DRIVEWAY WAS SOAKED WITH BRAKE FLUID. ONE OF THE STEEL LINES BURST. AFTER I LOOKED AT THEM I NOTICED THEY ARE ALL RUSTED AND IN VERY BAD SHAPE. I NOW HAVE A MECHANIC HAVING TO REPLACE ALL THE BRAKE LINES IN THE CAR SO THAT I DON'T HAVE TO WORRY ABOUT WHAT COULD HAVE HAPPENED WHEN DRIVING MY 1 YEAR OLD AROUND WITH NO BRAKES. *TR
I KNOW THE INVESTIGATION IS CLOSED ON RUSTED BRAKE LINES BUT ID LIKE FOR IT TO BE REOPEN. I AM NOT SURE WHY THE NHTSA IS NOT FINDING GMC LIABLE FOR THIS NEGLIGENCE. BRAKE LINES RUST FROM TIME TO TIME. WE GOT IT. BUT MY 2006 DENALI IS DRIVEN APPROX. 4,000 MILES PER YEAR, GARAGED WHEN NOT DRIVEN. I LIVE IN AN AREA THAT SOME YEARS IT DOESN'T EVEN SNOW. SO I DON'T WANT TO HEAR ITS THE WEATHER. I WAS SURPRISED AT MY LOCAL MECHANIC'S GARAGE AT INSPECTION TIME WHEN HE SHOWED US THE PARTS THAT NEEDED REPLACED (I HAVE THOSE IN MY POSSESSION BTW). ITS NOT THE WEATHER THAT'S DOING THIS FOR THE SHEER FACT THAT ITS PRIMARILY GMC THAT HAS THE PROBLEM. NO OTHER CAR MANUFACTURER HAS HAD THIS PROBLEM TO SUCH AN EXTENT. MY FAMILY IS A CAMPING FAMILY AND TOWING AN 8,000 LB CAMPER WITH RUSTED BRAKE LINES COULD HAVE MEANT DISASTER. THANK GOODNESS OUR MECHANIC NOTICED THIS. I HAVE TRIED SEEKING REIMBURSEMENT THROUGH GMC AND OF COURSE THEY DON'T WANT TO REIMBURSE ME FOR THIS. I PAID ALMOST $800 FOR THIS WORK TO BE DONE. I WANT REIMBURSED; ITS ONLY FAIR. WE TEACH OUR CHILDREN THAT WHEN THEY ARE NEGLIGENT THEY HAVE TO MAKE THINGS RIGHT. OUR LEGAL SYSTEM IS ONE IN WHICH IF YOU CAUSE AN INJUSTICE YOU HAVE TO MAKE THINGS RIGHT TIMES THREE. AGAIN, ITS GMC THAT IS HAVING THIS ISSUE AND MY CAR DOESN'T FIT INTO "OH ITS A WEATHER RELATED ISSUE/WEAR AND TEAR ISSUE". PLEASE REOPEN THIS INVESTIGATION. I THINK THE PUBLIC WILL DEMAND IT AND I MAY LOOK AT JOINING A CLASS ACTION LAWSUIT AGAINST GMC. I EXPECT TO HEAR FROM YOU.
ON JANUARY 21, 2014 I HAD WRECK IN MY 2006 GMC YUKON THAT ONLY HAD 31K ON IT HITTING A 2011 CHEVY CRUZE THAT WAS STOPPED AT A RED TRAFFIC SIGNAL; I TRIED TO BRAKE AT SPEED OF 45 HOWEVER THE BRAKE PEDAL WENT TO STRAIGHT TO THE FLOOR, DUE TO COMPLETE BRAKE LINE FAILURE DUE TO CORRODED BRAKE LINES. ON DECEMBER 13, 2013 I HAD JUST GOTTEN A VIRGINIA STATE SAFETY INSPECTION. *TR
STEEL BRAKE LINE CORROSION CAUSED BRAKE LINE TO RUPTURE CAUSING BRAKES TO FAIL. *TR
GOING APPROXIMATELY 5-10 MPH ON A SIDE STREET THE ENGINE SURGED WHEN BRAKES WERE APPLIED AND THE BRAKES DID NOT WORK. HAD TO PUT THE TRUCK IN PARK TO STOP. SUV WAS IMMEDIATELY TOWED TO DEALERSHIP. DEALERSHIP REPORTS NO COMPUTER RECORD OF INCIDENT NOR PROBLEM WITH THE ENGINE OR BRAKES OVER A PERIOD OF A WEEK OF TESTING. *TR *JS
I HAVE CONSTANTLY HAD TO REPLACE MY BACK BRAKES AND ROTORS DUE TO A INSUFFICIENT ALUMINUM DISC THAT GMC INSTALLED I HAVE RECEIPTS TO PROVE HOW MANY BACK BRAKES IN ROTORS I HAVE HAD TO REPLACE. THANK GOD I WAS ON THE LEFT SIDE OF THE HIGHWAY MY SIX CHILDREN AND I ALMOST LOST ARE LIFE THE BRAKES WENT OUT WE HAD TO VEER OFF INTO THE TERRAIN JUST TO COME TO A STOP IN THE MEAN TIME MY TIRE POPPED FROM ALL THE EXCITEMENT AND ME AND MY KIDS WAS STUCK ON A MAJOR HIGHWAY FOR 6 HOURS BEFORE WE WAS TOWED IN BROUGHT TO SAFETY. I AM ASKING FOR THIS DISC PROBLEM BE REPAIRED IMMEDIATELY FOR MY FAMILY SAFETY. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026