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2006 GMC Sierra

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2006 GMC Sierra do not stand out strongly from the model-year median of 53.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

48 reports with mileage · 5 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Service Brakes. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

3 crash reports3 fire reports0 injury reports

Service Brakes complaints

20 reports
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81,750 miles · Dec 26, 2015
Service Brakes

TOTAL BRAKE FAILURE WHILE IN MOTION. CORRODED BRAKE LINE RUPTURED CAUSING IMMEDIATE LOSS OF ALL FLUID. HAD THIS HAPPENED 5 MINUTES EARLIER, I WOULD HAVE BEEN ON A FOUR LANE HIGHWAY IN BUMPER TO BUMPER CHRISTMAS TRAFFIC. AT 70 YEARS OLD I CAN ONLY IMAGINE HOW CATASTROPHIC AN ACCIDENT MY REFLEXES WOULD HAVE GENERATED. THE FLUID SP…

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TOTAL BRAKE FAILURE WHILE IN MOTION. CORRODED BRAKE LINE RUPTURED CAUSING IMMEDIATE LOSS OF ALL FLUID. HAD THIS HAPPENED 5 MINUTES EARLIER, I WOULD HAVE BEEN ON A FOUR LANE HIGHWAY IN BUMPER TO BUMPER CHRISTMAS TRAFFIC. AT 70 YEARS OLD I CAN ONLY IMAGINE HOW CATASTROPHIC AN ACCIDENT MY REFLEXES WOULD HAVE GENERATED. THE FLUID SPRAYED ON THE HOT ENGINE CREATING A CLOUD OF SMOKE. I WAS AFRAID THE TRUCK WAS ON FIRE. THE FLUID COOKED OFF THE ENGINE AS SMOKE AND AGAIN LUCKILY THERE WAS NO FIRE. NOW AFTER EXTENSIVE REPAIRS, I AM VERY NERVOUS BEHIND THE WHEEL OF THIS VEHICLE. THIS VERY DANGEROUS SITUATION WITH CORROSION SHOULD BE ADDRESSED AS BLOGS ON THE INTERNET INDICATE THIS DANGEROUS ISSUE HAS BEEN ONGOING FOR QUITE AWHILE. I HAVE ATTACHED THE INVOICE OF THE REPAIRS REQUIRED. I WAS IN THE DRIVE THROUGH OF A MCDONALDS AND HAD PLACED MY ORDER AND WAS PULLING TO THE WINDOW TO PAY WHEN THE BRAKES FAILED. LUCKILY I WAS ONLY MOVING SLOWLY AT THAT TIME, THUS ABLE TO AVOID INJURING ANYONE OR DAMAGING ANY OTHER VEHICLES.

NHTSA ODI #10816251

57,000 miles · Jul 20, 2015
Service Brakes

BRAKE PEDAL WENT TO FLOOR ALMOST CAUSING AN ACCIDENT BEFORE THE VEHICLE CAME TO A STOP. BEFORE THE SERVICE LIGHT CAME ON. THE SERVICE LIGHT DID COME EVENTUALLY AT WHICH TIME WE CHECKED THE MASTER CYLINDER WHICH WAS EXTREMELY LOW SO WE FILLED IT THINKING THAT WAS THE PROBLEM. THE NEXT DAY WE NOTICED BRAKE FLUID DRIPPING AND AFTER…

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BRAKE PEDAL WENT TO FLOOR ALMOST CAUSING AN ACCIDENT BEFORE THE VEHICLE CAME TO A STOP. BEFORE THE SERVICE LIGHT CAME ON. THE SERVICE LIGHT DID COME EVENTUALLY AT WHICH TIME WE CHECKED THE MASTER CYLINDER WHICH WAS EXTREMELY LOW SO WE FILLED IT THINKING THAT WAS THE PROBLEM. THE NEXT DAY WE NOTICED BRAKE FLUID DRIPPING AND AFTER CHECKING REALIZED THAT AT LEAST ONE OF THE BRAKE LINES WERE WERE RUSTED THROUGH IN SEVERAL PLACES AND ALL OF THE OTHER LINES ARE TERRIBLY RUSTED AND PROBABLY ON THE VERGE OF LEAKING ALSO. THIS IS A TRUCK THAT WE USUALLY PULL OUR CAMPER WITH. LUCKILY WE WERE NOT PULLING IT AT THE TIME THIS OCCURRED.

NHTSA ODI #10735349

110,400 miles · Feb 12, 2015
Service Brakes

DROVE FROM BALTIMORE, MD TO CLEVELAND, OH. PARKED, THE NEXT DAY ATTEMPTED TO DRIVE AND BRAKE PEDAL WENT TO FLOOR. BRAKE LINE ON DRIVERS SIDE TOWARD THE REAR HAD RUSTED OUT, HAD TO HAVE TRUCK TOWED AND BRAKE LINE REPLACED. IN DEC. 2014, ONE YEAR LATER, TRUCK WAS PARKED FOR 4 DAYS IN DRIVE, WENT TO DRIVE BRAKE PEDAL TO FLOOR AG…

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DROVE FROM BALTIMORE, MD TO CLEVELAND, OH. PARKED, THE NEXT DAY ATTEMPTED TO DRIVE AND BRAKE PEDAL WENT TO FLOOR. BRAKE LINE ON DRIVERS SIDE TOWARD THE REAR HAD RUSTED OUT, HAD TO HAVE TRUCK TOWED AND BRAKE LINE REPLACED. IN DEC. 2014, ONE YEAR LATER, TRUCK WAS PARKED FOR 4 DAYS IN DRIVE, WENT TO DRIVE BRAKE PEDAL TO FLOOR AGAIN, HAD TO HAVE TOWED, 4 LINES REPLACED. *TR

NHTSA ODI #10682951

39,889 miles · Jan 23, 2015
Service Brakes

WAS COMING TO A STOP LIGHT AND BRAKE PEDAL WENT ALL THE WAY TO FLOOR. HAD TO STEP ON SEVERAL TIMES TO GET STOPPED. THE FACTORY ELECTRICAL WIRE IN FACTORY LOOM IN FACTORY CLAMP HOOKED TO BRAKE LINE WORE A HOLE THROUGH BRAKE LINE TO RIGHT FRONT WHEEL. WORE THROUGH DIRECTLY UNDER THE MASTER CYLINDER. LUCKILY I WAS NOT GOING AT HIG…

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WAS COMING TO A STOP LIGHT AND BRAKE PEDAL WENT ALL THE WAY TO FLOOR. HAD TO STEP ON SEVERAL TIMES TO GET STOPPED. THE FACTORY ELECTRICAL WIRE IN FACTORY LOOM IN FACTORY CLAMP HOOKED TO BRAKE LINE WORE A HOLE THROUGH BRAKE LINE TO RIGHT FRONT WHEEL. WORE THROUGH DIRECTLY UNDER THE MASTER CYLINDER. LUCKILY I WAS NOT GOING AT HIGH SPEED OR THIS COULD HAVE BEEN A FATAL INCIDENT!!!!!!!!! THIS IS SOMETHING THAT COME FROM FACTORY AND NEEDS TO BE ADDRESSED. *TR

NHTSA ODI #10678466

87,000 miles · Nov 13, 2014
Service Brakes

BRAKES FAILED AT HIGHWAY SPEED, BRAKE PEDAL WENT TO THE FLOOR WITH VERY LITTLE BRAKING. ON INVESTIGATION, BRAKE OIL WOULD SPRAY FROM THE BRAKE LINE UNDER THE TRUCK. *TR

NHTSA ODI #10654861

67,000 miles · Sep 8, 2014
Service Brakes

BRAKES FAILED WHILE COMING TO A STOP IN LIGHT TRAFFIC. BRAKING ACTION REDUCED TO APPROX 10 TO 20 PERCENT OF NORMAL. DRIVER FELT A "POP" AND THE BRAKE PEDAL WENT TO THE FLOOR, FOLLOWED BY A 'SERVICE BRAKE SYSTEM' WARNING MESSAGE. A LARGE PUDDLE OF FLUID FORMED UNDER THE TRUCK WHEN PARKED AND A QUICK LOOK UNDER THE TRUCK SHOWED LO…

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BRAKES FAILED WHILE COMING TO A STOP IN LIGHT TRAFFIC. BRAKING ACTION REDUCED TO APPROX 10 TO 20 PERCENT OF NORMAL. DRIVER FELT A "POP" AND THE BRAKE PEDAL WENT TO THE FLOOR, FOLLOWED BY A 'SERVICE BRAKE SYSTEM' WARNING MESSAGE. A LARGE PUDDLE OF FLUID FORMED UNDER THE TRUCK WHEN PARKED AND A QUICK LOOK UNDER THE TRUCK SHOWED LOTS OF FLUID FROM THE FRONT OF THE BED TO THE REAR OF THE TRUCK. FURTHER INVESTIGATION SHOWED HEAVY CORROSION ON ALL RIGID BRAKE LINES. ALL BRAKES LINES WILL BE REPLACED. THE FAILED LINE POWERED THE REAR BRAKES. THIS TRUCK IS ONLY EIGHT (8) YEARS OLD. THIS COULD HAVE BEEN LOTS WORSE IF THE BRAKES FAILED ONE WEEK EARLIER WHEN I WAS PULLING A CAMPER THROUGH THE TENNESSEE MOUNTAINS. *TR

NHTSA ODI #10631594

11,400 miles · Aug 27, 2014
Service BrakesCrash

I WENT TO PUT ON MY BRAKES, I FIRST STARTED TO STOP THEN MY BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. I HIT A VEHICLE IN FRONT OF ME. THE COLLISION SHOP THAT I HAD IT REPAIRED AT SAID THE BRAKE LINES WERE RUSTED. AFTER FURTHER INVESTIGATION I READ A LOT OF COMPLAINTS ABOUT THIS SAME DEFECT IN CHEVY AND GMC TRUCKS. *TR

NHTSA ODI #10628635

57,000 miles · Aug 6, 2014
Service BrakesCrash

I WAS APPROACHING THE STOPLIGHT FLETCHER DRIVE AND LEE HIGHWAY AT APPROXIMATELY 25 MPH HEADING EAST ON LEE HIGHWAY AROUND 1600 EDT IN WARRENTON, VA. THERE WERE FOUR (4) CARS WAITING TO TURN LEFT ONTO FLETCHER DRIVE IN FRONT OF ME. THE CAR IN FRONT OF ME CAME TO A SUDDEN STOP. I APPLIED THE BRAKE WITH APPROXIMATELY 2 CAR LENGT…

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I WAS APPROACHING THE STOPLIGHT FLETCHER DRIVE AND LEE HIGHWAY AT APPROXIMATELY 25 MPH HEADING EAST ON LEE HIGHWAY AROUND 1600 EDT IN WARRENTON, VA. THERE WERE FOUR (4) CARS WAITING TO TURN LEFT ONTO FLETCHER DRIVE IN FRONT OF ME. THE CAR IN FRONT OF ME CAME TO A SUDDEN STOP. I APPLIED THE BRAKE WITH APPROXIMATELY 2 CAR LENGTHS IN FRONT OF ME. THE BRAKES STARTED TO GRAB BUT THEN THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOORBOARD. I PUMPED THE BRAKES AND MY TRUCK CONTINUED TO ROLL AND THEN HIT MR. [XXX] VEHICLE AT APPROXIMATELY 5-7 MPH. I WAS UNABLE TO COME TO A COMPLETE STOP UNTIL MAKING CONTACT WITH [XXX] CAR. I ASKED IF HE WAS OK OR HURT AND HE REPLIED YES, I AM OK. WHY DIDN'T YOU STOP?? I EXPLAINED THAT I TRIED. I THEN SUGGESTED THAT BOTH OF US PULL INTO THE FAUQUIER BANK PARKING LOT AND EXCHANGE INSURANCE INFORMATION. AT THIS TIME, I NOTICED MY BRAKES HAD COMPLETELY FAILED AND THE TRUCK WAS LEAKING A SIGNIFICANT AMOUNT OF BRAKE FLUID ONTO THE PARKING LOT (COFFEE CAN OR MORE IN 10 MINS). I STATED THAT SINCE IT WAS A MECHANICAL FAILURE ON MY VEHICLE, I WOULD FEEL BETTER SUBMITTING IT THROUGH INSURANCE. I ALSO SHOWED HIM THE LEAKING BRAKE FLUID. [XXX]. ASKED WHY I WAS DRIVING WITH FAILED BRAKES AND I EXPLAINED THAT THE BRAKES HAD FAILED AT THE INTERSECTION, THAT MY BRAKES WERE WORKING PROPERLY PRIOR TO THE ACCIDENT AND THAT MY TRUCK HAD JUST BEEN PICKED-UP FROM SERVICE AT THE DEALERSHIP (COUNTRY CHEVROLET) ON MONDAY WITH NO PROBLEMS. THE DEALERSHIP JUST INFORMED ME THAT ALL THE BRAKE LINES NEED TO BE REPLACED AND THAT THEY HAVE CORRODED THROUGH AND BASICALLY "EXPLODED". A SIMILAR ISSUE OCCURRED WITH MY 2003 GMC SIERRA IN 2009, BUT WITH NO ACCIDENT. ALL BRAKE LINES HAD TO BE REPLACED DUE TO CORROSION. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10619212

36,000 miles · Jul 27, 2014
Service BrakesSteering

GRINDING NOISE AND BRAKING DIMINISHED ALONG WITH SMOKING WHEEL. FRONT WHEEL BEARING HUB ASSEMBLY IS COMING APART INSIDE WITH ONLY 36000 MILES. *JS

NHTSA ODI #10616684

100,300 miles · Jul 12, 2014
Service Brakes

WITHOUT ANY WARNINGS WHEN ATTEMPTING TO COME TO A QUICK STOP BRAKE PEDAL WENT TO THE FLOOR AND HAD NO BRAKING POWER. AVOIDED CRASH BY DRIVING ONTO A LAWN. I HAVE FOUND THAT ALL THE BRAKE LINES WHERE THEY ARE ATTACHED TO THE FRAME IN A PLASTIC SUPPORT UNDER THE DRIVERS DOOR HAVE ROTTED THROUGH. CONTACTED GMC WITH NO SUCCESS JUST …

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WITHOUT ANY WARNINGS WHEN ATTEMPTING TO COME TO A QUICK STOP BRAKE PEDAL WENT TO THE FLOOR AND HAD NO BRAKING POWER. AVOIDED CRASH BY DRIVING ONTO A LAWN. I HAVE FOUND THAT ALL THE BRAKE LINES WHERE THEY ARE ATTACHED TO THE FRAME IN A PLASTIC SUPPORT UNDER THE DRIVERS DOOR HAVE ROTTED THROUGH. CONTACTED GMC WITH NO SUCCESS JUST INFORMING THEY ARE AWARE BUT NO RE-CALLS. *TR

NHTSA ODI #10610032

Official recalls

4

06V307000 · Wheels:rim

Aug 11, 2006

CERTAIN SPORT UTILITY VEHICLES AND TRUCKS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES HAVE AN INCOMPLETE TIRE RIM DESIGNATION ON THE CERTIFICATION/TIRE LABEL LOCATED ON THE DRIVER'S DOOR EDGE. IN ADDITION, THE LABEL MAY ALSO BE MISSING THE TIRE LOAD RATING ON THE LABEL. ALTHOUGH THIS INFORMATION IS NOT REQUIRED BY THE STANDARD, IF A TIRE OF A LESSER LOAD RATING IS INSTALLED, THE TIRE MAY NOT BE ABLE TO SUSTAIN THE LOADS ENCOUNTERED DURING USE.

Consequence & remedy

Consequence: IF A CUSTOMER REPLACES A WHEEL AND ONLY RELIES ON THE RIM SIZE DESIGNATION THAT IS INDICATED ON THE LABEL, A WHEEL THAT IS OF A DIFFERENT RIM CONTOUR DESIGNATION MAY BE INSTALLED. IT MAY BE DIFFICULT OR IMPOSSIBLE TO MOUNT THE TIRE ON A WHEEL WITH THE WRONG CONTOUR. IF THE TIRE IS MOUNTED ON THE WHEEL WITH THE WRONG CONTOUR, THE WHEEL AND TIRE MAY NOT PERFORM AS INTENDED, WHICH COULD INCREASE THE RISK OF A CRASH.

Remedy: A LABEL THAT WILL CORRECT THE LABEL ORIGINALLY INSTALLED WILL BE MAILED TO CONSUMERS ALONG WITH INSTALLATION INSTRUCTIONS. THE CUSTOMER WILL HAVE THE OPTION FOR DEALERS TO INSTALL THE LABEL. THE RECALL BEGAON ON NOVEMBER 7, 2006. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2239, CHEVROLET AT 1-800-630-2438, AND GMC TRUCKS AT 1-866-996-9463.

06V289000 · Engine And Engine Cooling

Aug 3, 2006

ON CERTAIN TRUCKS EQUIPPED WITH AN 8.1L V8 (RPO L8-VIN G) ENGINE HAVE A CONDITION IN WHICH THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP MAY FRACTURE RESULTING IN INADEQUATE RETENTION OF THE DAMPER.

Consequence & remedy

Consequence: IF THE DAMPER COMES LOOSE, A FUEL LEAK MAY RESULT. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

Remedy: DEALERS WILL REPLACE THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 31, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC TRUCKS AT 1-866-996-9463.

05V552000 · Equipment:other:labels

Dec 7, 2005

CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LABELS LISTING AN INACCCURATE VEHICLE CAPACITY WEIGHT.

Consequence & remedy

Consequence: A MISPRINTED LABEL COULD LEAD TO IMPROPER VEHICLE LOADING SPECIFICATIONS OR TIRE INFLATION WHICH COULD RESULT IN A TIRE FAILURE, INCREASING THE RISK OF A CRASH.

Remedy: OWNERS WILL BE PROVIDED WITH CORRECTED LABELS AND INSTALLATION INSTRUCTIONS. AT THE CUSTOMER'S OPTION, A DEALER CAN INSTALL THE LABEL FOR THEM. THE RECALL BEGAN ON MARCH 31, 2006. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, HUMMER AT 1-800-732-5493, PONTIAC AT 1-800-620-7668, SATURN AT 1-800-972-8876, OR ISUZU AT 1-800-255-6727.

05V455000 · Steering:hydraulic Power Assist:hose, Piping, And Connections

Oct 5, 2005

CERTAIN PASSENGER VEHICLES MAY HAVE BEEN BUILT WITH A POWER STEERING HOSE THAT IS NOT TO SPECIFICATION. UNDER EXTREME STEERING MANEUVERS, SUCH AS TURNING THE STEERING WHEEL FULLY TO THE LEFT OR RIGHT WHILE BRAKING, THE HOSE MAY FRACTURE AND LEAK FLUID.

Consequence & remedy

Consequence: IF THIS WERE TO OCCUR, POWER STEERING ASSIST WOULD BE LOST AND INCREASED STEERING EFFORT WOULD BE REQUIRED. ON VEHICLES EQUIPPED WITH HYDRO-BOOST POWER BRAKES, IT COULD ALSO RESULT IN LOSS OF POWER BRAKE ASSIST AND INCREASED BRAKING EFFORT WOULD BE REQUIRED. IF THE POWER STEERING FLUID SPRAY WERE TO SPRAY ONTO HOT ENGINE PARTS, AN ENGINE COMPARTMENT FIRE COULD OCCUR.

Remedy: DEALERS WILL INSPECT THE POWER STEERING HOSE(S) FOR TWO SUSPECT DATE CODES AND REPLACE THEM IF REQUIRED. THE RECALL WILL BEGIN ON OCTOBER 14, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, ISUZU AT 1-800-255-6727, OR HUMMER AT 1-800-732-5493.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.