BRAKE LINE RUST THRU REAR DRIVERS SIDE AND ALL ARE IN POOR SHAPE. *TR
2006 GMC Sierra 1500
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2006 GMC Sierra 1500 do not stand out strongly from the model-year median of 181.
About this comparison →How this year compares
Owner complaints by model year
Compare all Sierra 1500 years →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
129 reports with mileage · 16 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 40 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 25 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
145 reportsTL* THE CONTACT OWNS A 2006 GMC SIERRA 1500 EQUIPPED WITH HANKOOK DYNAPRO TIRES SIZE LT 265/70 R17. THE CONTACT STATED THAT UPON INSPECTION, IT WAS FOUND THAT THERE WAS A BULGE IN THE PASSENGER REAR TIRE'S SIDEWALL. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE IT WAS FOUND THAT THE TIRE NEEDED TO BE REPLACED. THE MANUFACTUR…
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TL* THE CONTACT OWNS A 2006 GMC SIERRA 1500 EQUIPPED WITH HANKOOK DYNAPRO TIRES SIZE LT 265/70 R17. THE CONTACT STATED THAT UPON INSPECTION, IT WAS FOUND THAT THERE WAS A BULGE IN THE PASSENGER REAR TIRE'S SIDEWALL. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE IT WAS FOUND THAT THE TIRE NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT CONTACTED ABOUT THE FAILURE. THE FAILURE MILEAGE WAS 96,800. THE DOT NUMBER AND VIN WAS NOT AVAILABLE.
TL* THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, HE ATTEMPTED TO ENGAGE THE BRAKES BUT THE PEDAL SUNK TO THE FLOORBOARD AND THE BRAKE WARNING LAMP ILLUMINATED. THE CONTACT MENTIONED THAT AFTER INSPECTING THE VEHICLE HE NOTICED THAT THE BRAKE LINES WERE CORRODED AND LEAKING BRAKE FLUID. T…
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TL* THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, HE ATTEMPTED TO ENGAGE THE BRAKES BUT THE PEDAL SUNK TO THE FLOORBOARD AND THE BRAKE WARNING LAMP ILLUMINATED. THE CONTACT MENTIONED THAT AFTER INSPECTING THE VEHICLE HE NOTICED THAT THE BRAKE LINES WERE CORRODED AND LEAKING BRAKE FLUID. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 61,000.
TL - THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 10 MPH, THE BRAKES WERE ENGAGED AND FAILED TO RESPOND. THE CONTACT MENTIONED THAT THE SERVICE BRAKE SYSTEM WARNING LIGHT ILLUMINATED AND THAT THE EMERGENCY BRAKES WERE ENGAGED FOR THE VEHICLE TO COME TO A STOP. THE VEHICLE WAS TAKEN…
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TL - THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 10 MPH, THE BRAKES WERE ENGAGED AND FAILED TO RESPOND. THE CONTACT MENTIONED THAT THE SERVICE BRAKE SYSTEM WARNING LIGHT ILLUMINATED AND THAT THE EMERGENCY BRAKES WERE ENGAGED FOR THE VEHICLE TO COME TO A STOP. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE BRAKE LINE WAS CORRODED AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS REPAIRED. THE APPROXIMATE FAILURE AND CURRENT MILEAGE WAS 35,000. DR
WHEN BRAKING AT SLOW SPEEDS THE ANTI LOCK BRAKES APPEAR TO ENGAGE CAUSING THE PULSATING BRAKE IN THE PEDAL. THE TRUCK STOPPING DISTANCE IS INCREASED AND THE BRAKES DO NOT FULLY ENGAGE CAUSING THE TRUCK TO BUMP THE CURB. THE PROBLEM ALSO MAY HAPPEN AT HIGHER SPEEDS SUCH AS 25 MPH AND CORRECTS WHEN THE PEDAL IS DEPRESSED FULLY T…
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WHEN BRAKING AT SLOW SPEEDS THE ANTI LOCK BRAKES APPEAR TO ENGAGE CAUSING THE PULSATING BRAKE IN THE PEDAL. THE TRUCK STOPPING DISTANCE IS INCREASED AND THE BRAKES DO NOT FULLY ENGAGE CAUSING THE TRUCK TO BUMP THE CURB. THE PROBLEM ALSO MAY HAPPEN AT HIGHER SPEEDS SUCH AS 25 MPH AND CORRECTS WHEN THE PEDAL IS DEPRESSED FULLY TO THE FLOOR CAUSING THE BRAKES TO FULLY ENGAGE (LOCK UP). THE PROBLEM IS INTERMITTENT AND DOES NOT HAPPEN EVERY TIME. *TR
I WAS DRIVING DOWN A HILL AND APPLIED THE BRAKES AND THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. THERE WAS NO RESISTANCE TO THE BRAKE PEDAL AT ALL. THE BRAKES FUNCTIONED PROPERLY WHEN I STOPPED AT A STOP SIGN, THEN WHEN I WAS GOING DOWN THE HILL THE BRAKE LINE BROKE. *TR
TL* THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 10 MPH, THE BRAKES BEGAN TO PULSATE UPON ENGAGEMENT WITH A SUDDEN ACTIVATION OF THE ANTI-LOCK BRAKING SYSTEM (ABS). AS A RESULT, THERE WAS A DELAYED RESPONSE IN BRAKING TO A STOP. THE FAILURE RECURRED FOUR TIMES AS THE CONTACT WAS DR…
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TL* THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 10 MPH, THE BRAKES BEGAN TO PULSATE UPON ENGAGEMENT WITH A SUDDEN ACTIVATION OF THE ANTI-LOCK BRAKING SYSTEM (ABS). AS A RESULT, THERE WAS A DELAYED RESPONSE IN BRAKING TO A STOP. THE FAILURE RECURRED FOUR TIMES AS THE CONTACT WAS DRIVING AT LOW SPEEDS OF 10 MPH OR LESS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO STATED THAT BOTH FRONT ABS SPEED SENSORS WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE MALFUNCTION. THE APPROXIMATE FAILURE MILEAGE WAS 29,000.
DRIVING IN RESIDENTIAL NEIGHBORHOOD AT APPROX. 25 MPH. UPON ENGAGING BRAKES TO STOP AT STOP SIGN, PEDAL SUDDENLY BECAME EXTREMELY SOFT AND TRAVELED NEARLY TO FLOOR. IT TOOK ME A MOMENT TO FIGURE OUT WHAT WAS GOING ON AND I HAD TO PRESS WITH FULL FORCE TO STOP. DROVE SLOWLY TO NEAREST GMC DEALER, NOT FAR AWAY. ALMOST ALL OF T…
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DRIVING IN RESIDENTIAL NEIGHBORHOOD AT APPROX. 25 MPH. UPON ENGAGING BRAKES TO STOP AT STOP SIGN, PEDAL SUDDENLY BECAME EXTREMELY SOFT AND TRAVELED NEARLY TO FLOOR. IT TOOK ME A MOMENT TO FIGURE OUT WHAT WAS GOING ON AND I HAD TO PRESS WITH FULL FORCE TO STOP. DROVE SLOWLY TO NEAREST GMC DEALER, NOT FAR AWAY. ALMOST ALL OF THE BRAKE PEDAL TRAVEL PROVIDED NO RESPONSE; THE REMAINDER OF TRAVEL WAS SOFT AND PROVIDED MINIMAL BRAKING PERFORMANCE. DIAGNOSIS BY THE DEALER WAS EXCESSIVE CORROSION ON ALL SOLID BRAKE LINES AND FITTINGS. BURST/LEAKAGE ON A LINE NEAR THE DRIVER'S SIDE REAR WHEEL WAS CAUSING THE SOFT, NEARLY UNRESPONSIVE BRAKE PEDAL. RECOMMENDATION BY DEALER WAS TO REPLACE ALL SOLID BRAKE LINES AND FITTINGS, FROM MASTER CYLINDER TO ABS UNIT TO EACH WHEEL END. I WAS TOLD THAT ONLY FIXING THE AREA THAT HAD BURST WOULD BE TOO "RISKY" DUE TO CONDITION OF THE REST OF THE SOLID BRAKE LINES AND THAT FAILURE IN ANOTHER PART OF THE LINES WAS "PROBABLY GOING TO HAPPEN." THE FLEXIBLE/RUBBER BRAKE LINES AND FITTINGS AT CALIPERS/DRUMS WERE "OK" AND NOT REPLACED. TOTAL CHARGE: $1380.46. THIS IS A 7-YEAR OLD VEHICLE WITH ABOUT 40K MILEAGE THAT HAS BEEN WELL-MAINTAINED IN PERSONAL USE/COMMUTING. I HAVE NEVER EXPERIENCED THIS FAILURE BEFORE, ON ANY VEHICLE AT ANY AGE, INCLUDING NUMEROUS VEHICLES 10+ YEARS OLD ALL DRIVEN IN NE OHIO. I AM GRATEFUL THE BRAKES GAVE UP WHEN/WHERE THEY DID: AT LOW SPEED AND WITHOUT ANY OTHER VEHICLE (OR PEDESTRIAN) AROUND. I CONTACTED GM AND REGISTERED MY COMPLAINT; THEY OFFERED NO RELIEF OR EXPLANATION (BEYOND "ENVIRONMENTAL" CAUSE), THOUGH THEY EXPRESSED SERIOUS INTEREST IN MY EXPERIENCE. I THINK THIS FAILURE IS UNACCEPTABLE AT THIS STAGE OF A VEHICLE SERVICE LIFE, REGARDLESS OF WHETHER IT IS USED IN THE "SALT BELT." PLEASE CONSIDER EXPANSION OF EA11-001 TO LATER MODEL YEARS OF GMT800-SERIES VEHICLES. *TR
I PURCHASED MY PICKUP NEW IN JAN. 2007 AND USE IT TO TOW AN 8X16 TRAILER W/ELECTRIC BRAKES FOR A PART TIME BUSINESS THROUGHOUT THE SUMMER. THE TRAILER WEIGHS APPROX. 6000 LBS. LOADED AND THE TRUCK IS RATED FOR 8,000 LBS. APPROXIMATE TOWING MILEAGE IS 3 TO 4,000 MILES PER YEAR. AFTER TOWING THE TRAILER 200 MILES ON SEPT. 14,…
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I PURCHASED MY PICKUP NEW IN JAN. 2007 AND USE IT TO TOW AN 8X16 TRAILER W/ELECTRIC BRAKES FOR A PART TIME BUSINESS THROUGHOUT THE SUMMER. THE TRAILER WEIGHS APPROX. 6000 LBS. LOADED AND THE TRUCK IS RATED FOR 8,000 LBS. APPROXIMATE TOWING MILEAGE IS 3 TO 4,000 MILES PER YEAR. AFTER TOWING THE TRAILER 200 MILES ON SEPT. 14, 2012 MY WIFE NOTICED SEVERAL OIL LEAKS ON THE ASPHALT NEARBY. I SUSPECTED SOMETHING IN THE DIFFERENTIAL AREA AND DROVE TO THE NEAREST GMC DEALERSHIP SEVERAL MILES AWAY. THEY DIAGNOSED IT AS A REAR BRAKE LINE AND ENDED UP REPLACING 6' OF IT ALONG WITH BOTH ROTORS AND CALIPERS AND A BRAKE SYSTEM FLUSH FOR A TOTAL OF $958.76. I'M 66 YRS. OLD AND HAVE NEVER HAD A BRAKE LINE GO IN ANY VEHICLE I'VE EVER OWNED AND I'VE LIVED IN MASSACHUSETTS ALL MY LIFE. MY LOCAL MECHANIC JUST TOLD ME THIS WEEK THAT THE REST OF THE BRAKE LINES ARE BADLY CORRODED AND SHOULD BE REPLACED ASAP. THIS WILL ADD ANOTHER $900 TO THE ENTIRE COST. THERE IS NO QUESTION IN MY MIND THAT GM HAS ALLOWED QUALITY IN WORKMANSHIP ON ITS BRAKE LINES TO FALL THROUGH THE CRACKS...AND AT THE PUBLIC'S EXPENSE. *TR
TL* THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT THE ABS ENGAGED WHILE BRAKING AT LOW SPEEDS. AS A RESULT, THE VEHICLE EXPERIENCED AN INCREASED STOPPING DISTANCE. THE VEHICLE WAS NOT TAKEN TO HAVE THE FAILURE DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 12…
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TL* THE CONTACT OWNS A 2006 GMC SIERRA 1500. THE CONTACT STATED THAT THE ABS ENGAGED WHILE BRAKING AT LOW SPEEDS. AS A RESULT, THE VEHICLE EXPERIENCED AN INCREASED STOPPING DISTANCE. THE VEHICLE WAS NOT TAKEN TO HAVE THE FAILURE DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 120,000.
Official recalls
0No recalls in this snapshot.
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
0No exact-year investigations in this snapshot.
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