THE BRAKING SYSTEM FAILED WHEN THE PEDAL WENT TO THE FLOOR. INVESTIGATION REVEALED THAT THE STEEL BRAKE LINE HAD RUSTED AND RUPTURED. THE ONLY PRECURSOR TO THIS WAS NOISE FROM THE ABS UNIT AT LOW SPEED. IT APPEARS THAT ALL OF THE BRAKE LINES ARE BADLY CORRODED AND WILL NEED TO BE REPLACED. *TR
2003 GMC Sierra 1500
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2003 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
162 reports with mileage · 18 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 55 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 50 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 43 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
180 reportsMAIN BRAKE LINE BLEW WHILE MY WIFE WAS BACKING UP IN A PARKING LOT, THE ONLY WAY TO STOP WAS TO PUT THE CAR IN PARK WHILE MOVING. WE HAD IT TOWED TO OUR LOCAL MECHANIC WHO HAD TO REPLACE EVERY BRAKE LINE. THE TRUCK ONLY HAS 68K MILES ON IT. THE MECHANIC SAID THEY WERE VERY BAD AND WE WERE LUCKY TO BE SAFE. I CANNOT BELIEVE THIS…
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MAIN BRAKE LINE BLEW WHILE MY WIFE WAS BACKING UP IN A PARKING LOT, THE ONLY WAY TO STOP WAS TO PUT THE CAR IN PARK WHILE MOVING. WE HAD IT TOWED TO OUR LOCAL MECHANIC WHO HAD TO REPLACE EVERY BRAKE LINE. THE TRUCK ONLY HAS 68K MILES ON IT. THE MECHANIC SAID THEY WERE VERY BAD AND WE WERE LUCKY TO BE SAFE. I CANNOT BELIEVE THIS ISSUE HAS NOT BEEN ADDRESSED AND RECALLED BY GMC. OUR BILL WAS AN UNEXPECTED $1,300. I'M EXPECTING A CALL BACK FROM A DISTRICT GMC CONTACT MONDAY ABOUT THE ISSUE. I'M FIGHTING TO BE REIMBURSED AS THIS IS A KNOWN DEADLY ISSUE AND NEEDS TO BE RECALLED. HOW HAVE THEY NOT BEEN SUED FROM THIS PROBLEM YET? *TR
I PREVIOUSLY HAD TO HAVE THE POWER STEERING COOLER REPLACED BECAUSE OF LEAKING CORRODED LINES. JUST RECENTLY HAD TO HAVE TRANS COOLER REPLACED BECAUSE OF LEAKING CORRODED LINES. MECHANIC SAID ALL LINES UNDERNEATH (BRAKE, STEERING, ETC) ARE TERRIBLY CORRODED AND WE WILL DEFINITELY PAY ATTENTION TO ALL CORRODED LINES, ETC IN FUTUR…
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I PREVIOUSLY HAD TO HAVE THE POWER STEERING COOLER REPLACED BECAUSE OF LEAKING CORRODED LINES. JUST RECENTLY HAD TO HAVE TRANS COOLER REPLACED BECAUSE OF LEAKING CORRODED LINES. MECHANIC SAID ALL LINES UNDERNEATH (BRAKE, STEERING, ETC) ARE TERRIBLY CORRODED AND WE WILL DEFINITELY PAY ATTENTION TO ALL CORRODED LINES, ETC IN FUTURE OIL CHANGE VISITS. THE UNDERCARRIAGE OF MY TRUCK IS A CORRODED DISASTER. THE ROCKER PANELS ARE GONE. CORRODED RAILER HITCH WAS REPLACED. LUCKILY NOTHING HAS TOTALLY FAILED YET TO CAUSE AN ACCIDENT. *TR
TL* THE CONTACT OWNS A 2003 GMC SIERRA 1500. WHILE DRIVING 40 MPH, THE BRAKE WARNING LIGHT ILLUMINATED WHEN HE APPLIED PRESSURE TO THE BRAKES. THE BRAKE PEDAL WENT TO THE FLOOR AND DID NOT IDLE THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHO DIAGNOSED THE VEHICLE WITH RUSTED BRAKE LINES. THE MANUFACTURER WAS NOT NOTIFIE…
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TL* THE CONTACT OWNS A 2003 GMC SIERRA 1500. WHILE DRIVING 40 MPH, THE BRAKE WARNING LIGHT ILLUMINATED WHEN HE APPLIED PRESSURE TO THE BRAKES. THE BRAKE PEDAL WENT TO THE FLOOR AND DID NOT IDLE THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHO DIAGNOSED THE VEHICLE WITH RUSTED BRAKE LINES. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE NOR WAS THE VEHICLE REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE 63,000.
A BRAKE LINE BURST UNDERNEATH THE TRUCK WHEN I APPLIED THE BRAKES WITH SUBSTANTIAL PRESSURE (NOT ENOUGH TO ENGAGE ABS ON THE DRY PAVEMENT). WAS ABLE TO SWERVE TO AVOID VEHICLE THAT CUT US OFF AND USE EMERGENCY BRAKE TO SLOW/STOP VEHICLE IN A SAFE PLACE. ALL BRAKE LINES WERE SEVERELY RUSTED/CORRODED AND NEEDED TO BE REPLACED. FUE…
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A BRAKE LINE BURST UNDERNEATH THE TRUCK WHEN I APPLIED THE BRAKES WITH SUBSTANTIAL PRESSURE (NOT ENOUGH TO ENGAGE ABS ON THE DRY PAVEMENT). WAS ABLE TO SWERVE TO AVOID VEHICLE THAT CUT US OFF AND USE EMERGENCY BRAKE TO SLOW/STOP VEHICLE IN A SAFE PLACE. ALL BRAKE LINES WERE SEVERELY RUSTED/CORRODED AND NEEDED TO BE REPLACED. FUEL LINES WERE REPLACED AS WELL AT THE SAME TIME, DUE TO SEVERE CORROSION.
THIS IS A COMPLAINT ABOUT YOU, NOT LISTING A RECALL BY GM ON THE DASH BOARD CLUSTER MINE HAS FAILED, THE SPEEDOMETER NO LONGER WORKS -------------------------------------------------------------------------------- GM PARTS BULLETINS & INFORMATION - TO CADILLAC, CHEVROLET AND GMC DEALERS SUBJECT:BULLETIN GMP07-174…
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THIS IS A COMPLAINT ABOUT YOU, NOT LISTING A RECALL BY GM ON THE DASH BOARD CLUSTER MINE HAS FAILED, THE SPEEDOMETER NO LONGER WORKS -------------------------------------------------------------------------------- GM PARTS BULLETINS & INFORMATION - TO CADILLAC, CHEVROLET AND GMC DEALERS SUBJECT:BULLETIN GMP07-174 - SPECIAL COVERAGE ADJUSTMENT #07187' INSTRUMENT PANEL CLUSTER GAUGE NEEDLE FUNCTIONMESSAGE #:VSU20071575 CAMPAIGN - INSTRUMENT CLUSTER WARRANTY EXTENDED # 07187C: SPECIAL COVERAGE ADJUSTMENT - INSTRUMENT PANEL CLUSTER GAUGE NEEDLE FUNCTION - (MAR 20, 2009) I LOOKED IN YOUR WEBSITE AND FOUND NOTHING RELATED. *TR
JUST PURCHASED SET OF UNIROYALS LIBERATOR TIRES FROM AND A SMALL HOLE DEVELOPED ON INNER SIDE WALL OF THE TIRE. IT WAS A PIN HOLE SIZE DURING TIRE INSPECTION NOTHING WAS TAKEN OUT OF THE TIRE LIKE A NAIL ETC. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) *TT
WHEN ATTEMPTING TO STOP TRUCK, BRAKE PEDAL FADED TO FLOOR. UPON INSPECTION, THE BRAKE LINES EXHIBITED SEVERE CORROSION AND RUSTED THRU ALLOWING FLUID TO LEAK OUT. THE TRUCK HAS LESS THAN 90,000 MILES. *TR
I ENTERED MY VEHICLE TO DRIVE HOME AND REALIZED THAT I HAD NO BRAKES. AFTER LOOKING UNDERNEATH I REALIZED THAT MY BRAKE LINES WERE ROTTED AND LEAKING. ONE LINE IS CURRENTLY LEAKING BUT THEY ARE ALL IN VERY BAD CONDITION. I WAS LEFT WITH NO OPTION BUT TO HAVE THE VEHICLE TOWED HOME. I AM GOING TO HAVE TO REPLACE ALL THE BRAKE…
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I ENTERED MY VEHICLE TO DRIVE HOME AND REALIZED THAT I HAD NO BRAKES. AFTER LOOKING UNDERNEATH I REALIZED THAT MY BRAKE LINES WERE ROTTED AND LEAKING. ONE LINE IS CURRENTLY LEAKING BUT THEY ARE ALL IN VERY BAD CONDITION. I WAS LEFT WITH NO OPTION BUT TO HAVE THE VEHICLE TOWED HOME. I AM GOING TO HAVE TO REPLACE ALL THE BRAKE LINES AS EVEN THE ONES THAT AREN'T CURRENTLY LEAKING ARE IN VERY POOR CONDITION. IT WOULD BE UNSAFE TO DRIVE THE VEHICLE WITHOUT REPLACING THEM. I AM VERY FORTUNATE THAT THE FAILURE DIDN'T OCCUR WHILE I WAS DRIVING AT A HIGH SPEED. WHEN I PARKED THE VEHICLE THE BRAKES WERE FINE AND WHEN I CAME OUT 20 MINUTES LATER I HAD ABSOLUTELY NO BRAKES.
LUCKILY THERE WAS NO ACCIDENT AS I HAVE BEEN TEACHING MY 16 YEAR OLD DAUGHTER TO DRIVE. THE BRAKES FELT SPONGY AND NOT AS RESPONSIVE AS NORMAL ON MY WAY HOME FROM WORK. WHEN I STOPPED IN MY DRIVEWAY, I LOOKED UNDER THE VEHICLE AND BRAKE FLUID WAS POURING OUT OF AN APPARENTLY RUPTURED LINE TO THE BACK BRAKES. THERE WAS NO WARNING…
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LUCKILY THERE WAS NO ACCIDENT AS I HAVE BEEN TEACHING MY 16 YEAR OLD DAUGHTER TO DRIVE. THE BRAKES FELT SPONGY AND NOT AS RESPONSIVE AS NORMAL ON MY WAY HOME FROM WORK. WHEN I STOPPED IN MY DRIVEWAY, I LOOKED UNDER THE VEHICLE AND BRAKE FLUID WAS POURING OUT OF AN APPARENTLY RUPTURED LINE TO THE BACK BRAKES. THERE WAS NO WARNING LIGHT ON. REGARDLESS OF THE MILES, THIS TRUCK IS BARELY 8 YEARS OLD. A QUICK INTERNET SEARCH SHOWS THAT THIS MODEL YEAR AND NEARBY YEARS OF THE SAME TYPE OF TRUCK HAVE EXPERIENCED THIS PROBLEM. HAD THIS BEEN ON A HIGHWAY TRIP WITH ALL FLUID DRAINING OUT, THERE CERTAINLY WOULD HAVE BEEN AN ACCIDENT.
Official recalls
104V562000 · Equipment Adaptive/mobility
Nov 26, 2004
ON CERTAIN VANS EQUIPPED WITH SURE-LOK WHEELCHAIR SECUREMENT SYSTEMS, THE SPROCKET TEETH OF THE RETRACTOR ASSEMBLY IS OUT OF ALIGNMENT.
Consequence & remedy
Consequence: IN THE EVENT OF A VEHICLE CRASH, THE WHEELCHAIR MAY NOT BE ADEQUATELY SECURED POSSIBLY RESULTING IN INJURIES TO A WHEELCHAIR OCCUPANT.
Remedy: DEALERS WILL INSPECT AND REPLACE THE WHEELCHAIR SECUREMENT RETRACTORS AS NECESSARY. SURE-LOK WILL HANDLE THE REPAIRS FOR THIS CAMPAIGN. OWNERS SHOULD CONTACT SURE-LOCK AT 1-908-231-1804 OR MOBILITYWORKS AT 1-800-769-8267.
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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