THE REAR DRIVERS SIDE BRAKE LINE BROKE. WHILE AT THE REPAIR SHOP, THEY INFORMED ME THE OTHER SIDE BRAKE LINE WAS BAD AND NEEDED REPLACED. TWO MONTHS LATER TWO MORE LINES BROKE. THE MAIN REAR LINE AND FRONT SUPPLY LINE FROM THE MASTER.
2003 Chevrolet Suburban 1500
Owner reports · Recalls · Investigations
More warning signs than most Suburban 1500 years
Owner complaints for the 2003 Chevrolet Suburban 1500 are substantially higher than the model-year median of 53.
About this comparison →How this year compares
Owner complaints by model year
Compare all Suburban 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
151 reports with mileage · 24 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.
- Electrical System. Review the 60 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 42 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes complaints
42 reportsTL* THE CONTACT OWNS A 2003 CHEVROLET SUBURBAN 1500. WHILE DRIVING APPROXIMATELY 35 MPH, THE VEHICLE FAILED TO STOP WHEN THE BRAKE PEDAL WAS DEPRESSED. AS A RESULT, THE VEHICLE CRASHED INTO A CURB. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE CONTACT WAS ADVISED THAT THE BRAKE LINE NEEDED TO BE RE…
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TL* THE CONTACT OWNS A 2003 CHEVROLET SUBURBAN 1500. WHILE DRIVING APPROXIMATELY 35 MPH, THE VEHICLE FAILED TO STOP WHEN THE BRAKE PEDAL WAS DEPRESSED. AS A RESULT, THE VEHICLE CRASHED INTO A CURB. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE CONTACT WAS ADVISED THAT THE BRAKE LINE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.
10/11/2 BRAKES FAILED PLUS PARKING BRAKE FAILED AND PARKING BRAKE SHOE ASSEMBLY WAS NOT FOUND UPON DEALER INSPECTION. REPLACED DISC BRAKES AND HAD PARKING BRAKE SHOE INSTALLED. 11/09/12 CHECK ENGINE LIGHT REVEALED IGNITION PROBLEM. NEW IGNITION WIRE SET INSTALLED. 01/29/13 DASH CLUSTER FAILED, HAD NO HORN, NO HEADLIGHTS, NO I…
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10/11/2 BRAKES FAILED PLUS PARKING BRAKE FAILED AND PARKING BRAKE SHOE ASSEMBLY WAS NOT FOUND UPON DEALER INSPECTION. REPLACED DISC BRAKES AND HAD PARKING BRAKE SHOE INSTALLED. 11/09/12 CHECK ENGINE LIGHT REVEALED IGNITION PROBLEM. NEW IGNITION WIRE SET INSTALLED. 01/29/13 DASH CLUSTER FAILED, HAD NO HORN, NO HEADLIGHTS, NO INTERIOR LIGHTS, NO SPEED CONTROL , NO STEERING WHEEL LIGHTS FOR CONTROL BUTTONS, NO SPEEDOMETER READING, NO RADIO. REPLACED DASH CLUSTER. 05/05/14 CHECK ENGINE LIGHT AND STRANDED WHEN VEHICLE WOULD NOT START. MISFIRE MESSAGES ON DEALER EQUIPMENT READING. 06/16/14 STRANDED AGAIN , VEHICLE WOULD NOT START. REPLACED IGNITION SWITCH. 07/15/14 STRANDED AGAIN , VEHICLE WOULD NOT START. REPLACED STARTER RELAY. 02/16/15 DRIVER HEATED SEAT COMING ON/OFF WHILE DRIVING ON ITS OWN. 4 WD ENGAGED ON ITS OWN WHILE DRIVING AND MADE DRIVING UNCONTROLLED. AWD ENGAGED ON ITS OWN WHILE DRIVING ON DRY SMOOTH ROAD. STRANDED, WOULD NOT START. VEHICLE AT DEALER AGAIN TODAY FOR THIS LIST OF PROBLEMS. *TR
WAS DRIVING WITH MY CHILDREN IN VEHICLE. AS I WAS APPROACHING INTERSECTION, STEPPED ON BRAKE PEDAL AND IT WENT COMPLETELY TO FLOOR. THE BRAKES WERE NOT WORKING AT ALL. I HAD TO DOWNSHIFT AND USE EMERGENCY BRAKE IN ORDER TO AVOID COLLISION. HAD TO HAVE SUBURBAN TOWED. *JS
TL* THE CONTACT OWNS A 2003 CHEVROLET SUBURBAN 1500. THE CONTACT STATED THAT WHEN THE BRAKE PEDAL WAS APPLIED, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD AND THE BRAKE WARNING LIGHT ILLUMINATED. THE EMERGENCY BRAKE WAS APPLIED IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THE BRAKE LINES WE…
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TL* THE CONTACT OWNS A 2003 CHEVROLET SUBURBAN 1500. THE CONTACT STATED THAT WHEN THE BRAKE PEDAL WAS APPLIED, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD AND THE BRAKE WARNING LIGHT ILLUMINATED. THE EMERGENCY BRAKE WAS APPLIED IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THE BRAKE LINES WERE REPLACED ON TWO OCCASIONS BUT THE FAILURE RECURRED. THE VEHICLE WAS TOWED BACK TO THE INDEPENDENT MECHANIC BUT WAS NOT DIAGNOSED OR REPAIRED. THE VIN WAS NOT AVAILABLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 72,000.
WAS DRIVING BEHIND A SCHOOL BUS WHEN IT STOPPED TO LET KIDS OFF. I APPLIED MY BRAKES AND THE PEDAL WENT TO THE FLOOR. I HAD NO BRAKES, I AM NOT REALLY SURE HOW I MANAGED TO STOP WITHOUT HITTING THE BUS. I PULLED OVER IN A PARKING LOT. GOT OUT OF MY 2003 CHEVY SUBURBAN WENT INTO THE BANK TO CALL MY HUSBAND TO COME GET ME. BY THE…
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WAS DRIVING BEHIND A SCHOOL BUS WHEN IT STOPPED TO LET KIDS OFF. I APPLIED MY BRAKES AND THE PEDAL WENT TO THE FLOOR. I HAD NO BRAKES, I AM NOT REALLY SURE HOW I MANAGED TO STOP WITHOUT HITTING THE BUS. I PULLED OVER IN A PARKING LOT. GOT OUT OF MY 2003 CHEVY SUBURBAN WENT INTO THE BANK TO CALL MY HUSBAND TO COME GET ME. BY THE TIME I GOT BACK OUT TO MY TRUCK THERE WAS A PUDDLE OF BRAKE FLUID UNDER THE DRIVERS SIDE DOOR. MY BRAKE LINES WHERE SHOOT. *TR
APPLIED BRAKES AND HAD TO PRESS ALMOST TO THE FLOOR. ONCE STOPPED, THE VEHICLE WOULD START TO ROLL AGAIN UNLESS I APPLIED FURTHER PRESSURE ON THE BRAKES. I DROVE THE VEHICLE HOME AND THE NEXT MORNING THERE WAS A PUDDLE OF BRAKE FLUID UNDER THE CAR. *TR
WAS TRAVELING IN CITY DOWN A SLIGHT HILL WHEN THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR AND THE SERVICE BRAKE SYSTEM WARNINGS WENT ON AND SOUNDED. IMMEDIATELY SHIFTED VEHICLE INTO A LOW GEAR AND PUMPED BRAKES. WAS ABLE TO BRING VEHICLE TO A STOP OFF THE ROAD. UPON EXAMINATION IT WAS OBVIOUS THERE HAD BEEN A CATASTROPHIC BRAK…
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WAS TRAVELING IN CITY DOWN A SLIGHT HILL WHEN THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR AND THE SERVICE BRAKE SYSTEM WARNINGS WENT ON AND SOUNDED. IMMEDIATELY SHIFTED VEHICLE INTO A LOW GEAR AND PUMPED BRAKES. WAS ABLE TO BRING VEHICLE TO A STOP OFF THE ROAD. UPON EXAMINATION IT WAS OBVIOUS THERE HAD BEEN A CATASTROPHIC BRAKE LINE FAILURE AS BRAKE FLUID WAS ALL ON THE GROUND AND COVERING THE SPARE TIRE. REPAIR SHOP CONFIRMED THIS WAS DUE TO RUSTING OF THE BRAKE LINES. *TR
WENT TO STOP WHEN TRAFFIC STOP AND FELT THE BRAKE PEDAL GO TO THE FLOOR WITH VERY LITTLE BRAKING POWER TO STOP. HAD TO SWERVE TO MISS THE CAR IN FRONT. I LIMPED HOME WITH VERY LITTLE BRAKING POWER AND WHEN I GOT HOME I CHECK THE OIL RESOLVE, IT HAD ALMOST NO OIL. LOOKED UNDER THE TRUCK AND FOUND A LEAKING BRAKE LINE. THE LINE…
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WENT TO STOP WHEN TRAFFIC STOP AND FELT THE BRAKE PEDAL GO TO THE FLOOR WITH VERY LITTLE BRAKING POWER TO STOP. HAD TO SWERVE TO MISS THE CAR IN FRONT. I LIMPED HOME WITH VERY LITTLE BRAKING POWER AND WHEN I GOT HOME I CHECK THE OIL RESOLVE, IT HAD ALMOST NO OIL. LOOKED UNDER THE TRUCK AND FOUND A LEAKING BRAKE LINE. THE LINE WAS RUSTED OUT. *TR
RE: LOSS OF BRAKES. THE HYDRAULIC BRAKE LINES FAILED AND LEAKED BRAKE FLUID. THE BRAKE SYSTEM SUFFERED A LOSS OF LOSS HYDRAULIC PRESSURE. THE BRAKE LINES SHOWED HEAVY CORROSION. CORROSION CAUSED THE HYDRAULIC BRAKE LINES TO FAIL. *TR
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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