WHILE DRIVING IN THE CITY MY BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR AND I HAD MINIMAL BRAKING POWER. I WAS ABLE TO STOP THE VEHICLE SAFELY BUT THE BRAKES LINES ARE COMPLETELY GONE. THEY ARE ALL RUSTED AND HAVE SEVERAL HOLES IN THEM AND MUST BE REPLACED. *TR
2004 GMC Sierra 1500
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2004 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
186 reports with mileage · 26 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 81 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 43 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 22 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
212 reportsDRIVING VEHICLE, AND LOST BRAKES. DISCOVERED THE BRAKE LINE HAD RUSTED THRU CAUSING LOSS OF FLUIDS. AFTER RESEARCHING THIS I FOUND OUT THIS IS A VERY COMMON PROBLEM WITH CERTAIN YEAR MODEL GM VEHICLES. THIS IS A EXTREMELY DANGEROUS SITUATION, AND I CANT BELIEVE THERE HAS NOT BEEN A RECALL ON THIS. DOES IT REALLY TAKE DEATHS FOR …
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DRIVING VEHICLE, AND LOST BRAKES. DISCOVERED THE BRAKE LINE HAD RUSTED THRU CAUSING LOSS OF FLUIDS. AFTER RESEARCHING THIS I FOUND OUT THIS IS A VERY COMMON PROBLEM WITH CERTAIN YEAR MODEL GM VEHICLES. THIS IS A EXTREMELY DANGEROUS SITUATION, AND I CANT BELIEVE THERE HAS NOT BEEN A RECALL ON THIS. DOES IT REALLY TAKE DEATHS FOR GM TO ACT ON DEFECTS THEY ARE AWARE OF? I HAVE A 1988 JEEP WRANGLER AND THE BRAKE LINES LOOK A LOT BETTER THAN THOSE ON MY TRUCK. THE SAD THING IS YOU CANT EVEN BUY THE BREAK LINES FROM THE DEALER BECAUSE THEY DON'T SELL THEM, WOULD SOMEONE PLEASE LOOK DEEPER INTO THIS BEFORE SOMEONE ELSE GETS KILLED OR INJURED. *TR
I HAVE BEEN HAVING TROUBLE STARTING MY 2004 GMC, SOMETIME WHEN I TURNED THE KEY IT WOULD DO NOTHING, I HAD IT TOWED IN AND SPENT OVER $500 TO REPAIR IT, ALTERNATOR, BATTERY ETC, AND IT DID NOT FIX THE PROBLEM. WHEN I GOT IT BACK, AND IT DID IT AGAIN, I FOUND THAT IF I MOVED THE STEERING WHEEL UP AND DOWN WITH THE LEVER, IT WOULD…
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I HAVE BEEN HAVING TROUBLE STARTING MY 2004 GMC, SOMETIME WHEN I TURNED THE KEY IT WOULD DO NOTHING, I HAD IT TOWED IN AND SPENT OVER $500 TO REPAIR IT, ALTERNATOR, BATTERY ETC, AND IT DID NOT FIX THE PROBLEM. WHEN I GOT IT BACK, AND IT DID IT AGAIN, I FOUND THAT IF I MOVED THE STEERING WHEEL UP AND DOWN WITH THE LEVER, IT WOULD THEN START. YESTERDAY I WENT OUT TO START MY TRUCK IN MY DRIVEWAY, AND THE KEY WILL NOT TURN IN THE IGNITION. IT FEELS LIKE THE IGNITION CAME APART OR SOMETHING INSIDE. THE STEERING WHEEL IS NOT LOCKED. IT IS RIDICULOUS THAT I WILL HAVE TO PAY TO HAVE THIS VEHICLE TOWED IN AGAIN AND PAY TO REPAIR THE IGNITION, WHEN GM HAS BEEN HAVING HUGE PROBLEMS WITH IGNITIONS! I HAVE HAD OTHER PROBLEMS WITH THIS VEHICLE TO INCLUDE A FIRE UNDER THE DASH. MY INSURANCE COVERED IT BECAUSE A FUSE MELTED AND DID NOT DO IT'S JOB, HOWEVER NOW MY SPEEDOMETER DOES NOT WORK, AND THEY WANT ME TO PAY FOR A NEW WIRING HARNESS WHICH I WILL NOT DO. I USE MY GPS TO TRACK MY SPEED! THE REAR TRANSFER CASE WENT ON IT, AND I SPENT $1,800 TO HAVE A NEW ONE INSTALLED. THERE HAVE BEEN OTHER SMALL THINGS, BUT THOSE ARE THE MAJOR PROBLEMS I HAVE HAD OVER THE YEARS. I AM LIKE EVERY OTHER AVERAGE PERSON. I HAD NO IDEA HOW TO GET GM TO FIX THEM, SO I JUST PAID MYSELF! WHEN I WAS RESEARCHING HOW TO REPLACE THE IGNITION, I CAME ACROSS YOUR SITE. I HAVE NO IDEA WHAT I CAN DO ABOUT THIS OR HOW TO GO ABOUT IT. I NEED MY TRUCK AS SOON AS POSSIBLE, SO I WILL PROBABLY GET STUCK PAYING AGAIN! THANK YOU *TR
COMING UP DRIVEWAY IN 2004 GMC SIERRA PICKUP TRUCK AND WENT TO APPLY THE BRAKES AND THE PEDAL WENT STRAIGHT TO THE FLOOR - NO BRAKES. HAD TO PUSH EMERGENCY BRAKE TO STOP TRUCK. AFTER GETTING OUT OF THE TRUCK, SAW FLUID LEAKING OUT BENEATH TRUCK UNDER DRIVER'S SIDE DOOR. LOOKED UNDER VEHICLE AND FOUND BRAKE LINES HAD RUSTED CO…
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COMING UP DRIVEWAY IN 2004 GMC SIERRA PICKUP TRUCK AND WENT TO APPLY THE BRAKES AND THE PEDAL WENT STRAIGHT TO THE FLOOR - NO BRAKES. HAD TO PUSH EMERGENCY BRAKE TO STOP TRUCK. AFTER GETTING OUT OF THE TRUCK, SAW FLUID LEAKING OUT BENEATH TRUCK UNDER DRIVER'S SIDE DOOR. LOOKED UNDER VEHICLE AND FOUND BRAKE LINES HAD RUSTED COMPLETELY THROUGH AND BRAKE FLUID WAS DRAINING OUT. *TR
TL* THE CONTACT OWNS A 2004 GMC SIERRA 1500. THE CONTACT STATED THAT WHEN ATTEMPTING TO APPLY THE BRAKES, THE BRAKE PEDAL EXTENDED TO THE FLOOR. AFTER INSPECTING THE VEHICLE HE NOTICED THAT BRAKE FLUID WAS LEAKING AND THE BRAKE LINES WERE CORRODED WHICH CAUSED IT TO BURST. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC T…
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TL* THE CONTACT OWNS A 2004 GMC SIERRA 1500. THE CONTACT STATED THAT WHEN ATTEMPTING TO APPLY THE BRAKES, THE BRAKE PEDAL EXTENDED TO THE FLOOR. AFTER INSPECTING THE VEHICLE HE NOTICED THAT BRAKE FLUID WAS LEAKING AND THE BRAKE LINES WERE CORRODED WHICH CAUSED IT TO BURST. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 48,000. THE CURRENT MILEAGE WAS 70,892.
TL* THE CONTACT OWNS A 2004 GMC SIERRA 1500. THE CONTACT STATED WHILE DRIVING 45 MPH A DEER SUDDENLY JUMPED IN THE MIDDLE OF THE STREET. THE CONTACT IMMEDIATELY DEPRESSED THE BRAKE PEDAL BUT THEY EXTENDED TO THE FLOOR AND FAILED TO STOP THE VEHICLE. IMMEDIATELY FOLLOWING THE FAILURE THE BRAKE LIGHT ILLUMINATED. THE VEHICLE WAS T…
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TL* THE CONTACT OWNS A 2004 GMC SIERRA 1500. THE CONTACT STATED WHILE DRIVING 45 MPH A DEER SUDDENLY JUMPED IN THE MIDDLE OF THE STREET. THE CONTACT IMMEDIATELY DEPRESSED THE BRAKE PEDAL BUT THEY EXTENDED TO THE FLOOR AND FAILED TO STOP THE VEHICLE. IMMEDIATELY FOLLOWING THE FAILURE THE BRAKE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE DEALER STATED THE ENTIRE BRAKE LINE NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 118,000.
BRAKES FAILED WITHOUT WARNING AND VEHICLE WOULD NOT STOP. PULLING INTO CAR WASH AND WHEN BRAKES WERE APPLIED THE PEDAL WENT TO THE FLOOR AND THE TRUCK WENT OUT THE OTHER SIDE OF THE CAR WASH. COULD HAVE BEEN VERY DANGEROUS AS I PULL AN EQUIPMENT TRAILER WITH 7000 POUNDS ON IT AND IT WOULD HAVE BEEN IMPOSSIBLE TO STOP. I WILL NEV…
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BRAKES FAILED WITHOUT WARNING AND VEHICLE WOULD NOT STOP. PULLING INTO CAR WASH AND WHEN BRAKES WERE APPLIED THE PEDAL WENT TO THE FLOOR AND THE TRUCK WENT OUT THE OTHER SIDE OF THE CAR WASH. COULD HAVE BEEN VERY DANGEROUS AS I PULL AN EQUIPMENT TRAILER WITH 7000 POUNDS ON IT AND IT WOULD HAVE BEEN IMPOSSIBLE TO STOP. I WILL NEVER OWN A GM PRODUCT AGAIN. THIS IS UNACCEPTABLE. *TR
GAUGES WORK SOME TIMES AND DON'T,LIGHTS GO OFF AND ON THE DASH WHEN THEY DO THIS AT NIGHT IT'S HARD TO SEE WHAT SPEED YOUR DOING OUR HOW MUCH FUEL YOU HAVE. THIS SEEMS TO BE A PROBLEM WITH A LOT OF THE TRUCKS MY NEIGHBORS TRUCK IS DOING THE SAME THING. *TR
ENTIRE BRAKE LINE FAILURE DO TO RUSTED BRAKE LINES. *TR
BRAKES ENGAGED THE ANTILOCK DEVICE EVEN AS I WAS DRIVING ON DRY PAVEMENT. THIS HAPPENED OFTEN, AND IF YOU ARE NOT CAREFUL WITH FOLLOWING DISTANCE YOU'LL REAR END THE VEHICLE IN FRONT OF YOU. THIS HAPPENS IN A RANDOM FASHION THAT THE ANTILOCK DEVICE GETS ENGAGED. *JS
Official recalls
204V562000 · 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.
04V240000 · Tires:temporary/emergency Spare Tire
May 17, 2004
THE SPARE TIRE AND WHEEL ASSEMBLY THAT WAS PROVIDED ON CERTAIN CONVERSION VEHICLES WILL NOT FIT ON THE FRONT WHEEL HUB DUE TO OFFSET OF THE WHEEL. HOWEVER, IT WILL FIT ON THE REAR WHEELS.
Consequence & remedy
Consequence: IF SOMEONE HAS A FLAT TIRE ON THE FRONT WHEEL, THEY WILL NOT BE ABLE TO INSTALL THE PROVIDED SPARE TIRE.
Remedy: DEALERS WILL INSTALL A SPARE WHEEL WITH THE CORRECT OFFSET. OWNER NOTIFICATION BEGAN ON JUNE 11, 2004. OWNERS SHOULD CONTACT REGENCY AT 1-800-989-4727.
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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