← New search

2004 GMC Sierra 2500

Owner reports · Recalls · Investigations

More warning signs than most Sierra 2500 years

Owner complaints for the 2004 GMC Sierra 2500 are substantially higher than the model-year median of 46.

About this comparison →

When problems were reported

Mileage at the reported incident

122 reports with mileage · 21 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 48 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 33 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.

4 crash reports4 fire reports3 injury reports

Service Brakes complaints

33 reports
Clear category filter
87,000 miles · Sep 18, 2012
Service Brakes

LEAVING WORK I PULLED OUT FROM THE PARKING LOT AND DROVE ABOUT 500 YARDS. WENT TO APPLY BRAKES AND PEDAL WENT TO THE FLOOR. I WAS ABLE TO MAKE IT BACK TO MY WORK PARKING LOT AND STOPPED THE TRUCK. NOTICED THAT BRAKE FLUID WAS POURING FROM UNDER THE TRUCK IN TWO PLACES. ONE LEAK WAS UNDER THE DRIVERS AREA AND THE OTHER WAS IN…

Read full complaint

LEAVING WORK I PULLED OUT FROM THE PARKING LOT AND DROVE ABOUT 500 YARDS. WENT TO APPLY BRAKES AND PEDAL WENT TO THE FLOOR. I WAS ABLE TO MAKE IT BACK TO MY WORK PARKING LOT AND STOPPED THE TRUCK. NOTICED THAT BRAKE FLUID WAS POURING FROM UNDER THE TRUCK IN TWO PLACES. ONE LEAK WAS UNDER THE DRIVERS AREA AND THE OTHER WAS IN FRONT OF THE LEFT REAR WHEEL. THE PLACE I WORK HAS A CAR LIFT. PUT THE TRUCK ON THE LIFT AND THE BRAKE LINES WERE RUSTED THROUGH. THE TRUCK HAS ENORMOUS AMOUNTS OF RUST ON THE FRAME, SUSPENSION, AND AXLES. THIS TRUCK IS NOT MY DAILY DRIVER. I DO NOT LIVE NEAR THE OCEAN NOR DO I PUSH SNOW WITH IT. I HAVE NEVER SEEN BRAKE LINES RUST OUT LIKE THIS. GM STATED THAT I HAD TO TAKE IT TO A DEALER FOR INSPECTION. AFTER READING UP ON THE TOPIC I KNOW GM WON'T DO ANYTHING ABOUT THE LINES. I ALREADY ORDERED STAINLESS STEEL BRAKE LINES FOR THE TRUCK AND WILL INSTALL THEM. HOPEFULLY GM WILL REIMBURSE OWNER FOR THIS EXPENSE. *TR

NHTSA ODI #10475854

58,000 miles · Jul 25, 2012
Service Brakes

LEAVING SMALL RURAL ROAD. BRAKE PEDAL WENT TO FLOOR AND VEHICLE ROLLED THROUGH STOP SIGN. NO ONCOMING TRAFFIC. UPON INSPECTION, LEFT FORWARD BRAKE LINE HAD RUPTURED DUE TO CORROSION. ONLY MATTER OF TIME BEFORE OTHER BRAKE LINES WILL FAIL. *TR

NHTSA ODI #10467596

33,000 miles · Jun 26, 2012
Service Brakes

TL* THE CONTACT OWNS A 2004 GMC SIERRA 2500 HD. THE CONTACT STATED THAT WHILE DRIVING 25 MPH DOWNHILL, THE DRIVER WAS ATTEMPTING TO BRAKE AND THE PEDAL DEPRESSED TO THE FLOOR. THE CONTACT MENTIONED THAT THE FAILURE OCCURRED TWICE BEFORE. THE VEHICLE WAS TAKEN TO THE DEALER, WHO DIAGNOSED THAT THE BRAKE LINES WERE COMPLETELY CORR…

Read full complaint

TL* THE CONTACT OWNS A 2004 GMC SIERRA 2500 HD. THE CONTACT STATED THAT WHILE DRIVING 25 MPH DOWNHILL, THE DRIVER WAS ATTEMPTING TO BRAKE AND THE PEDAL DEPRESSED TO THE FLOOR. THE CONTACT MENTIONED THAT THE FAILURE OCCURRED TWICE BEFORE. THE VEHICLE WAS TAKEN TO THE DEALER, WHO DIAGNOSED THAT THE BRAKE LINES WERE COMPLETELY CORRODED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 33,000 AND THE CURRENT MILEAGE WAS 36,000.

NHTSA ODI #10463144

Official recalls

1

04V562000 · 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

0

No exact-year investigations in this snapshot.