2003 GMC Sierra 2500 brakes problems
Owners reported brakes problems in 75 complaints for the 2003 GMC Sierra 2500, 39% of the complaints on file. It is the most reported problem area for this model year.
At a glance
- Complaints
- 75 39% of this year's complaints
- Typical mileage
- 76,000 miles 68 complaints with mileage
- Crashes and fires
- 4 and 1
- Injuries and deaths
- 2 and 0
Source: NHTSA owner complaints
When brakes problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 1 |
| 20k to 40k miles | 6 |
| 40k to 60k miles | 17 |
| 60k to 80k miles | 14 |
| 80k to 100k miles | 9 |
| 100k to 120k miles | 8 |
| 120k to 140k miles | 5 |
| 140k to 160k miles | 3 |
| 160k to 180k miles | 2 |
| 180k to 200k miles | 0 |
| 200k+ miles | 3 |
What the data shows
Of the 68 brakes complaints that report mileage, the median is about 76,000 miles, and 35% were reported before 60,000 miles.
These complaints mention 4 crashes, 1 fire, 2 injuries.
What owners wrote
2003 GMC sierra denali with brake line failure problems. *tgw the consumer complained of a very soft pedal and sometimes the pedal would go to the floor before stopping. The dealer claimed nothing was wrong. The consumers wife was driving the vehicle and when she applied the brakes, on an incline, she traveled backwards out of control and struck the neighborhood sign. She experienced neck and back pain.
Trip from long island new york to freeport maine. Traveling 65-70 MPH during trip on highway 95. Arrived in freeport. Checked into hotel. Went out to truck 2 hours later with the intention of attending an event. Stepped on brake, started truck, brake pedal went to the floor. Pumped the brake pedal but it would not recover from the floor. Checked under truck for leaks and found badly rusted brake lines had burst releasing copious amounts of brake fluid.
Other problems reported for the 2003 GMC Sierra 2500
- Electrical system 36 complaints
- Fuel system 15 complaints