2004 GMC Sierra 2500 service brakes problems
33 owner complaints filed with NHTSA name the service brakes on the 2004 GMC Sierra 2500 — 23% of all complaints for this model year.
What owners report
“During cold mornings (wisconsin) I start my truck and I have no power steering and soft brakes. It is my understanding that the power steering runs the brake boost. Also, it is my understanding that there is a service bulletin that says that the power steering fluid should be replaced with low/cold…”
filed Jan 4, 2020
“I was traveling south on I-75 highway about 70 mph, in motion, in northern michigan and had to stop fast when an accident occurred in front of me. I slammed/mashed my foot on the brake pedal only to feel it fall to the floor, the metal hydraulic line failed and I now have no brakes at all!! I began…”
filed Aug 22, 2017
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other Sierra 2500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Sierra 2500 | 6 | 24% |
| 2024 Sierra 2500 | 14 | 14% |
| 2023 Sierra 2500 | 3 | 10% |
| 2022 Sierra 2500 | 4 | 10% |
| 2021 Sierra 2500 | 6 | 12% |
| 2020 Sierra 2500 | 12 | 16% |
| 2019 Sierra 2500 | 4 | 13% |
| 2017 Sierra 2500 | 8 | 22% |
| 2016 Sierra 2500 | 10 | 17% |
| 2015 Sierra 2500 | 5 | 6% |
| 2014 Sierra 2500 | 1 | 3% |
| 2013 Sierra 2500 | 3 | 7% |
Other reported problem areas on the 2004 GMC Sierra 2500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.