2003 GMC Sierra 1500 Service Brakes, Hydraulic Problems
Owners have filed 50 complaints with NHTSA about service brakes, hydraulic problems on the 2003 GMC Sierra 1500, 28% of all complaints for this model year. Half of the reports with a mileage happened before 63,988 miles. The words owners use most often: “brake lines” (50% of reports).
- 50service brakes, hydraulic complaints
- 63,988median miles at failure
- 3mention a crash
- 0mention an injury
- 0related recalls
- 6%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Brake lines: mentioned in 25 of 50 complaints (50%)
- Pedal went floor: mentioned in 7 of 50 complaints (14%)
- Anti lock: mentioned in 5 of 50 complaints (10%)
At what mileage do service brakes, hydraulic problems happen?
Based on 44 complaints that reported the odometer reading.
How serious are the reports?
Of 50 complaints, 3 mention a crash.
GMC Sierra 1500 service brakes, hydraulic complaints by model year
| Model year | Service Brakes, Hydraulic complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Sierra 1500 | 1 | 1% | 300 |
| 2024 Sierra 1500 | 1 | 0% | 13,000 |
| 2023 Sierra 1500 | 3 | 1% | 24,500 |
| 2022 Sierra 1500 | 2 | 0% | 31,000 |
| 2021 Sierra 1500 | 1 | 0% | 77,000 |
| 2020 Sierra 1500 | 3 | 1% | 102,000 |
| 2019 Sierra 1500 | 8 | 1% | 41,160 |
| 2018 Sierra 1500 | 4 | 1% | 93,500 |
| 2017 Sierra 1500 | 6 | 2% | 49,000 |
| 2016 Sierra 1500 | 6 | 2% | 54,500 |
| 2015 Sierra 1500 | 11 | 2% | 71,750 |
| 2014 Sierra 1500 | 5 | 1% | 151,477 |
| 2010 Sierra 1500 | 1 | 1% | 100 |
| 2009 Sierra 1500 | 2 | 1% | 34,000 |
| 2008 Sierra 1500 | 7 | 2% | 24,000 |
| 2007 Sierra 1500 | 8 | 3% | 17,000 |
| 2006 Sierra 1500 | 25 | 17% | 28,545 |
| 2005 Sierra 1500 | 17 | 10% | 35,176 |
| 2004 Sierra 1500 | 22 | 10% | 47,580 |
| 2003 Sierra 1500 | 50 | 28% | 63,988 |
| 2002 Sierra 1500 | 53 | 32% | 65,625 |
| 2001 Sierra 1500 | 59 | 42% | 77,499 |
| 2000 Sierra 1500 | 78 | 43% | 89,437 |
| 1999 Sierra 1500 | 70 | 44% | 94,542 |
| 1998 Sierra 1500 | 15 | 25% | 76,000 |
| 1997 Sierra 1500 | 15 | 18% | 138,517 |
| 1996 Sierra 1500 | 2 | 40% | 110,000 |
When owners reported it
Related recalls (0)
No safety recall lists service brakes, hydraulic for the 2003 GMC Sierra 1500. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
While having my vehicle check over for the winter, the mechanic inform me that the front brake lines are very rusty as well as the fuel lines and the cooling lines going to the transmission. This situation is very disturbing since i have very low mileage. The tubing used for the brake as well as…
Tl* the contact owns a 2003 gmc sierra 1500. The contact stated that while driving 30 mph, the vehicle failed to respond to deceleration attempts and that the brake warning light illuminated. The contact inspected the brakes and noticed that the failure was due to corrosion. The vehicle was not…
Tl* the contact owns a 2003 gmc sierra 1500. The contact stated while driving in reverse the brake pedal was stuck to the floor. The emergency brake had to be applied in order to stop the vehicle. The vehicle was towed to the dealer and the failure was located within the brake lines due to…
Frequently asked questions
Do all 2003 GMC Sierra 1500s have service brakes, hydraulic problems?
No. NHTSA has 50 owner complaints about service brakes, hydraulic for the 2003 GMC Sierra 1500 (28% of the 180 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2003 GMC Sierra 1500 service brakes, hydraulic?
No recall currently lists service brakes, hydraulic for this vehicle.
At what mileage do service brakes, hydraulic problems start?
The median reported mileage is 63,988 miles: half of the reports with a mileage came before that.
What do owners say about service brakes, hydraulic problems on the 2003 GMC Sierra 1500?
The most frequent phrase is “brake lines”, in 25 of 50 complaints, followed by “pedal went floor” (7).
Other 2003 GMC Sierra 1500 problems
See all 2003 GMC Sierra 1500 problems or service brakes, hydraulic problems across all Sierra 1500 years.