1999 GMC Sierra 1500 Service Brakes, Hydraulic Problems
Owners have filed 70 complaints with NHTSA about service brakes, hydraulic problems on the 1999 GMC Sierra 1500, 44% of all complaints for this model year. Half of the reports with a mileage happened before 94,542 miles. The words owners use most often: “brake lines” (39% of reports).
- 70service brakes, hydraulic complaints
- 94,542median miles at failure
- 6mention a crash
- 0mention an injury
- 0related recalls
- $1,650typical repair cost reported by owners
- 15%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 27 of 70 complaints (39%)
- Pedal went: mentioned in 14 of 70 complaints (20%)
- ABS failed: mentioned in 5 of 70 complaints (7%)
- Fluid leaking: mentioned in 5 of 70 complaints (7%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical service brakes, hydraulic repair on the 1999 GMC Sierra 1500 at $1,650, and half of them between $1,200 and $2,500.
Based on 11 NHTSA complaints about this problem alone that state a repair bill or quote (2002–2012), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do service brakes, hydraulic problems happen?
Based on 55 complaints that reported the odometer reading.
How serious are the reports?
Of 70 complaints, 6 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 1999 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.
Tl* the contact owns a 1999 gmc sierra 1500. While driving at an unknown speed, the brakes failed as the brake warning indicator illuminated. The vehicle was taken to a mechanic, who stated that the brake lines failed and were rusted. The vehicle was not repaired and the manufacturer was notified…
Stopped in my driveway to get newspaper and mail. I got back into the truck and applied the brake to shift into drive. The brake pedal went to the floor. I coasted up the driveway and was able to stop. When i got out of the truck there was a trail of brake fluid. The leak was coming from under the…
Upon leaving my driveway to the first intersection the brake pedal went all the way to the floorboard. I got the truck home and parked it. I thought the anti-lock part was probably the problem. Expensive as that part is i just let the truck sit. One day i left a piece of cardboard under the truck…
Frequently asked questions
Do all 1999 GMC Sierra 1500s have service brakes, hydraulic problems?
No. NHTSA has 70 owner complaints about service brakes, hydraulic for the 1999 GMC Sierra 1500 (44% of the 158 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 1999 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 94,542 miles: half of the reports with a mileage came before that.
How much does it cost to fix service brakes, hydraulic problems on the 1999 GMC Sierra 1500?
Owners report a typical cost of $1,650 (half paid between $1,200 and $2,500), from 11 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about service brakes, hydraulic problems on the 1999 GMC Sierra 1500?
The most frequent phrase is “brake lines”, in 27 of 70 complaints, followed by “pedal went” (14).
See all 1999 GMC Sierra 1500 problems or service brakes, hydraulic problems across all Sierra 1500 years.