GMC Sonoma service brakes, hydraulic problems by year
438 NHTSA owner complaints name the service brakes, hydraulic across 13 Sonoma model years. The most reported year is 1994 with 131 reports.
| Year | Service Brakes, Hydraulic reports | Share | Median mileage | |
|---|---|---|---|---|
| 2003 Sonoma | 4 | 10% | — | |
| 2002 Sonoma | 14 | 25% | — | |
| 2001 Sonoma | 13 | 15% | — | |
| 2000 Sonoma | 30 | 22% | — | |
| 1999 Sonoma | 7 | 12% | — | |
| 1998 Sonoma | 15 | 10% | — | |
| 1997 Sonoma | 35 | 32% | — | |
| 1996 Sonoma | 49 | 33% | — | |
| 1995 Sonoma | 80 | 38% | — | |
| 1994 Sonoma | 131 | 58% | — | |
| 1993 Sonoma | 31 | 53% | — | |
| 1992 Sonoma | 15 | 60% | — | |
| 1991 Sonoma | 14 | 48% | — |
Share is the fraction of that year’s complaints naming the service brakes, hydraulic. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.