1993 GMC Sonoma service brakes, hydraulic problems
31 owner complaints filed with NHTSA name the service brakes, hydraulic on the 1993 GMC Sonoma — 53% of all complaints for this model year.
What owners report
“Dealer failed, gm called but steve, said it was all in my head. Took vehicle to derry brothers in burlinton, iowa , but still having problems, had to pin the brake caliper pins and put set screw to hold them in, replaced water pump 3 times brakes 24 times, calipers 3 times, front rottors 3…”
filed Dec 13, 2000
“When driving vehicle at various speeds, abs brakes would fail to stop vehicle. Would fade out, and stopping distance has been increased. Vehicle also hesitated in reverse. When in drive position would ramble & lose power. Also, there are defective valves in engine. Also defective driveshaft rubber…”
filed Dec 2, 1999
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes, Hydraulic problems in other Sonoma years
| Year | Reports | Share |
|---|---|---|
| 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% |
| 1992 Sonoma | 15 | 60% |
| 1991 Sonoma | 14 | 48% |
Other reported problem areas on the 1993 GMC Sonoma
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.