1991 GMC Sonoma service brakes, hydraulic problems
14 owner complaints filed with NHTSA name the service brakes, hydraulic on the 1991 GMC Sonoma — 48% of all complaints for this model year.
What owners report
“Consumer had to replace the rear brake shoes and tail pipe. The consumer took the vehicle to the dealer for exhaust repair. The dealer suggested that eh consumer take the vehicle to the muffler shop for a header pipe patch. The consumer is interested in knowing if a header pipe patch is illegal…”
filed Jul 14, 2003
“Consumer received recall 99v193, however the dealer is stating that the consumer is not eligible for the recall because the serial number did not come up on his computer. *slc”
filed Jan 31, 2001
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% |
| 1993 Sonoma | 31 | 53% |
| 1992 Sonoma | 15 | 60% |
Other reported problem areas on the 1991 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.