1993 GMC Sonoma Engine cooling Problems
- Complaints
- 7about this part
- Share
- 12%of 58 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the engine cooling of the 1993 GMC Sonoma, 12% of the 58 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The EGR valve gets full of carbon and, about every 1000 miles, cause the truck to quit and the brakes to stop operating, putting our safety at risk. I bought the truck used from my father-in-law and he did not encounter this problem. I have taken the truck to the same mechanic that he did and he has cleaned out the carbon twice now. But I took it to the original dealer and they found the same problem and said they have found that around the high 90,000 and 100,000 mileage mark, this EGR valve is a problem in this truck engine. …”
NHTSA complaint #725815, filed 2000-07“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 times,and rear drums 3 times, electical componets every 6mo to year, now radiator is going go through 4 tires every 4 to 6 mo,and other problems with dealer!!!!!!”
NHTSA complaint #737242, filed 2000-12“Engine oil cooler line hose broken causing oil leakage, due to design flaw, both brake line and cooler line are located together and the friction/chaffing resulted in broken line. Yh”
NHTSA complaint #549121, filed 1999-10Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 1 | 3% |
| 2002 | 4 | 7% |
| 2001 | 7 | 8% |
| 2000 | 6 | 4% |
| 1999 | 4 | 7% |
| 1998 | 11 | 7% |
| 1997 | 8 | 7% |
| 1996 | 19 | 13% |
| 1995 | 26 | 12% |
| 1994 | 12 | 5% |
| 1993 | 7 | 12% |
| 1992 | 2 | 8% |
| 1991 | 4 | 14% |
Other parts of the 1993 GMC Sonoma
32 complaintsTransmission and drivetrain
7 complaintsElectrical system
5 complaintsVehicle speed control
4 complaintsSeats
3 complaintsSteering
2 complaintsSuspension
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsLatches, locks and linkages
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsTires
1 complaints
← All problems reported for the 1993 GMC Sonoma
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology