Total Complaints
33 filings
GMC SONOMA · model year
33 NHTSA complaints, 3 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1992GMCSONOMA carries 33 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 3 crashes, 0 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1992 SONOMA is service brakes, hydraulic:antilock/traction control/electronic limited slip with 11 filings, followed by service brakes, hydraulic:foundation components:disc (3) and service brakes, hydraulic:foundation components:disc:pads (2). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 2 investigation files overlapping the 1992 SONOMA. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
33 filings
Crashes Reported
3 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 11 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC | 3 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS | 2 |
| EQUIPMENT:MECHANICAL:CARRIER/RACK | 2 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM | 1 |
| POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE) | 1 |
| FUEL SYSTEM, GASOLINE:CARBURETOR SYSTEM | 1 |
| ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR | 1 |
| SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES | 1 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE) | 1 |
| SUSPENSION:REAR | 1 |
| STRUCTURE:FRAME AND MEMBERS | 1 |
| VEHICLE SPEED CONTROL | 1 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM | 1 |
| FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM | 1 |
AFTER CONSUMER'S VEHICLE WAS HIT AT 35 MPH ON THE FRONT DRIVER SIDE FRONTAL AIR BAGS DID NOT DEPLOY. DEALERSHIP WAS NOTIFIED, BUT DID NOT RESOLVE THE PROBLEM. *AK
Mileage: 30,000
THE VEHICLE WAS PARKED WHEN IT SUDDENLY ROLLED BACKWARDS AND KNOCKED THE CONSUMER DOWN. THE CONSUMER WAS NOT HURT. *NLM
IT WAS APPROX. 70 DEG. F. WE WERE GOING ABOUT 60 MPH. ON THE PA. TURNPIKE EAST OF PITTSBURGH. THE TIRES LOOKED FINE THE LAST TIME WE STOPPED. THEY HAD 80 PSI. IN THEM, WHICH IS MAX PRESSURE FOR THOSE TIRES. THE LEFT REAR OUTSIDE TIRE JUST EXPLODED, IT THREW THE ENTIRE TREAD OFF, LEAVING THE DEAD CARCASS ON THE WHEEL. I DON'T HAVE THE DOT NUMBER BECAUSE WHEN WE GOT BACK, I WENT TO THE BRIDGESTONE/FIRESTONE COMPANY STORE IN MERRILLVILLE, IN. AND COMPLAINED. THEY REPLACED THE TIRE FREE OF CHARGE. MY FATHER BOUGHT THOSE TIRES IN 1997. THEY ARE THE SAME AS WHAT WAS ORIGINAL ON THE MOTORHOME. I AQUIRED IT FROM HIM IN AUGUST. THE BAD PART IS THE DAMAGE TO THE SHEET METAL THE TREAD DID UNDERNEITH THIS THING WHEN IT FLEW OFF. I HAVE TO FIX THAT MYSELF. BY THE WAY, THE TIRE HAD 14/32" TREAD DEPTH ON THE PIECE I BROUGHT BACK TO THEM. THE NEW TIRE MEASURED JUST UNDER 16/32" (TIRESIZE: LT21585R16)( DOT NUMBER: TIRE SIZE: LT21585R16 )
RIGHT FRONT BRAKES WEAR EXCESSIVELY IN SHOR PERIOD OF TIME. BRAKING BECOMES DIFFICULT AND VEHICLE HAS TENDENCY TO VEER TO THE RIGHT WHEN BRAKING. MUST EXERT EXTREME PRESSURE ON BRAKE PEDAL TO BRING VEHICLE TO A COMPLETE STOP. RESIDUE FROM BRAKE SHOES IS EVIDENT ON WHEEL
ON THE THREE OCCASIONS ,WHEN THE AIR TEMPERATURE IS HIGH AND IT IS QUITE HUMID WITH AIR CONDITIONER ON CLUTCH ASSEMBLY WILL FAIL TO THE POINT WHERE THE CLUTCH WILL NOT DISENGAGE THE GEARS. CONSUMER HAS TO TURN OFF IGNITION AND MUST WAIT ABOUT 15 MIN, SO IT CAN COOL DOWN. A PRIVATE TRANSMISSION GARAGE CLAIMED ENGINE WILL GET HOT, CAUSING HYDRALIC CLUTCH TO BOIL WHICH WILL CAUSE LOSS OF ABILITY TO MOVE CLUTCH PLATES ,NOT ALLOWING THE CLUTCH TO DISENGAGE.*AK
DEALER FAILED TO REPAIR WHEN WE COMPLAINED ABOUT FUEL/STARTING/ROUGH ENGINE ON 6/93;2/94;5/94. DLR REPLACED FUEL PUMP/PVC 10/94; COST $600+ FOR FUEL INJECTOR/PLENUM 9/98; AGAIN JUST COST $600+ 7/2000 FOR FUEL INJECTOR/PLENUM. ADVISED GMC HAS WEST COAST ONLY BULLETIN #99034A REF: PROBLEM. GAS EATS THE GASKET/PLENUM AND LOSS OF FUEL REGULATION. NO NOTICE TO OWNERS. **PLENUM/FUEL INJECTOR SPRAYS PURE GAS AND IS FIRE HAZARD**. VEHICLE EMITS FUMES.*AK
FRONT BRAKES EVIDENCE EXCESSIVE WEAR IN A SHORT PERIOD OF TIME. MORE THAN 50% WEAR IS LESS THAN 10,000 MILES. *AK
THE ORIGINAL EXHAUST MANIFOLD FAILED AND WAS REPLACED AT ABOUT 60,000 MILES. THIS WAS PAID FOR BY THE OWNER. THE REPLACED MANIFOLD FAILED IN THE WINTER OF 1998/99 AND HAS NOT BEEN REPLACED BECAUSE IT APPEARS TO BE A DEFECTIVE DESIGN.
WHILE DRIVING WHEN THE BRAKES APPLIED PEDAL WENT TO THE FLOOR, CAUSING EXTENDED STOPPING DISTANCE, WHICH EVENTUALLY RESULTED IN AN ACCIDENT. DEALER HAS BEEN CONTACTED. *AK
INTERMITTENTLY WHILE BRAKING, VEHICLE LUNGES FORWARD, AND EXTENDED STOPPING DISTANCE OCCURS, WHICH MAY RESULT IN A CRASH. DEALER CANNOT DETERMINE THE CAUSE OF THE PROBLEM. PLEASE PROVIDE FURTHER INFORMATION AND VIN#. *AK
INTERMITTENTLY WHILE BRAKING, VEHICLE LUNGES FORWARD, AND EXTENDED STOPPING DISTANCE OCCURS, WHICH MAY RESULT IN A CRASH. DEALER CANNOT DETERMINE THE CAUSE OF THE PROBLEM. PLEASE PROVIDE FURTHER INFORMATION AND VIN#. *AK
THE DRIVIER SIDE REAR END SUSPENSION/THE CROSSMEMBER AND THE BODY MOUNTS RUBBER BROKE OFF IN WHICH THE CROSSMEMBER FELL, AND HA POINT BOLT MOVING UP AND DOWN, PINCHING HOLES IN THE FUEL LINE, IN WHICH IF A SOURCE OF IGNITION, IT MAY HAVE STARTED A FIRE. *AK
THE DRIVIER SIDE REAR END SUSPENSION/THE CROSSMEMBER AND THE BODY MOUNTS RUBBER BROKE OFF IN WHICH THE CROSSMEMBER FELL, AND HA POINT BOLT MOVING UP AND DOWN, PINCHING HOLES IN THE FUEL LINE, IN WHICH IF A SOURCE OF IGNITION, IT MAY HAVE STARTED A FIRE. *AK
WHILE DRIVING THE SPARE TIRE CABLE UNDER VEHICLE BROKE, CAUSING THE TIRE TO FALL OUT FROM UNDER VEHICLE. PLEASE PROVIDE DETAILS. *AK
WHEN DRIVER APPLIES THE BRAKES THEY DON'T RESPOND. *AK
BRAKES FADE WHEN ENGAGED.
EGR VALVE FAILED, RECALL ON THIS ITEM HOWEVER VEHICLE DOES NOT QUALIFY DUE TO MILEAGE.
ANTI LOCK BRAKES FAILED, CAUSING ACCIDENT, EXTENSIVE REPAIRS MADE TO BRAKE SYSTEM, HOWEVER PROBLEM STILL EXISTS.
BRAKE PEDAL WENT TO FLOOR.
WHILE DRIVING VEHICLE UNDER 10 MPH, ONE DAY COMING OUT OF HIS HOME DRIVEWAY COULDN'T STOP VEHICLE, THAT WAS THE FIRST TIME. BUT THE SECOND TIME ANOTHER DRIVER TRIED TO MAKE A LEFT TURN INFRONT OF CONSUMER, AND COULDN'T STOP VEHICLE, REAR ENDING THE OTHER VEHICLE. *AK
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.