Total Complaints
68 filings
CHEVROLET G20 · model year
68 NHTSA complaints, 14 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1993CHEVROLETG20 carries 68 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 14 crashes, 2 fires, 13 injuries, 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 1993 G20 is service brakes, hydraulic:antilock/traction control/electronic limited slip with 23 filings, followed by electrical system:wiring:interior/under dash (3) and service brakes, hydraulic:foundation components (3). 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 57 investigation files overlapping the 1993 G20, and 2 remain open. 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
68 filings
Crashes Reported
14 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 | 23 |
| ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH | 3 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS | 3 |
| VEHICLE SPEED CONTROL:CABLES | 3 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR | 2 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS | 2 |
| VEHICLE SPEED CONTROL | 2 |
| WHEELS | 2 |
| POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL) | 2 |
| TIRES:TREAD/BELT | 2 |
| VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR | 1 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC | 1 |
| SUSPENSION:FRONT | 1 |
| SEAT BELTS:REAR/OTHER | 1 |
| SEAT BELTS:FRONT:RETRACTOR | 1 |
TL*THE CONTACT OWNS A 1993 CHEVROLET G20. THE CONTACT STATED THAT THE VEHICLE STALLED WHILE DRIVING UP AN INCLINE. THE VEHICLE WAS ABLE TO BE RESTARTED, BUT STALLED AND SHUT OFF WHEN THE CONTACT SHIFTED INTO THE DRIVE POSITION. THE VEHICLE WAS TOWED AND THE MECHANIC STATED THAT THE INCH AND A HALF LONG RUBBER HOSE FITTING, NEAR THE FUEL PUMP, WAS SPLIT. THE CURRENT MILEAGE IS 74,000 AND FAILURE MILEAGE WAS 72,000.
Mileage: 72,000
WHILE DRIVING ON THE HIGHWAY AT 65 MPH, THE LEFT REAR TIRE LOST TREAD. *AK THE CONSUMER STATED TWO OTHER TIRES EXPERIENCED TREAD SEPARATION. *JB *NM
Mileage: 73,000
CONSUMER STATES IF STARTS VEHICLE IN "PARK" GEAR CANNOT CHANGE GEAR TO ENGAGE VEHICLE. HAS TO START VEHICLE IN "NEUTRAL" GEAR IN ORDER TO BE ABLE TO ENGAGE. DEALER DIAGNOSED DEFECTIVE NEUTRAL PARK SWITCH AS THE CAUSE.*AK
WHILE THE CONSUMER WAS TRAVELING AT 50 MPH THE VEHICLE CAUGHT ON FIRE IN THE ENGINE COMPARTMENT. (OHIO TRAFFIC REPORT #10-91-525) *YH
WHILE DRIVING AT STATE SPEED LIMIT AND WITHOUT WARNING LEFT REAR WHEEL BEGAN TO SHAKE. CONSUMER WAS ABLE TO PULL OVER. HOWEVER, WHEEL WAS HANGING ON ONE BOLT.*AK
CONSUMER STATED THE VEHICLE PULLS TO THE RIGHT WHEN BRAKING, CONSUMER WAS INFORMRED THAT THE ABS MODULATOR NEEDS TO BE REPLACED.*JB
THE THROTTLE CABLE BROKE INSIDE PROTECTIVE CASING, CAUSING THE THROTTLE TO OPEN UP IN FULL THROTTLE, CONSUMER HAD TO SHIFT TRANSMISSION OUT OF DRIVE IN ORDER TO SLOW THE VEHICLE DOWN, THIS RESULTED IN DAMAGE TO THE TRANSMISSION. *YH
CONSUMER STATED THE VEHICLE PULLS TO THE RIGHT WHEN BRAKING, CONSUMER WAS INFORMRED THAT THE ABS MODULATOR NEEDS TO BE REPLACED.*JB
THE THROTTLE CABLE BROKE INSIDE PROTECTIVE CASING, CAUSING THE THROTTLE TO OPEN UP IN FULL THROTTLE, CONSUMER HAD TO SHIFT TRANSMISSION OUT OF DRIVE IN ORDER TO SLOW THE VEHICLE DOWN, THIS RESULTED IN DAMAGE TO THE TRANSMISSION. *YH
NO SUMMARY LISTED FOR ABOVE VEHICLE. *AK
DELTA SIERRA RADIAL P235/75R15, DOT UNKNOWN, REPLACEMENT EQUIPMENT WITH 18000 MILES ON A 1993, CHEVROLET, G20 VAN. WHILE DRIVING 65 MPH LEFT REAR TIRE HAD TREAD SEPARATION. TREAD WRAPPED AROUND AXLE, CAUSING LOSS OF BRAKES. CONSUMER AND HIS WIFE SUFFERED NECK AND BACK INJURIES. DAMAGE TO VEHICLE WAS $ 5000.00. *AK TIRE WAS DEFECTIVE. THE HYDRAULIC BRAKE FAILED AND THE EMERGENCY BRAKE WAS TORN OFF. *YH
WAS DRIVING 35 MPH & STARTED TO APPLY BRAKES FOR A STOP LIGHT, AND HAD NO BRAKES. WENT THROUGH LIGHT. BRAKES LOCKED UP FOR A BIT IN FRONT, BUT NOT IN REAR. CONTACTED & INFORMED DEALERSHIP NEXT DAY OF PROBLEM WITH VEHICLE. GIVEN RUN AROUND. FINALLY REFERRED TO MECHANIC. ELECTRIC COMPUTER CHIP OR PUMP WAS CAUSING PROBLEM OF BRAKING. *AK
VEHICLE EXPERIENCING PROBLEM WITH EXTENDED STOPPING DISTANCE WHENEVER BRAKES ARE APPLIED IN A SUDDEN STOP / EMERGENCY SITUATION. VEHICLE BEEN IN DEALER'S SHOP FOR INSPECTION, AND THEY INFORMED CONSUMER THAT THIS WAS NORMAL CONDITION FOR THAT VEHICLE. PLEASE FEEL FREE TO PROVIDE ANY FURTHER DETAILS. *AK
VEHICLE HAS BEEN AN ELECTRICAL NIGHTMARE - FEEL VERY UNSAFE AND I TRANSPORT LIVE ANIMALS TO SHOWS AS WELL AS EQUIPMENT AND PASSENGERS - VERY CONCERNED ABOUT POSSIBLE FIRE. HAVE HAD TO DRIVE SHIFT INTERLOCK MECHANISM BY STARTING VEHICLE IN NEUTRAL AND THEN SHIFTING OUT OF GEAR - DEALER HAS ADJUSTED AND REPLACED THIS FEATURE 5 TIMES ALSO REAR BACK UP LIGHTS ARE INTERMITENT AND HIGH REAR BRAKE LIGHT DOES NOT WORK.
VEHICLE HAS BEEN AN ELECTRICAL NIGHTMARE - FEEL VERY UNSAFE AND I TRANSPORT LIVE ANIMALS TO SHOWS AS WELL AS EQUIPMENT AND PASSENGERS - VERY CONCERNED ABOUT POSSIBLE FIRE. HAVE HAD TO DRIVE SHIFT INTERLOCK MECHANISM BY STARTING VEHICLE IN NEUTRAL AND THEN SHIFTING OUT OF GEAR - DEALER HAS ADJUSTED AND REPLACED THIS FEATURE 5 TIMES ALSO REAR BACK UP LIGHTS ARE INTERMITENT AND HIGH REAR BRAKE LIGHT DOES NOT WORK.
CONTINUE TO EXPERIENCE SHORTS IN THE ELECTRICAL SYSTEM, THE ABS LIGHT WILL COME ON AND THE VEHICLE WILL NOT ADVANCE OUT OF 1ST GEAR. PRIOR TO THIS EVENT THIS LAST TIME - WHEN THE AC WAS USED AT 70 MPH THERE WAS A STRONG ODOR THAT RESYMBLED BURNING WIRING AND THE VEHICLE WAS TAKEN TO OUT OF TOWN DEALER FOR SERVICE. DEALER DETERMINED WIRING TO REAR AC WAS INSUFFICIENT AND THE CIRCUIT WAS FUSED FOR PROTECTION TO GET ME AND MY SHOW DOGS BACK HOME ~200 MILES. VEHICLE DID MAKE IT HOME BUT THE NEXT MORNING WAS INOPERATIVE.
WHEN BRAKES WERE APPLIED IN AN EMERGENCY SITUATION THEY DID NOT RESPOND AS THEY SHOULD. PEDAL WAS NORMAL, BUT BRAKES GRABBED AND THEN RELEASED. VEHICLE KEPT COASTING INTO VEHICLE IN FRONT OF IT. GMC HAS BEEN CONTACTED. *AK
NO SUMMARY LISTED FOR ABOVE VEHICLE. *AK
THE DRIVERS SHOULDER AND LAP BELT IS PHYSICALLY TOO SHORT IN LENGTH AND PREVENTS FORWARD OR LATERAL MOVEMENT OF MORE THAN JUST A FEW INCHES, EVEN IF THE BRAKES ARE NOT APPLIED AND THE DRIVER MOVES HIS TORSO FORWARD SLOWLY SO AS NOT TO TRIGGER THE LOCKING MECHANISM. I AM NOT A LARGE PERSON ALTHOUGH MY HEIGHT 6'1" AND MY FRAME 210LBS. WOULD PUT MY IN THE UPPER PERCENTILE OF DRIVERS. BECAUSE THE BELT IS SO SHORT , IT BECOMES NECESSARY TO UNBUCKLE THE SEAT BELT TO PERFORM SUCH SIMPLE TASKS AS FLIPPING THE REAR VIEW MIRROR WHEN CONFRONTED WITH A VEHICLE APPROACHING FROM THE REAR WITH THEIR HIGH BEAM HEADLAMPS ON, CHANGING THE RADIO DIAL, OR TRYING TO ADJUST THE OUTSIDE MIRROR ON THE VAN. I HAVE MEASURED THE DISTANCE OF THE BELT ON THE PASSENGER SIDE FRONT AND FIND THEM VERY CLOSE IN LENGTH. THE PROBLEM APPEARS TO STEM FROM WHERE THE SHOULDER BELT IS ANCHORED ON THE SIDE WALL ABOVE THE DRIVERS LEFT SHOULDER. THIS LOCATION IS EASILY 5 INCHES FARTHER BACK ON THE BULKHEAD THAN WHAT THE PASSENGE
TIRES WERE WEARING OUT ON THE OUTSIDE DUE TO THE REAR AXLE. HAD TO HAVE TIRES CHANGED EVERY 13000 MILES. HEARD A VERY SHARP SOUND IN REAR AXLE. RIGHT SIDE AXLE BALL BEARING AND HOUSING FELL APART AND IT DUG INTO THE AXLE. CONTACTED DEALER. THEY ONLY CHECKED THE FRONT TIRES AND SAID NOTHING WAS WRONG. *AK
Loss of motive power due to engine failure
Loss of Motive Power due to the Battery Energy Control Module
Electric Vehicle Battery Fires
Outboard Front Seat Belt Anchor Cable Failure
Fuel Line Leak
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.