Total Complaints
53 filings
CHEVROLET G20 · model year
53 NHTSA complaints, 10 crash reports for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1994CHEVROLETG20 carries 53 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 10 crashes, 0 fires, 17 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 1994 G20 is service brakes, hydraulic:antilock/traction control/electronic limited slip with 11 filings, followed by air bags:frontal (4) and service brakes, hydraulic:foundation components:disc:rotor (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 1994 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
53 filings
Crashes Reported
10 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 |
| AIR BAGS:FRONTAL | 4 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR | 3 |
| VISIBILITY:WINDSHIELD WIPER/WASHER | 2 |
| VEHICLE SPEED CONTROL | 2 |
| SEAT BELTS:FRONT:RETRACTOR | 2 |
| STEERING:GEAR BOX (OTHER THAN RACK AND PINION) | 2 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS | 2 |
| ELECTRICAL SYSTEM:IGNITION:MODULE | 2 |
| SEAT BELTS:FRONT:ANCHORAGE | 2 |
| TIRES | 2 |
| SUSPENSION:REAR | 2 |
| ELECTRICAL SYSTEM:HORN | 1 |
| ELECTRICAL SYSTEM:IGNITION | 1 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER | 1 |
WHILE DRIVING APPROACHING STOPLIGHT BRAKES WOULD NOT ENGAGE. PRESSED BRAKE PEDAL TO FLOOR AND DRIVE VAN UP AND OVER CURB WHILE USING EMERGENCY BRAKE. CONTACTED DEALER WHERE VAN WAS TOWED. SAID BRAKES NEEDED TO BE BLED AGAIN. BRAKES BLED AND PEDAL STILL FELT THE SAME-SPONGY. TOLD THIS IS NORMAL. DRIVING HOME ON WINDDY ROAD,APPLIED BRAKES NOTHING HAPPEND RELEASED BRAKES AND TRIED AGAIN AND THE FRONT BRAKES LOCKED UP. DEALER SAID TO BRING BACK. THEY INSPECTED SYSTEM SAID BAD MASTER CYLINDER. REPLACED MASTER CYLINDER AND STILL SPONGY BRAKES. DEALER SAID THIS IS NORMAL. THEY STILL DO NOT GRIP AS STRONG DESPITE ALL BRAKE COMPONENTS REPLACED EXCEPT FOR THE VACCUME BOOSTER AND ABS MODULE. I ALSO NO LONGER HEAR THE ABS MODULE COME ON LIKE IT USED TO BEFORE ALL OF THIS, THE ABS LIGHT DOES COME ON AND GOES OUT AFTER STARTING VAN. THE OWNERS MANUAL STATES YOU SHOULD HEAR THE ABS PUMP COME ON WHEN STARTING VAN THEN COME ON AGAIN AT ABOUT 7MPH. IT DOES NOT. TOLD DEALER THIS AND THEY SAID THE MANUAL
Mileage: 60,000
DT*: THE CONTACT STATED WHILE DRIVING LESS THAN 10 MPH ON AN ICY ROAD, A VEHICLE STOPPED SHORT IN FRONT OF THE CONTACT'S VEHICLE. IN AN ATTEMPT TO BRAKE, THE ABS ON THE VEHICLE DID NOT ENGAGE. THE CONTACT'S VEHICLE COLLIDED WITH THE VEHICLE IN FRONT OF IT. THERE WAS A DRILL-LIKE SOUND WHEN THE BRAKES ARE DEPRESSED. THE VEHICLE DOES NOT NORMALLY ENGAGE ON WET OR ICY SURFACES. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC. THERE IS A NHTSA RECALL, 99I006000, REGARDING THE SERVICE BRAKES. THE VEHICLE HAS THE SAME PROBLEMS AS INDICATED IN THE RECALL; HOWEVER IT IS NOT INCLUDED IN THE RECALL DUE TO THE VIN.
NHTSA# 99-I-006-000: THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. VEHICLE DESCRIPTION: CERTAIN LIGHT DUTY PICKUP TRUCKS, SPORT UTILITY VEHICLES, OR MINIVANS EQUIPPED WITH 3-SENSOR ABS (ANTI-LOCK BRAKING SYSTEM) EBC4 UNITS. THE CONSUMER'S VEHICLE EXPERIENCED THE SAME FAILURE, HOWEVER THE VEHICLE IDENTIFICATION NUMBER WAS NOT INCLUDED. *JB
ANTI LOCK BRAKES FAIL WHEN A BUMP, POT HOLE OR SLICK SURFACE IS ENCOUNTERED
Mileage: 98,443
VEHICLE PULLS TO THE LEFT WHEN APPLYING BRAKES. I HAD THE FRONT BRAKES REPLACED AND ROTORS TURNED LAST MONTH AT 32,095 ACTUAL MILES. THE PROBLEM OF PULLING TO THE LEFT CONTINUES WHEN BRAKES ARE APPLIED. WHEN BRAKES ARE RELEASED, IT PULLS TO THE RIGHT--IT DOESN'T RELEASE. IN CASE OF AN EMERGENCY STOP, IT PULLS TO THE LEFT, THEN RIGHT, THEN LEFT, THEN RIGHT. I WAS TOLD I NEED TO REPLACE THE BRAKE PRESSURE MODULATOR VALVE TO CORRECT THIS PROBLEM. THIS WILL COST APPROXIMATELY $1100.00. I FEEL THIS SHOULD NOT HAPPEN AT THIS LOW MILEAGE.*AK
VEHICLE PULLS TO THE LEFT WHEN APPLYING BRAKES. I HAD THE FRONT BRAKES REPLACED AND ROTORS TURNED LAST MONTH AT 32,095 ACTUAL MILES. THE PROBLEM OF PULLING TO THE LEFT CONTINUES WHEN BRAKES ARE APPLIED. WHEN BRAKES ARE RELEASED, IT PULLS TO THE RIGHT--IT DOESN'T RELEASE. IN CASE OF AN EMERGENCY STOP, IT PULLS TO THE LEFT, THEN RIGHT, THEN LEFT, THEN RIGHT. I WAS TOLD I NEED TO REPLACE THE BRAKE PRESSURE MODULATOR VALVE TO CORRECT THIS PROBLEM. THIS WILL COST APPROXIMATELY $1100.00. I FEEL THIS SHOULD NOT HAPPEN AT THIS LOW MILEAGE.*AK
ON 7-5-01 AT APPROXIMATELY 7:15 PM WHILE PARKED IN A GROCERY STORE PARKING LOT I HEARD A LOAD EXPLOSION. SUDDENLY THE LEFT FRONT CORNER OF THE VEHICLE SETTLED DOWN. I KNEW AT THIS TIME THAT THE LEFT FRONT TIRE SUFFERED A RAPID AIR LOSS. SEARS ROEBUCK SELLER OF THE TIRE BLAMES A ROAD HAZARD. NO INDICATION OF SUCH, HAD NOT HIT ANY POTHOLES OR OBSTACLES IN THE ROADWAY. VEHICLE USED ON HARD SURFACED ROADWAYS ONLY. (DOT NUMBER: HYHF REL TIRESIZE: P21575S15)
VEHICLE ACCELERATED TO MAXIMUM WITHOUT TOUCHING THROTTLE, MORE THAN ONCE. *AK
GEARS ON REAR END ARE ALL CHEWED UP. CONSUMER NOTICED THIS WHEN VEHICLE WAS MAKING A LOUD NOISE. CONSUMER HAS NOT CONTACTED DEALER YET. *AK
AXLE SEAL OF REAR BRAKES MALFUNCTIONED, CAUSING REAR BRAKES TO FAIL. ALL OF BRAKING WAS BEING DONE BY FRONT BRAKES. ALSO, EMERGENCY BRAKE WAS NOT OPERATIONAL. GMC DENIED ANY DEFECT.*AK
AXLE SEAL OF REAR BRAKES MALFUNCTIONED, CAUSING REAR BRAKES TO FAIL. ALL OF BRAKING WAS BEING DONE BY FRONT BRAKES. ALSO, EMERGENCY BRAKE WAS NOT OPERATIONAL. GMC DENIED ANY DEFECT.*AK
AXLE SEAL OF REAR BRAKES MALFUNCTIONED, CAUSING REAR BRAKES TO FAIL. ALL OF BRAKING WAS BEING DONE BY FRONT BRAKES. ALSO, EMERGENCY BRAKE WAS NOT OPERATIONAL. GMC DENIED ANY DEFECT.*AK
REAR AXLE SEALS LEAKING.
THERE WAS A FRONT END COLLISION AT 15 TO 20 MPH, AND DRIVER'S SIDE AIR BAG DID NOT DEPLOY. DEALER HAS BEEN CONTACTED.
ONCE THE ANTI-LOCK BRAKES HAVE BEEN ACTIVATED IN AN EMERGENCY STOP IT TAKE A FEW STOPS BEFORE THEY GO BACK TO NORMAL BUT IT STILL TAKES A GOOD DISTANCE TO BRING THE VAN TO A STOP. NLM
BOTH TIMES FAILED WITH WINDS AND HEAVY RAIN. LIFTED WIPER OFF GLASS AND HEATED MOTOR UNTIL OVERLOAD PROTECTION CAME ON. FIRST TIME HAD TO COOL DOWN FOR 12 HRS. AND BEGAN WORKING AGAIN. SECOND TIME STOPPED WORKING ALL TOGETHER. INSTALLED WIND REFLECTORS AND WIPER BOOTS TO HOLD WIPER ON WINDOW BUT STILL LIFTED. VERY DANGEROUS SITUATION WITH NO WIPERS IN RAIN STORMS.
WHILE TRAVELING VEHICLE WOULD STALL WITHOUT ANY INDICATION. PLEASE PROVIDE FURTHER INFORMATON. *AK
WHILE DRIVING AT 65 MPH LUG: NUTS CAME OFF OF THE REAR DRIVER SIDE, CAUSING THE TIRE TO COME OFF. CONSUMER ALMOST LOSE CONTROL OF VEHICLE. MANUFACTURER IS AWARE OF PROBLEM. *AK
PCM MODULE FAILED.
ROTORS FAILED.
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.