1984 Chevrolet C20 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 1984 Chevrolet C20, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Brakes116.7%
- Electrical116.7%
- Fuel system116.7%
- Powertrain (other)116.7%
- Tires & wheels116.7%
- Transmission116.7%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
FRONT SEAL LEAK CAUSED CAR TO NOT GO FORWARD OR BACKWARD. TOOK TO MECHANIC, AND THEY REBUILT THE TRANSMISSION. HAD TO HAVE IT REPLACED 3 TIMES. CONSUMER FELT IT WAS THE FLUID DEXTRON 3 THAT WAS CAUSING THE PROBLEM. DUE TO OVERHEATED TRANSMISSION, BRAKES NO LONGER FUNCTION CORRECTLY. BRAKELINE FOR REAR BRAKES IS INCHES FROM TRANSMISSION DUE TO DEXTRON 3. *AK *ML
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
STEERING WHEEL STARTING KEY TURNING ON MOTOR CAUSED FIRE IN WIRING AND SHORTED OUT THE FUSIBLE WIRE LINK--CHEVY DEALERS HAVE NO INFORMATION ON THE PARTS INVOLVED OR EVEN PARTS NUMBERS FOR THAT EQUIPMENT--THEY SAY THAT DOESN'T EXIST -I HAVE TWO TRUCKS WITH SAME EQUIPMENT--WAS THERE EVER A RECALL FOR THOSE VEHICLES? STARTER SWITCH-- THE VEHICLE WAS STATIONARY AND DIDN'T MOVE AT THAT MOMENT AT MY PLACE
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
DESIGN FLAW OF THE DUAL TANKS AND PROTECTIVE SHIELDS, RESULTING IN SEVERAL INCIDENTS OF CORROSION AND LEAKAGE, DEFECT (REBATE)IN THE OUTSIDE GASOLINE TANKS, HOWEVER CONSUMER HAS NOT RECEIVED NOTICE. *MJS
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
FRONT SEAL LEAK CAUSED CAR TO NOT GO FORWARD OR BACKWARD. TOOK TO MECHANIC, AND THEY REBUILT THE TRANSMISSION. HAD TO HAVE IT REPLACED 3 TIMES. CONSUMER FELT IT WAS THE FLUID DEXTRON 3 THAT WAS CAUSING THE PROBLEM. DUE TO OVERHEATED TRANSMISSION, BRAKES NO LONGER FUNCTION CORRECTLY. BRAKELINE FOR REAR BRAKES IS INCHES FROM TRANSMISSION DUE TO DEXTRON 3. *AK *ML
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
THE FIRESTONE STEEL TEX RADIAL R4S LT 235/85R16 TIRE EXPERIENCED TREAD SEPARATION CAUSING DAMAGE TO THE FUEL TANK FILLER NECK WHICH WAS TORN OFF, CONSUMER WAS ABLE TO REGAIN CONTROL OVER THE VEHICLE AFTER BEING VERY UNSTABLE. *MJS
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
FRONT SEAL LEAK CAUSED CAR TO NOT GO FORWARD OR BACKWARD. TOOK TO MECHANIC, AND THEY REBUILT THE TRANSMISSION. HAD TO HAVE IT REPLACED 3 TIMES. CONSUMER FELT IT WAS THE FLUID DEXTRON 3 THAT WAS CAUSING THE PROBLEM. DUE TO OVERHEATED TRANSMISSION, BRAKES NO LONGER FUNCTION CORRECTLY. BRAKELINE FOR REAR BRAKES IS INCHES FROM TRANSMISSION DUE TO DEXTRON 3. *AK *ML
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .