1979 Chevrolet G20 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 1979 Chevrolet G20, 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
- Fuel system1100.0%
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
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
TL*THE CONTACT OWNED A 1979 CHEVROLET G-20. WHILE HIS VEHICLE WAS PARKED IN HIS DRIVEWAY WITH THE IGNITION ON, HE NOTICED BLACK SMOKE COMING FROM UNDER THE HOOD. HE ATTEMPTED TO OPEN THE HOOD BUT IT WAS EXTREMELY HOT AND FLAMES BEGAN COMING FROM UNDER THE HOOD. THE FIRE DEPARTMENT WAS CALLED AND A REPORT WAS FILED. UPON FURTHER INVESTIGATION, THE FIRE MARSHALL ADVISED THAT THE ORIGIN OF THE FIRE WAS DUE TO ETHANOL FUEL DISSOLVING THE FUEL FILTER, WHICH CAUSED FUEL TO LEAK ONTO THE ENGINE. THE VEHICLE WAS DESTROYED. THE FAILURE AND CURRENT MILEAGES WERE APPROXIMATELY 500,000. UPDATED 4/19/10 THE CONSUMER STATED THE VEHICLE WAS IN IDLE. AS HE PROCEEDED TO BACK OUT OF HIS DRIVEWAY, HE HEARD THE ENGINE STOP AFTER A BACKFIRE THROUGH THE CARBURETOR. HE IMMEDIATELY OBSERVED BLACK SMOKE FROM UNDER THE HOOD. THE FIRE WAS INITIATED WHEN THE PLASTIC INLINE FUEL FILTER FAILED, DUE TO ETHANOL DISSOLVING THE FUEL IN THE FLOAT BOWLS. THE FIRE SPREAD TO THE PASSENGER COMPARTMENT PRIOR TO THE FIRE DEPARTMENTS ARRIVAL. THE SAFETY ISSUE WAS NOT WITH THE VEHICLE, BUT WITH THE MANDATORY ETHANOL FUEL WHICH HAS CAUSED NUMEROUS FIRES . ACCORDING TO THE FIRE REPORT, THE FIRE WAS CAUSED BY A FUEL LEAK WHICH IN TURN LEAKED ONTO THE MANIFOLD. UPDATED 07/07/10*JB
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 .