Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1978 G20.
The 1978 Chevrolet G20 is represented in the reliability record by just one owner complaint and three recalls, with the single reported problem area being Service Brakes, Hydraulic. That sparse complaint profile stands in contrast to the broader model history covering 1990 through 1999, when complaints ranged from a high of 87 in 1995 down to only 2 in 1998. As a result, the 1978 model year appears comparatively quiet in the available reliability data, though the very limited sample for this vintage means the record offers only a partial view of its long-term ownership experience.
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The federal record supplied covers model years 1990 through 1999, with complaint counts ranging from a low of 2 in 1998 to a high of 87 in 1995 and recall counts varying between 0 and 7 per year. No data are listed for the 1978 model year, so the complaint‑and‑recall trend for that specific year cannot be derived from the provided JSON. Consequently, it is impossible to place 1978 within any arc of improving or deteriorating reliability across the generation. Because the target year’s complaint and recall figures are absent, any statement about known issues or root causes would be speculative and violates the instruction to use only the given facts. Therefore, based solely on the available information, there is insufficient evidence to determine whether a 1978 Chevrolet G20 is a good year to buy; additional sources would be needed for a reliable assessment.
All 1 complaints on record, top 1 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 2 of 3 campaigns on record for this vehicle.
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS… Remedy: HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 2007. OWNERS CAN CONTACT FRAM CUSTOMER SERVICE TOLL-FREE AT 1-800-890-2075.
Remedy: INSTALL PROPER MOUNTING HARDWARE AND SEAT BELTS.
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Cross-vehicle references for the kinds of data on this page.
NHTSA lists 3 recall campaign(s) for this model year. Check your specific vehicle by VIN.