1978 Cadillac Seville 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 1978 Cadillac Seville, 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 system133.3%
- Interior & seats133.3%
- Exterior lighting133.3%
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 OWNS A 1978 CADILLAC SEVILLE. THE CONTACT SMELLS GASOLINE COMING FROM THE VEHICLE, AND OCCASIONAL NOTICES GASOLINE ON THE GARAGE FLOOR. SHE CALLED THE DEALER, BUT HAS NOT RECEIVED A RESPONSE. NHTSA CAMPAIGN ID NUMBER 79V197000 (FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL) WAS REFERENCED; HOWEVER, THE CONTACT WAS INFORMED THAT WERE WAS NO SAFETY RECALL. IN 2006, WHEN THE VEHICLE WAS PURCHASED, THE CONTACT WAS INFORMED THAT THERE WAS A GAS LEAK IN THE VEHICLE. THE VIN WAS UNKNOWN. THE CURRENT MILEAGE WAS 51,785 AND FAILURE MILEAGE WAS 50,488.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
PLUGS TO DIMMER SWITCH ON FLOOR ARE CORRODED AND MELTING.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
PLUGS TO DIMMER SWITCH ON FLOOR ARE CORRODED AND MELTING.
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 .