Worst 1989 Cadillac Deville Problems
Top 3 most-reported issues with average mileage at failure.
Unintended Acceleration
Electrical System:Alternator/Generator/Regulator
Automatic Transmission
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All Problems by Category
Every NHTSA complaint category for the 1989 Cadillac Deville.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Unintended Acceleration | 19 | 5 | — | 108,000 mi | |
| Electrical System:Alternator/Generator/Regulator | 3 | — | — | — | |
| Automatic Transmission | 3 | — | — | — | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 3 | — | — | — | |
| Engine And Engine Cooling:Engine:Gasoline:Belts And Associated Pulleys | 2 | — | — | — | |
| Seat Belts:Front:Buckle Assembly | 2 | — | — | — | |
| Service Brakes, Hydraulic:Foundation Components | 2 | — | — | — | |
| Steering: Steering Wheel/Handle Bar | 2 | — | — | — | |
| Structure:Body:Hood:Hinge And Attachments | 2 | — | — | — | |
| Vehicle Speed Control:Cruise Control | 2 | — | — | — | |
| Electrical Faults | 1 | 1 | — | — | |
| Electrical System:Ignition:Switch | 1 | — | 1 | — | |
| Engine And Engine Cooling:Cooling System:Fan | 1 | — | — | — | |
| Engine And Engine Cooling:Cooling System:Hoses/Lines/Piping/Fittings | 1 | — | — | — | |
| Engine And Engine Cooling:Cooling System:Radiator Assembly | 1 | — | — | — | |
| Engine And Engine Cooling:Engine | 1 | — | — | — | |
| Engine And Engine Cooling:Engine:Gasoline | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe | 1 | — | — | — | |
| Other Equipment | 1 | — | — | — | |
| Gasoline Fuel System | 1 | — | — | — | |
| Fuel System, Gasoline:Delivery:Hoses, Lines/Piping, And Fittings | 1 | — | — | — | |
| Fuel System, Gasoline:Storage:Tank Assembly | 1 | — | — | — | |
| Power Train:Axle Assembly | 1 | — | — | — | |
| Seats:Front Assembly:Power Adjust | 1 | — | — | — | |
| Hydraulic Brakes | 1 | — | — | — | |
| Service Brakes, Hydraulic:Foundation Components:Disc | 1 | — | — | — | |
| Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And Fittings | 1 | — | — | — | |
| Structure:Frame And Members | 1 | — | — | — | |
| Tire Defects | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 1989 Cadillac Deville. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Cadillac Deville Years
1989 Cadillac Deville — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 1989 Cadillac Deville reliable?
What are common problems with the 1989 Cadillac Deville?
At what mileage do problems start on the 1989 Cadillac Deville?
How safe is the 1989 Cadillac Deville?
Does the 1989 Cadillac Deville have any recalls?
Should I buy a 1989 Cadillac Deville?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Cadillac Deville reliability report with year-by-year comparison and generation analysis.
Check Your Specific 1989 Cadillac Deville
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