AI Damage1986 Cadillac Fleetwood: common problems
Owners of the 1986 Cadillac Fleetwood filed 7 complaints with NHTSA, most often about electrical system and fuel system. Details by component below, with sources.
Key figures
- Owner complaints
- 7
- involving a crash
- 1
What fails most often
- 1 Electrical system 43% of all complaints
- 2 Fuel system 29% of all complaints
- 3 Engine and cooling 14% of all complaints
- 4 Seat belts 14% of all complaints
- 5 Vehicle speed control 14% of all complaints
- 6 Visibility 14% of all complaints
- 7 Wheels 14% of all complaints
- Electrical system: 3 complaints (43% of all), 1 of them with a crash reported by the owner.
- Fuel system: 2 complaints (29% of all), 1 of them with a crash reported by the owner.
- Engine and cooling: 1 complaints (14% of all).
- Seat belts: 1 complaints (14% of all), 1 of them with a crash reported by the owner.
- Vehicle speed control: 1 complaints (14% of all), 1 of them with a crash reported by the owner.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 4.1 L · petrol · 8 cyl
- automatic, 4-speed
Drive: FWD
Symptoms owners describe
How many of the 7 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 3 | 1 | 0 |
| Fuel system | 2 | 1 | 0 |
| Engine and cooling | 1 | 0 | 0 |
| Seat belts | 1 | 1 | 0 |
| Vehicle speed control | 1 | 1 | 0 |
| Visibility | 1 | 0 | 0 |
| Wheels | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
My vehicle accelerates by itself while driving, when I change it from drive to reverse and when I press on my brakes at a stop light feels like is still accelerating and wants to go faster. I had two accidents because of this reason.
Vehicle brought to dealership to repair water leak at windshield, after the windsheild was removed, advanced rust was found in the pinchweld area, particularly on passenger's side, owner advised not to drive vehicle. Cj
When the car is over 60mhr it turnes off, also most of the time it turnes off when it is veary hot out side and when I want to tern it on again it go like about 30sec on then it turnes off again. Sometimes when I let it off for like about an hour it turns on again and sometimes it will turn off agian.
Steering column has caught fire twice, blower has been disconnected. Possible cause defective computer.
Left rear wheel came off, vehicle attempted to stop but slid off road into ditch. (ohio state police report)
The vehicle caught on fire from underhood near the fire wall on the passenger side. Please describe.
Coolant light came on, noticed leakage. Dealerships diagnosis intake manifold gasket. Tt
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 12,538 of 36,656 model years in the NHTSA data (top 34% most complained about).
On average one model year of the Fleetwood has 10 complaints (18 years in the data). This year has 7, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Seat belts. Belt pretensioners after airbag deployment, SRS codes.
Other years of this model
Questions and answers
What are the most common problems with the 1986 Cadillac Fleetwood?
Owner complaints to NHTSA most often mention: electrical system, fuel system, engine and cooling. Total complaints: 7. The most frequent symptoms in complaint texts: smoke, burning smell, fire (29%), rust, corrosion (14%), seat belts (14%).
How many service bulletins (TSB) were issued for the 1986 Cadillac Fleetwood?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1986 Cadillac Fleetwood from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1986 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.