1990 Oldsmobile Supreme: common problems
Owners of the 1990 Oldsmobile Supreme filed 6 complaints with NHTSA, most often about service brakes and electrical system. Details by component below, with sources.
Key figures
- Owner complaints
- 6
What fails most often
- 1 Service brakes 50% of all complaints
- 2 Electrical system 17% of all complaints
- 3 Engine and cooling 17% of all complaints
- 4 Steering 17% of all complaints
- 5 Structure 17% of all complaints
- Service brakes: 3 complaints (50% of all).
- Electrical system: 1 complaints (17% of all).
- Engine and cooling: 1 complaints (17% of all).
- Steering: 1 complaints (17% of all).
- Structure: 1 complaints (17% of all).
Symptoms owners describe
How many of the 6 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) |
|---|---|---|---|
| Service brakes | 3 | 0 | 0 |
| Electrical system | 1 | 0 | 0 |
| Engine and cooling | 1 | 0 | 0 |
| Steering | 1 | 0 | 0 |
| Structure | 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.
Cradle bolts failed prior to recall notice, causing vibration.
The abs anti-lock brake performance of the brake is low and the abs and emergency brake light comes on . Tt
Rear rotors/calipers sleeve/pin failed, causing vehicle to sway when braking.
Car was parked and ignition turned off, there was an engine fire, vehicle was totalled. Tt tt
Rear brake rotors/calipers/pads replaced due to parking brake not being used to adjust rear brakes.
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 13,278 of 36,656 model years in the NHTSA data (top 36% most complained about).
On average one model year of the Supreme has 3 complaints (7 years in the data). This year has 6, above average.
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
Other years of this model
Questions and answers
What are the most common problems with the 1990 Oldsmobile Supreme?
Owner complaints to NHTSA most often mention: service brakes, electrical system, engine and cooling. Total complaints: 6. The most frequent symptoms in complaint texts: rollaway, parking brake (17%), smoke, burning smell, fire (17%), vibration (17%).
How many service bulletins (TSB) were issued for the 1990 Oldsmobile Supreme?
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 1990 Oldsmobile Supreme 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 1990 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.