AI Damage2000 Cadillac STS: common problems
Owners of the 2000 Cadillac STS filed 12 complaints with NHTSA, most often about electrical system and suspension. Details by component below, with sources.
Key figures
- Owner complaints
- 12
- involving a crash
- 1
What fails most often
- 1 Electrical system 25% of all complaints
- 2 Suspension 25% of all complaints
- 3 Engine and cooling 17% of all complaints
- 4 Service brakes 17% of all complaints
- 5 Engine 8% of all complaints
- 6 Exterior lighting 8% of all complaints
- 7 Seat belts 8% of all complaints
- 8 Tires 8% of all complaints
- Electrical system: 3 complaints (25% of all).
- Suspension: 3 complaints (25% of all).
- Engine and cooling: 2 complaints (17% of all).
- Service brakes: 2 complaints (17% of all).
- Engine: 1 complaints (8% of all).
Symptoms owners describe
How many of the 12 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 | 0 | 0 |
| Suspension | 3 | 0 | 0 |
| Engine and cooling | 2 | 0 | 0 |
| Service brakes | 2 | 0 | 0 |
| Engine | 1 | 0 | 0 |
| Exterior lighting | 1 | 0 | 0 |
| Seat belts | 1 | 1 | 0 |
| Tires | 1 | 0 | 0 |
| Vehicle speed control | 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.
Ltr to secy mineta re defective seat belt assembly in a 2000 cadillac vin [xxx], seat belt unlatched during a crash on december 15, 2001 requesting a defect investigation, s10-040521-004. The consumer stated that the seat belt unlatched when the seat belt buckle cover broke apart. Received serious spinal injuries.
Engine leaks oil from the gaskets due to disimular metals expanding when engine is hot and contracts when cooling down causing the gaskets to leak
2000 cadillac sts. Oil pan gasket leaks under pressure. Repair garage quoted $900-1000 to repair. Shop owner said it is a common problem with that model/engine.
The contact stated he was having an oil leak coming from the oil pan gasket. The vehicle was taken to the dealer who informed him to replace the oil gasket at a cost of $2100 because there were no recalls or warranty. Also both turn signal switch has failed.
2000 sts car stalls while driving or sitting at a stop. I have tried to contact gm with no results,can't even get anyone to return my calls. Also have a bad vibration in the front of my car while driving at 65mph or over. I have replaced all tires,rotors,brakes, yet it still happens while driving at or above 65mph.
Heavy steering wheel vibrations between 60 mph and 75 mph. No resolution of problem after spending all this money. One set of new tires too. 2. Contact cadillac div. Of g.m. No resolution. 3. All data.com list manf. Tech. Service bulletin #00-03-10-007f as possible source of problem. 4.
The ac- delco battery which was installed by the manufacturer is losing acid through its positive post, causing the battery to leak acid. The acid fumes are toxic and extremely flammable. Owner contacted the manufacturer who was aware, but was not trying to recall these vehicles.
Extreme vibration at highway speeds 65-70mph. Replced 3 sets tires. Replaced brakes , rotors, wheel, had various alignments... Cadillac replaced control arms and virbration went away for 2 months... Vibration back now they are saying it is as good as it gets..
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 10,160 of 36,656 model years in the NHTSA data (top 28% most complained about).
On average one model year of the STS has 31 complaints (14 years in the data). This year has 12, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Other years of this model
Questions and answers
What are the most common problems with the 2000 Cadillac STS?
Owner complaints to NHTSA most often mention: electrical system, suspension, engine and cooling. Total complaints: 12. The most frequent symptoms in complaint texts: vibration (25%), oil leak or consumption (17%), stalls while driving (17%).
How many service bulletins (TSB) were issued for the 2000 Cadillac STS?
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 2000 Cadillac STS 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 2000 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.