AI Damage1999 Chevrolet S/T Blazer: common problems
Owners of the 1999 Chevrolet S/T Blazer filed 5 complaints with NHTSA, most often about tires and exterior lighting. Details by component below, with sources.
Key figures
- Owner complaints
- 5
What fails most often
- 1 Tires 40% of all complaints
- 2 Exterior lighting 20% of all complaints
- 3 Fuel system 20% of all complaints
- 4 Service brakes 20% of all complaints
- Tires: 2 complaints (40% of all).
- Exterior lighting: 1 complaints (20% of all).
- Fuel system: 1 complaints (20% of all).
- Service brakes: 1 complaints (20% of all).
Symptoms owners describe
How many of the 5 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) |
|---|---|---|---|
| Tires | 2 | 0 | 0 |
| Exterior lighting | 1 | 0 | 0 |
| Fuel system | 1 | 0 | 0 |
| Service brakes | 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.
I purchase a set of cooper trendsetter se tires 235/75/15 .and I now have had them replaced twice .both times is was because for some reason the tires developed very bad vibration .
Tl* the contact owns a 1999 chevrolet s/t blazer equipped with goodyear wrangler 105s tires, size: p235/75r15. While the vehicle was being washed, the contact noticed a lot of cracks on the sidewalls of all four tires. The vehicle was not taken to a dealer. The manufacturer was not notified of the failure.
Brake failure due to corrosion of brake lines. Had to replace calipers due to piston freezing from corrosion, as well as replacing all brake lines after brake petal traveling all the way to the floor when applied. Line was leaking above drivers side rear wheel. Work completed at chevrolet dealership.
Fuel pump for 1999 chevy s-blazer 4 dr. Model. Pump has been replaced 4 times within 8 mos. First lasted 7 mos. Second lasted 4 days, third lasted 2 weeks, so far. Wiring harness has been replaced as recommended. Upon replacement of third pump a new relay was installed at the recommendation of auto parts store.
The multi-function turn signal switch is defective and causes an audible clicking noise from the dash. This also results in the exterior turn signal lamps to intermittently not function, depending on temperature. The issue is more prevalent in cooler, colder weather.
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 14,283 of 36,659 model years in the NHTSA data (top 39% most complained about).
On average one model year of the S/T Blazer has 3 complaints (12 years in the data). This year has 5, above average.
What to check before buying
- Tires. Tire age by DOT code, bulges, wear pattern.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- 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 1999 Chevrolet S/T Blazer?
Owner complaints to NHTSA most often mention: tires, exterior lighting, fuel system. Total complaints: 5. The most frequent symptoms in complaint texts: brake failure (20%), fuel system, fuel smell (20%), rust, corrosion (20%).
How many service bulletins (TSB) were issued for the 1999 Chevrolet S/T Blazer?
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 1999 Chevrolet S/T Blazer 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 1999 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 2026-11-06.