1998 Chevrolet S/T Blazer: common problems
Owners of the 1998 Chevrolet S/T Blazer filed 4 complaints with NHTSA, most often about electrical system and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 4
What fails most often
- 1 Electrical system 25% of all complaints
- 2 Engine and cooling 25% of all complaints
- 3 Exterior lighting 25% of all complaints
- 4 Seats 25% of all complaints
- 5 Structure 25% of all complaints
- 6 Visibility 25% of all complaints
- Electrical system: 1 complaints (25% of all).
- Engine and cooling: 1 complaints (25% of all).
- Exterior lighting: 1 complaints (25% of all).
- Seats: 1 complaints (25% of all).
- Structure: 1 complaints (25% of all).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 1 | 0 | 0 |
| Engine and cooling | 1 | 0 | 0 |
| Exterior lighting | 1 | 0 | 0 |
| Seats | 1 | 0 | 0 |
| Structure | 1 | 0 | 0 |
| Visibility | 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.
Turn signal/hazard makes clicking noise when not on. Computer climate control won't shut/open vents and only blows hot
My drivers door has had the pins and bushing repaired 5 times. I own 2 chevy blazers , and have this problem with both. I was driving to work one morning , turned a curve and my door flew open. Was un able to close door, drove to work holding my door shut.
Windshield wipes work intermittently, run and cut off with no warning or don't work at all.
Failure # 2, consistent water pump, oil leaks on the vortec v6 engine. Failure # 3, 3rd brake light leds burn out within a year or two. Vehicle has less than 80,000 miles and has been well maintained.
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 15,524 of 36,659 model years in the NHTSA data (top 42% most complained about).
On average one model year of the S/T Blazer has 3 complaints (12 years in the data). This year has 4, above average.
What to check before buying
- 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.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
- Seats. Occupant sensor, power adjustment, seat mounts.
Other years of this model
Questions and answers
What are the most common problems with the 1998 Chevrolet S/T Blazer?
Owner complaints to NHTSA most often mention: electrical system, engine and cooling, exterior lighting. Total complaints: 4. The most frequent symptoms in complaint texts: oil leak or consumption (25%).
How many service bulletins (TSB) were issued for the 1998 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 1998 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 1998 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.