1991 Chevrolet Blazer problems & reliability
222 owner complaints filed with NHTSA for the 1991 Chevrolet Blazer. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
9 complaints report injuries (13 injured).
Federal crash records (FARS 2020–2023): 1991 Chevrolet Blazer vehicles were involved in 4 fatal crashes with 3 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Service Brakes, Hydraulic → | 125 | 56% |
| Seat Belts → | 26 | 12% |
| Electrical System → | 16 | 7% |
| Engine and Engine Cooling → | 12 | 5% |
| Vehicle Speed Control → | 11 | 5% |
| Power Train | 8 | 4% |
| Fuel System, Gasoline | 7 | 3% |
| Seats | 7 | 3% |
| Steering | 5 | 2% |
| Suspension | 5 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Complaints by incident year
What owners report
“New set of tires (4) installed aprox. 1 month ago. The left rear blew out the sidewall. Blowout occurred at freeway speed aprox 70 mph. Drove aprox. 1/4 mile to get off roadway. Outside tire sidewall separated at tread 100% around the radius (tires installed w/raised lettering to inside). Tire: (cooper) mastercraft…”
Tires · filed Mar 26, 2006
“A fire started while the consumer was driving at 26 mph. The defrosting coil in the rear window started the fire, per the fire department. The entire vehicle's rear was destroyed. No injuries reported. *ak”
Electrical System · filed Dec 7, 2004
“I'm the original owner of a 1991 chev. S-10 blazer whom has lived at the same address since before the purchase of the vehicle. I have never received any recall information on this vehicle since the purchase of it. The paint has been washing off of the vehicle, it leaves the primer. The paint is separating from the…”
Structure · filed Jul 14, 2004
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- REAR SEAT BELT FAILURE
Engineering Analysis EA95031 · opened Oct 31, 1995 · closed Jul 31, 1996
- ABS BRAKING SYSTEM
Engineering Analysis EA94038 · opened Oct 31, 1994 · closed Feb 28, 2000 · led to recall 99V193000
- ENGINE COMPARTMENT FIRES
Engineering Analysis EA94029 · opened Jul 29, 1994 · closed Jul 31, 1996
- ABS BRAKING SYSTEM FAILS
Preliminary Evaluation PE94046 · opened Jun 17, 1994 · closed Oct 31, 1994
- HIGH IDLE FLARE
Engineering Analysis EA92015 · opened May 22, 1992 · closed May 28, 1993
- HIGH IDLE FLARE
Preliminary Evaluation PE92001 · opened Jan 7, 1992 · closed May 22, 1992
- BRAKE FAILURE
Engineering Analysis EA91028 · opened Jun 10, 1991 · closed Jun 30, 1992
- BRAKE FAILURE
Preliminary Evaluation PE91052 · opened Feb 22, 1991 · closed Jun 10, 1991
Technical service bulletins
7 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1991 Chevrolet Blazer.
Diagnosis of cracked or broken transmission case. *tt 2006 and prior cars and light duty trucks. *tt
020730024A · Service Bulletin/Repair Instructions · issued Aug 1, 2005
Pop snap noise in the front suspension when braking. *mr
02015 · Service Bulletin/Repair Instructions · issued Jan 1, 2004
Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan. *tt
990730016A · Service Bulletin/Repair Instructions · issued Oct 1, 2002
Water leak at the a/c recirculation door (install new hood hinge seal). *tw
GM561204 · Service Bulletin/Repair Instructions · issued Apr 1, 1995
End gate latch rattle (install revised striker). *tw
GM161514 · Service Bulletin/Repair Instructions · issued Apr 1, 1995
Oil pressure gauge reading concerns. *tw
476149 · Service Bulletin/Repair Instructions · issued Dec 1, 1994
Front door side glass binding/track disengagement. *tw
9310A343 · Service Bulletin/Repair Instructions · issued Feb 1, 1993
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 1991 Chevrolet Blazer in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1991 Chevrolet Blazer?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.