1994 Chevrolet Blazer problems & reliability
620 owner complaints filed with NHTSA for the 1994 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.
36 complaints report injuries (57 injured, 6 deaths reported).
Federal crash records (FARS 2020–2023): 1994 Chevrolet Blazer vehicles were involved in 15 fatal crashes with 14 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 | 429 | 69% |
| Visibility | 50 | 8% |
| Fuel System, Gasoline | 45 | 7% |
| Engine and Engine Cooling | 42 | 7% |
| Vehicle Speed Control | 24 | 4% |
| Seats | 18 | 3% |
| Seat Belts | 16 | 3% |
| Power Train | 12 | 2% |
| Electrical System | 10 | 2% |
| Suspension | 10 | 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.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 118,000 miles (middle 50% between 87,280 and 156,000 miles), based on 25 complaints that included mileage.
Complaints by incident year
What owners report
“I was driving down the road, came to a stop sign, then started to accelerate. All the sudden my seat back broke and fold backward, in a laid down position, almost causing me to crash. A few months later, the passenger side seat back did the exact same thing. I removed the broken seats, and installed two non adjustable…”
Seats · filed Jan 21, 2015
“I was driving home early this morning, after doing a little hill climbing the night before with a friend. On the way home I was driving under the speed limit, when the vehicle about 3 seconds in front of me stopped, I immediately hit the brakes, the brakes did not work properly, causing me to hit the rear end of the…”
Service Brakes · filed Jan 21, 2015
“Driver's side front seat/shoulder belt will not retract. It is fully extended and will not retract to tighten on the shoulder. It stays completely loose. This is for a 1994 full size chevy blazer. *tr”
Seat Belts · filed Sep 10, 2012
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- FRONT SEAT RECLINER BOLT
Engineering Analysis EA01019 · opened Dec 28, 2001 · closed Sep 27, 2002
- FRONT SEAT RECLINER BOLT FAILURE
Recall Query RQ99015 · opened Jul 14, 1999 · closed Dec 28, 2001 · led to recall 99V130000
- ALLEGED FAILURE OF REAR LEAF SPRINGS
Preliminary Evaluation PE96045 · opened Jul 12, 1996 · closed Dec 16, 1996
- BRAKE PEDAL SEPARATION FROM PIVOT ARM
Preliminary Evaluation PE95010 · opened Feb 15, 1995 · closed May 26, 1995
- ABS BRAKING SYSTEM
Engineering Analysis EA94038 · opened Oct 31, 1994 · closed Feb 28, 2000 · led to recall 99V193000
- ABS BRAKING SYSTEM FAILS
Preliminary Evaluation PE94046 · opened Jun 17, 1994 · closed Oct 31, 1994
Technical service bulletins
24 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1994 Chevrolet Blazer. The 10 most recent:
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696E · Service Bulletin/Repair Instructions · issued Nov 22, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696D · Service Bulletin/Repair Instructions · issued Sep 5, 2019
This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to…
PIC4696C · Service Bulletin/Repair Instructions · issued May 31, 2018
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
130089009 · Service Bulletin/Repair Instructions · issued Sep 1, 2013
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
Subject regarding abs 3-sensor ebc4 - special policy. *tt
240699 · Service Bulletin/Repair Instructions · issued Jul 24, 1999
Special policy adjustment - linear exhaust gas recirculation system. *tw
96067A · Service Bulletin/Repair Instructions · issued Jun 1, 1997
Intermittent hestiations, low power, and rough running engine in cold temperatures (replace pcm). *tw
676537 · Service Bulletin/Repair Instructions · issued Jun 1, 1997
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 1994 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 1994 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.
- · Owners most often reported problems around 118,000 miles — budget accordingly if the car is approaching that mileage.