IllustrationWHILE DRIVING IN STOP AND GO TRAFFIC TRAVELING 3-5MPH, VEHICLE IN FRONT STOPPED SUDDENLY. CONSUMER WENT TO APPLY BRAKES, AND BRAKES FAILED AND PEDAL WENT TO THE FLOOR. DENTED THE BUMPER, AND CRACKED THE GRILL. DIDN'T CONTACT DEALER. *AK
1991 GMC Syclone
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Syclone years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 6 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Service Brakes, Hydraulic. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
2 crash reports0 fire reports0 injury reports
Service Brakes, Hydraulic complaints
5 reportsFRONT SHAFT FROM TRANSFER CASE TO DIFFERENTIAL FAILED, REPLACED UNDER FACTORY WARRANTY, ABS BRAKE MASTER UNIT FAILED AT 52,550 MILES OUTSIDE THE EXTENDED WARRANTY BY 6 MONTHS DEALER REFUSED TO REPAIR UNDER WARRANTY, WANTED $1200+ IN PARTS PLUS LABOR TO REPAIR, CANNOT AFFORD TO REPAIR AT THIS TIME.
FAILED TO STOP AND CRASHED INTO REAR OF VEHICLE IN FRONT OF ME
THE CONSUMER HAS BEEN EXPERIENCING PROBLEMS WITH ANTI-LOCK BRAKE SYSTEM. WHEN APPLYING THEIR BRAKES, DRIVER'S FOOT GOES ALL THE WAY TO THE FLOORBOARD. THE MANUFACTURER HAS YET TO BE CONTACTED. INVESTIGATION NUMBER EA94038. *AK
ANTI-LOCK BRAKE SYSTEM FAILED.
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1EA94038 · Abs Braking System
Opened Oct 31, 1994 · Closed Feb 28, 2000
Status: closed (inferred from source dates) · Service Brakes, Hydraulic
THIS INVESTIGATION RESULTED IN A SAFETY RECALL, 99V-193, AND A SERVICE CAMPAIGN, 99I-006.
Additional source detail variants (2)
Service Brakes, Hydraulic
THIS INVESTIGATION RESULTED IN A SAFETY RECALL, 99V-193, AND A SERVICE CAMPAIGN, 99I-006.
Service Brakes, Hydraulic
THIS INVESTIGATION RESULTED IN A SAFETY RECALL, 99V-193, AND A SERVICE CAMPAIGN, 99I-006.