Total Complaints
5 filings
CHEVROLET Z24 · model year
5 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1993CHEVROLETZ24 carries 5 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1993 Z24 is engine and engine cooling:engine with 1 filings, followed by service brakes, hydraulic:antilock/traction control/electronic limited slip (1) and fuel system, gasoline:delivery:fuel pump (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 57 investigation files overlapping the 1993 Z24, and 2 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
5 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ENGINE AND ENGINE COOLING:ENGINE | 1 |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 1 |
| FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | 1 |
| SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR | 1 |
WHILE DRIVING AT ANY SPEED AND APPLYING THEY GO STRAIGHT TO THE FLOORBOARD. ALSO, FRONT BRAKE ROTORS AND THE FUEL PUMP HAS BEEN REPLACED. BUT, DEALER CAN'T DETERMINE THE EXACT CAUSE OF THE PROBLEM. *AK
WHILE DRIVING AT ANY SPEED AND APPLYING THEY GO STRAIGHT TO THE FLOORBOARD. ALSO, FRONT BRAKE ROTORS AND THE FUEL PUMP HAS BEEN REPLACED. BUT, DEALER CAN'T DETERMINE THE EXACT CAUSE OF THE PROBLEM. *AK
WHILE DRIVING AT ANY SPEED AND APPLYING THEY GO STRAIGHT TO THE FLOORBOARD. ALSO, FRONT BRAKE ROTORS AND THE FUEL PUMP HAS BEEN REPLACED. BUT, DEALER CAN'T DETERMINE THE EXACT CAUSE OF THE PROBLEM. *AK
AFTER TAKING THE CAR IN FOR REPAIRS, A WRENCH AND A SCREWDRIVER WERE LEFT UNDER THE HOOD. OWNER CONCERNED ABOUT THE POTENTIAL DAMAGE THAT THE CARELESSNESS COULD HAVE CAUSED.
WHILE DRIVING AT ANY SPEED THERE IS AN OIL LEAKAGE, AND OIL SPILLS ON MANIFOLD INTAKE AND THE EXHAUST SYSTEM. OIL LEAKAGE IS DUE TO A DEFECTIVE ENGINE HEAD GASKET. *AK
Loss of motive power due to engine failure
Loss of Motive Power due to the Battery Energy Control Module
Electric Vehicle Battery Fires
Outboard Front Seat Belt Anchor Cable Failure
Fuel Line Leak
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.