CHEVROLET Z24 · model year

1993 CHEVROLET Z24

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.

5
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths

Total Complaints

5 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ENGINE AND ENGINE COOLING:ENGINE1
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP1
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP1
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR1

Recent Complaints

19990930SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

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

19990930FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

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

19990930SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

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

19990908

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.

19990503ENGINE AND ENGINE COOLING:ENGINE

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

Compare 1993CHEVROLETZ24 to Similar Vehicles

NHTSA Investigations 2 Open

View all investigations

Frequently Asked Questions

How many complaints does the 1993 CHEVROLET Z24 have?
The 1993 CHEVROLET Z24 has 5 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1993 CHEVROLET Z24?
The most-complained component for the 1993 CHEVROLET Z24 is ENGINE AND ENGINE COOLING:ENGINE with 1 complaints. Other frequently reported areas include SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP and FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP.
Is the 1993 CHEVROLET Z24 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

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.