2001 Infiniti QX4 Engine cooling Problems
- Complaints
- 4about this part
- Share
- 5%of 73 total for the year
- Median mileage
- 90,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 2001 Infiniti QX4, 5% of the 73 complaints for this model year. Where a mileage was given, the median is 90,000 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Dt: the contact's vehicle was involved in an accident on 8-15-05 while going 40-45 MPH. The vehicle rolled over. At first , hit a mail box. Then, the back of contact's vehicle hit another car. She ended up in a ditch, rolled over, and hit a tree head-on. Upon impact neither the front or side air bags deployed. The dealer urged contact to call the manufacturer, and they said they would look into it. The contact sustained injuries. The police were called. The check engine light came on ever since she bought the vehicle. …”
NHTSA complaint #10134058, filed 2005-10, 90,000 miles“While driving the engine stalled and resulted in loss of power steering and power brakes. The engine light was always on, bad carbon fumes,the transmission gained speed on it's own, stalled while turning, and going up hill's, and black smoke had come from the vehicle. Scc”
NHTSA complaint #10012180, filed 2003-03“Problems with the transmission, engine belts, transmission fluid leakage, etc... Transmission fluid leaking, engine belts are cracking and there are problems with the battery.”
NHTSA complaint #10066618, filed 2004-03Engine cooling: other model years
Other parts of the 2001 Infiniti QX4
19 complaintsBody and structure
17 complaintsSuspension
12 complaintsFuel system
6 complaintsSteering
6 complaintsTransmission and drivetrain
6 complaintsWheels
4 complaintsBrakes
3 complaintsOther or unknown
3 complaintsAir bags
2 complaintsElectrical system
2 complaintsVehicle speed control
2 complaints
← All problems reported for the 2001 Infiniti QX4
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology