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Engine coolingPart report

2020 Infiniti QX50 Engine cooling Problems

Complaints
4about this part
Share
12%of 33 total for the year
Median mileage
51,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine cooling of the 2020 Infiniti QX50, 12% of the 33 complaints for this model year. Where a mileage was given, the median is 51,000 miles. 1 recall campaign on record is filed under a similar system.

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.

“The contact owns a 2020 Infiniti QX50. The contact stated that the vehicle was repaired under NHTSA Campaign: 25V437000 (Engine and Engine Cooling) however, other failures occurred. The contact stated that after the vehicle was dropped off by the local dealer, the front passenger’s side tire deflated. The vehicle was taken to a local dealer, where it was repaired. The contact stated that the underbody shield of the engine guard had detached, allowing road debris to enter the hood. …”

NHTSA complaint #11715926, filed 2026-02, 51,000 miles

“The contact owns a 2020 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The local dealer was contacted to schedule an appointment, and it was confirmed that parts were not yet available. The vehicle was not diagnosed or repaired. The manufacturer was called, but the call was disconnected. The contact had not experienced a failure.”

NHTSA complaint #11715561, filed 2026-02

“The contact owns a 2020 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 ( Engine and Engine Cooling). The contact called the local dealer and was advised that parts were not yet available for the recall repair. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had been changing the oil every 3,000 miles as mitigation for the remedy not being available. The manufacturer was not made aware of the issue. The contact had not experienced a failure.”

NHTSA complaint #11710323, filed 2026-01

“The contact owns a 2020 Infiniti QX50. The contact stated that while driving at undisclosed speeds, the vehicle failed to accelerate as intended and lost motive power. There were no warning lights illuminated. No further information was available. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The vehicle was taken to an unknown local dealer, where it was determined that the timing belt needed to be replaced. The dealer informed the contact that the recall repair was not available. …”

NHTSA complaint #11701393, filed 2025-11

Related recalls

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202216%
2021717%
2020412%
20193222%

Other parts of the 2020 Infiniti QX50

Engine
18 complaintsForward collision avoidance
7 complaintsElectrical system
4 complaintsTransmission and drivetrain
4 complaintsOther or unknown
3 complaintsBrakes
2 complaintsBack-over prevention (rear camera)
1 complaintsFuel system
1 complaintsLane departure
1 complaintsVehicle speed control
1 complaints

← All problems reported for the 2020 Infiniti QX50

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