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Engine coolingPart report

2019 Ford Flex Engine cooling Problems

Complaints
2about this part
Share
1%of 257 total for the year
Median mileage
57,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 2019 Ford Flex, 1% of the 257 complaints for this model year. Where a mileage was given, the median is 57,500 miles.

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 2019 Ford Flex. The contact stated that while operating the vehicle, the engine temperature gauge increased, and the air conditioner would not blow cool air. The vehicle was taken to the local mechanic who discovered that the engine coolant level was extremely low, and that the water pump was faulty and needed to be replaced. The vehicle was repaired. Recently while driving at an undisclosed speed, the vehicle suddenly lost motive power and would not properly accelerate. …”

NHTSA complaint #11576066, filed 2024-03, 65,000 miles

“The contact owns a 2019 Ford Flex. The contact stated while driving at an undisclosed speed, the vehicle started shaking excessively and the vehicle briefly hesitated. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the water pump, resulting in damages to the engine. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 50,000.”

NHTSA complaint #11656269, filed 2025-04, 50,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
201921%
201611%
201462%
201341%
201175%
201086%
2009179%

Other parts of the 2019 Ford Flex

Back-over prevention (rear camera)
145 complaintsBody and structure
59 complaintsOther or unknown
53 complaintsElectrical system
23 complaintsVisibility (wipers, defrost, mirrors)
12 complaintsSuspension
6 complaintsEngine
5 complaintsLane departure
4 complaintsSteering
3 complaintsTransmission and drivetrain
3 complaintsAir bags
2 complaintsSeat belts
2 complaints

← All problems reported for the 2019 Ford Flex

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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