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2018 Ford Flex problems: engine and transmission complaints and recalls

NO ELEVATED SIGNAL
6%
4 of 67 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2018 Ford Flex. Engine, transmission and fuel system account for 6% of relevant complaints.

Better than 99% of the 1,790 model years we track (2010–2023).

NHTSA data checked October 17, 2026
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The VIN is on the listing, the driver’s door jamb, and the bottom of the windshield on the driver’s side.

Does the 2018 Ford Flex have engine or transmission problems?

Not as a pattern, going by owner complaints. 4 of 67 relevant complaints filed with NHTSA about the 2018 Ford Flex concern the engine, transmission or fuel system (6%). For comparison, the 2017 scores 8% and the 2019 scores 4%. This describes the model year, not any one car: a well-maintained or already-repaired example can be fine, and a clean model year can still have a bad car in it.

Drivetrain complaints
4
engine, transmission, fuel
Total complaints
67
this model year
Fires reported
0
owner-reported
Recall campaigns
3
7 crashes · 1 injuries

Complaints by component

UNKNOWN OR OTHER19 · 28%
STRUCTURE18 · 27%
BACK OVER PREVENTION14 · 21%
ELECTRICAL SYSTEM12 · 18%
SUSPENSION9 · 13%
LANE DEPARTURE2 · 3%

The years either side

2010
44%
56 of 139
2011
37%
51 of 144
2012
27%
16 of 64
2013
18%
95 of 580
2014
33%
77 of 249
2015
28%
31 of 110
2016
17%
16 of 98
2017
8%
3 of 42
2018
6%
4 of 67
2019
4%
10 of 251
2020
no data
2021
no data
2022
no data
2023
no data

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

In the full report

The rest of the picture on the 2018 Ford Flex

What one owner reported

ENGINE05/27/2026
An antifreeze leak is very hard to locate because Ford’s design placed the water pump INside the engine rather than on the OUTside, which would be more the norm. If antifreeze leaks enough, it gets into the oil and the entire engine stands to be destroyed. Our heater quit blowing warm air recently and after intently s…

One of 4 drivetrain complaints. The full report shows them, with quotes about the engine in the car you are looking at first.

Are there engine or transmission recalls on the 2018 Ford Flex?

No engine or transmission recalls. NHTSA lists 3 recall campaigns on the 2018 Ford Flex, none of them for the engine, transmission or fuel system. A recall is the manufacturer admitting a defect and paying to fix it; whether a specific car still has one open depends on its VIN, which the full report checks. The owner complaints above are a separate record and often point at problems that never became a recall.

3 other recalls on this model year (airbags, lighting, brakes and the rest)
structure: body25V732000 · Oct 2025
Ford Motor Company (Ford) is recalling certain 2017-2019 Flex vehicles. The driver and front passenger B-Pillar door trim may detach while driving.
back over prevention: sensing system: camera25V695000 · Oct 2025
Ford Motor Company (Ford) is recalling certain 2015-2019 Flex, 2015 Explorer, Lincoln MKT, Lincoln MKZ, 2015-2016 C-Max, Escape, Taurus, 2016 Fusion, 2018-2019 Taurus, 2019 Lincoln MKT, Fiesta, and…
suspension: rear20V072000 · Feb 2020
Ford Motor Company (Ford) is recalling certain 2013-2018 Lincoln MKT and Ford Flex and Taurus vehicles with the Police Interceptor or SHO Performance Pack. The rear suspension toe links may fracture…

Source: NHTSA recall campaigns filed against this year, make and model. Checked October 17, 2026.

Checking one particular 2018 Ford Flex? This page is about the model year. Accidents, title brands and odometer records belong to the individual car, and that is what a vehicle history report covers.

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Questions people ask about the 2018 Ford Flex

Does the 2018 Ford Flex have engine or transmission problems?

Not as a pattern, going by owner complaints. 4 of 67 relevant complaints filed with NHTSA about the 2018 Ford Flex concern the engine, transmission or fuel system (6%). It describes the model year, not any one car, so an inspection still matters.

Are there engine or transmission recalls on the 2018 Ford Flex?

No. NHTSA lists 3 recall campaigns on the 2018 Ford Flex, none of them for the engine, transmission or fuel system.

Which Ford Flex years are better?

Among the Ford Flex years we track, the 2019 (4%) has a lower engine and transmission complaint share than the 2018 (6%). Manufacturers fix things mid-generation, so the year before or after can be a different car.

Should I buy a 2018 Ford Flex?

That depends on the car in front of you, not just the model year. The 2018 Ford Flex shows no elevated engine or transmission pattern in owner complaints, which is a good starting point. It is still one car with its own history, so get an independent pre-purchase inspection and a vehicle history report before you commit.

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Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle.