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Engine coolingPart report

2018 Ford Fusion Hybrid Engine cooling Problems

Complaints
3about this part
Share
5%of 59 total for the year
Median mileage
118,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine cooling of the 2018 Ford Fusion Hybrid, 5% of the 59 complaints for this model year. Where a mileage was given, the median is 118,000 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 2018 Ford Fusion Hybrid. The contact stated that coolant needed to be added to the coolant reservoir occasionally. While driving at various speeds, the engine overheated. Additionally, there was an abnormal rattling sound coming from the vehicle and the vehicle was slow to start. The traction, engine, and air bag warning lights were illuminated. The vehicle was taken to an independent mechanic, who informed the contact that the head gasket had blown. The local dealer was contacted, but the vehicle was not diagnosed or repaired. …”

NHTSA complaint #11589878, filed 2024-05, 190,000 miles

“The contact owns a 2018 Ford Fusion Hybrid. The contact stated while her husband was driving 35-40 MPH after an oil change had been performed on the vehicle, the check engine warning light illuminated. The vehicle was taken back to the mechanic, where it was diagnosed that there was a coolant intrusion in the engine. The mechanic determined that the engine needed to be replaced. The vehicle was not repaired. An unknown dealer was notified of the failure. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. …”

NHTSA complaint #11576932, filed 2024-03, 118,000 miles

“The contact owns a 2018 Ford Fusion Hybrid. The contact stated while driving at an undisclosed speed, the vehicle shuddered momentarily. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where it was determined that the engine had failed due to coolant intrusion. The contact was informed that the engine needed be replaced. The vehicle was not repaired. The contact related the failure to Ford Campaign Number: 21N12. The manufacturer was notified of the failure. A case was opened, and the contact was referred to the NHTSA Hotline for assistance. …”

NHTSA complaint #11627959, filed 2024-11, 94,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
201835%
201512%
201412%
201010%

Other parts of the 2018 Ford Fusion Hybrid

Electrical system
10 complaintsTransmission and drivetrain
10 complaintsBrakes
9 complaintsOther or unknown
8 complaintsSteering
7 complaintsAir bags
6 complaintsWheels
5 complaintsEngine
4 complaintsFuel system
3 complaintsSeat belts
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsBody and structure
2 complaints

← All problems reported for the 2018 Ford Fusion Hybrid

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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