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Engine coolingPart report

2017 Kia Niro Engine cooling Problems

Complaints
4about this part
Share
5%of 82 total for the year
Median mileage
97,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine cooling of the 2017 Kia Niro, 5% of the 82 complaints for this model year. Where a mileage was given, the median is 97,000 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.

“Hybrid System Failure due to overheating Overheating due to coolant leak into resorvoir My car started having white smoke come from exhaust during driving Took to the repair shop, repaired the coolant reservoir next day, same issue took back to the service tech stated they couldn't find the leak, but the reservoir was empty. Took the car for a second opinion, the service people had my car all day, after picking up, was told by the repairman that it was the engine and KIA is aware of it. …”

NHTSA complaint #11550994, filed 2023-10

“The contact owns a 2017 Kia Niro. The contact stated that while operating the vehicle, the message Engine Overheated - Turn Engine Off was displayed with white smoke coming from the exhaust system. Upon inspection, it was discovered that the coolant level was extremely low. The contact stated that coolant was added to the reservoir; however, hours later the coolant level was low again. The vehicle was towed to the local mechanic, who diagnosed the vehicle and determined that the head gasket was blown and that the engine needed to be replaced. The vehicle was not repaired. …”

NHTSA complaint #11704438, filed 2025-12, 112,000 miles

“The contact owns a 2017 Kia Niro. The contact stated that while her son was driving at an undisclosed speed, he noticed white smoke coming from the exhaust. The contact stated that her son pulled over to input more coolant however, upon starting the vehicle, the coolant immediately drained from the reservoir. Additionally, the contact stated that a burning odor could be detected throughout the vehicle. No warning light was illuminated. The vehicle was taken to the dealer where it was diagnosed that a hole was in the exhaust and needed to be replaced. …”

NHTSA complaint #11491873, filed 2022-11, 97,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202025%
201947%
201812%
201745%

Other parts of the 2017 Kia Niro

Engine
29 complaintsElectrical system
23 complaintsTransmission and drivetrain
19 complaintsOther or unknown
12 complaintsFuel system
11 complaintsSteering
7 complaintsBody and structure
7 complaintsAir bags
2 complaintsBrakes
2 complaintsElectronic stability control
1 complaintsExterior lighting
1 complaintsHybrid propulsion system
1 complaints

← All problems reported for the 2017 Kia Niro

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