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Engine coolingPart report

2018 Kia Soul Engine cooling Problems

Complaints
9about this part
Share
4%of 220 total for the year
Median mileage
97,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the engine cooling of the 2018 Kia Soul, 4% of the 220 complaints for this model year. Where a mileage was given, the median is 97,500 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 2018 Kia Soul. The contact stated that the vehicle was consuming an excessive amount of engine oil. The service engine warning light was illuminated. The vehicle was taken to the local dealer for an oil consumption test and oil change. The contact stated that the engine needed to be rebuilt. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 89,400.”

NHTSA complaint #11551991, filed 2023-10, 89,400 miles

“The contact owns a 2018 Kia Soul. The contact stated that the check engine warning light was illuminated. The vehicle was taken to the dealer and the contact was unsure what part was replaced on the vehicle; however, the check engine warning light became illuminated again. The vehicle was taken to the dealer and the dealer stated that the ECU was updated. The manufacturer was not contacted. The failure mileage was 63,000.”

NHTSA complaint #11517494, filed 2023-04, 63,000 miles

“The contact owns a 2018 Kia Soul. The contact stated that the vehicle was consuming an excessive amount of engine oil. The contact stated that the oil level was low after a routine oil change. The vehicle was taken to the local dealer, where it was diagnosed that the gasket and catalytic converter needed to be replaced. The vehicle was not repaired. The manufacturer was contacted and referred the contact to the NHTSA Hotline. The failure mileage was approximately 97,000.”

NHTSA complaint #11618118, filed 2024-10, 97,000 miles

“The contact owns a 2018 Kia Soul. The contact stated that while driving at an undisclosed speed, the vehicle inadvertently lost motive power. The contact was able to pull over to the shoulder of the roadway, where the vehicle failed to restart. No warning lights were illuminated. The vehicle was towed to an independent mechanic, who diagnosed a failure with the piston oil rings, resulting in damage to the engine. The contact was informed that a piston was missing and that the engine needed to be replaced. The vehicle was not repaired. …”

NHTSA complaint #11681606, filed 2025-08, 130,000 miles

“The contact owns a 2018 Kia Soul. The contact stated that after the vehicle received an oil change by an independent mechanic, his wife was driving at an undisclosed speed, and the vehicle lost motive power with the check engine warning light illuminated. The contact stated that a connecting rod had gone through the engine block and fallen out underneath the vehicle. The vehicle failed to restart and was towed to the residence. The vehicle was then towed to an independent mechanic, where it was diagnosed that the engine needed to be replaced. …”

NHTSA complaint #11507013, filed 2023-02, 150,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202312%
20222021%
20214720%
2020113%
201964%
201894%
201793%
201610613%
2015586%
2014556%
2013457%
2012326%
201142%
201054%

Other parts of the 2018 Kia Soul

Engine
142 complaints
Transmission and drivetrain
31 complaints
Other or unknown
30 complaints
Electrical system
20 complaints
Air bags
11 complaints
Fuel system
11 complaints
Vehicle speed control
8 complaints
Brakes
7 complaints
Steering
5 complaints
Body and structure
5 complaints
Exterior lighting
4 complaints
Visibility (wipers, defrost, mirrors)
4 complaints

← All problems reported for the 2018 Kia Soul

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