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Engine coolingPart report

2009 Kia Optima Engine cooling Problems

Complaints
2about this part
Share
2%of 116 total for the year
Median mileage
77,200miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 2009 Kia Optima, 2% of the 116 complaints for this model year. Where a mileage was given, the median is 77,200 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.

“This car was purchased in march 2010 and had only 2400 miles on it when the oil pump failed. It took citrus motors in ontario, ca almost two weeks to acquire the part and replace it. Updated 01/20/11”

NHTSA complaint #10372764, filed 2010-12, 2,400 miles

“The contact owns a 2009 Kia Optima. The contact stated while driving at approximately 35 MPH, the vehicle was making an abnormal knocking noise and then stalled. The contact stated that the battery and check engine warning lights were illuminated. The contact was able to restart the vehicle. The contact drove the vehicle to an independent mechanic and the vehicle stalled several times while driving to the mechanic. The mechanic had diagnosed the vehicle and determined that there were metal shavings in the oil pan and that the engine needed to be replaced. The vehicle was not repaired. …”

NHTSA complaint #11624035, filed 2024-11, 152,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202085%
201931%
2018146%
201783%
2016243%
2015313%
2014163%
2013423%
2012202%
201181%
201023%
200922%
200853%
200742%
200696%
200564%
2004115%
200375%
200277%
20012417%

Other parts of the 2009 Kia Optima

Transmission and drivetrain
33 complaints
Air bags
28 complaints
Brakes
21 complaints
Electrical system
16 complaints
Engine
14 complaints
Vehicle speed control
11 complaints
Electronic stability control
9 complaints
Exterior lighting
9 complaints
Steering
7 complaints
Body and structure
4 complaints
Suspension
4 complaints
Other or unknown
3 complaints

← All problems reported for the 2009 Kia Optima

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