PITSTOP: CYLINDER HEAD STEEL BALL INSPECTION AND INSTALLATION - This Pitstop provides information regarding the inspection and installation of the steel sealing ball on: * 3.3L & 3.8L Lambda engines for 2007-2008MY Sorento (BL), * 2.0L Nu engines for 2010-2019
View on NHTSA →2007 Kia Sorento engine problems
moderate 6 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
PITSTOP - ENGINE COMPONENT RE-USE GUIDELINES - In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine.
View on NHTSA →KIA: DUE TO DESIGN OF DRAIN HOLES IN VALLEY OF LAMBDA V6 ENGINES, A MISDIAGNOSE OF A POSSIBLE OIL LEAK SOURCE IN REAR MAIN SEAL OR OIL PAN, WHEN ACTUAL LEAKS COMING FROM ENGINE VALLEY,OIL FILTER HOUSING, OIL PRESSURE SWITCH, AND/OR GASKETS. *PE
View on NHTSA →KIA: PROVIDES THE PROCEDURE TO UPGRADE THE ENGINE CONTROL MODULE (ECM) ON SOME VEHICLES WHICH MAY EXPERIENCE IDLE IRREGULARITY WITH BRAKE PEDAL APPLIED/DEPRESSED. *PE
View on NHTSA →KIA: ECM UPGRADE WITH TP SENSOR REPLACEMENT-MIL ON WITH DTC P2135/P0638. INFORMATION RELATED TO ECM SOFTWARE AND TP SENSOR UPGRADE ON SOME VEHICLES WITH 2.7L ENGINES WHICH MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH THE ELECTRONIC THRO
View on NHTSA →Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 0 most recent
Common questions
How serious is the engine problem on the 2007 Kia Sorento?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 6 complaints filed, engine issues most often appear around 68,869 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.