2011–2015 Kia Sorento: Engine knocking or failure (2.4L GDI)
Likely causes, ranked
- Connecting rod bearing wearShop
Real-owner fix counts will appear here as reports come in.
DIY or shop: See DIY or shop section
Parts to check
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Symptom: A knock or clunk that rises with RPM, loss of power, or seizure.
Likely causes
- Rod bearings. Kia Forum owners report knocking and blown 2.4 engines, some after the knock sensor (KSDS) software update.
DIY or shop?
Dealer. Ask about the recall, the KSDS update and extended engine coverage.
Useful steps
- Check your VIN for 17V224.
- Tow it in if it knocks.
- Keep oil change records.
Vehicle focus: 2011–2015 Kia Sorento.
Safety / mechanic note
A seizing engine can stall in traffic. Verify with a mechanic or dealer.
Maintenance schedule for the Kia Sorento
Recalls & service bulletins
Recalls
- 17V224000 Kia recall SC147 covers certain 2011–2014 Optima and 2012–2014 Sorento with 2.4L GDI or 2.0L turbo engines. Connecting rod bearings can wear and fail. Dealers inspect the engine and replace it if needed. Details
NHTSA complaints: 1,123 keyword-matched complaints for Kia SORENTO 2011–2015 (of 5,081 unique complaints queried, NHTSA complaints API by model year, queried 2026-10-15).
Always check your VIN for open recalls at nhtsa.gov/recalls.
Sources
What actually fixed it?
Had this problem? Tell other owners what the real fix was. Reports are counted above; we never show made-up numbers.