# Service bulletin TSB\_ENG235

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10206881
- Published by NHTSA: 2022\-02\-04
- Manufacturer's number: TSB\_ENG235
- Manufacturer's date: 2022\-01\-25
- NHTSA component: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\)

## NHTSA's summary

TECHNICAL SERVICE BULLETIN: AIR INTAKE SYSTEM CLEANING, PCV VALVE \& AIR FILTER REPLACEMENT DUE TO OIL CONTAMINATION \- This bulletin provides information regarding the air intake system which may become contaminated with oil due to a faulty Positive Crankcase Ventilation \(PCV\) check valve on some 2021\-2022MY Sorento \(MQ4a\) vehicles equipped with Theta III 2.5L T\-GDI engine, produced from September 10, 2020 through October 2, 2021, which may allow engine oil to enter the air intake system and contaminate the engine air filter with oil.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10206881-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10206881-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Exhaust and emissions, Crankcase ventilation \(PCV\)

## Vehicles listed

- 2021 to 2022 KIA SORENTO

JSON: [/v1/bulletins/10206881](/v1/bulletins/10206881)

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