Misassembled check valve for the PCV (Positive Crankcase Ventilation) system, resulting in engine oil...

Bulletin number

21-EM-012H

Component

Engine and engine cooling: cooling system: hoses/lines/piping/fittings

Summary

Certain vehicles listed below equipped with 2.5T turbo engines may have a misassembled check valve for the PCV (Positive Crankcase Ventilation) system, resulting in engine oil entering the intake and contaminating the air cleaner. This bulletin describes the procedure to clean the air intake system and replace the PCV check valve and air cleaner.

Owners of these vehicles have filed 204 complaints in the engine category.