Saab 9-3 and 9-5: Checking the PCV system version - Trionic Seven Quick Tip

The PCV system (also called the crankcase ventilation or CCV) is a critical component in any engine, however early versions of the Saab B205 and B235 engines had PCV which in many cases caused oil sludge and severe engine damage. In 2004, Saab solved this problem by offering a PCV upgrade kit for existing cars, and re-designing the engine block for new cars.

If your car is a Saab 9-5 with model year 1998-2003 or a Saab 9-3 with model year between 2000-2003, you are highly recommended to upgrade to the newest version of the PCV system. From 2004 and onwards, the engine block was modified, thereby solving the issue.

This video shows how to check if your car has the latest version of the PCV kit. Carefully remove the upper plastic engine cover (do not break the clips!) and check if the oil dipstick housing has a house sticking out of the back end. If there is no hose, the car has insufficient crankcase ventilation and risks sludging the engine oil.

More information about the Saab 9-5 and 9-3 oil sludge issues and the PCV fix can be found at Göran Larssons excellent site: https://web.archive.org/web/20160409095332/http://www.mitt-eget.com/saab/information_ccv_en.shtml

Svenska: Denna video visar hur man kontrollerar vilken version av vevhusventilation man har på sin Saab 9-5 (årsmodeller 1998-2003) och Saab 9-3 (årsmodeller 2000-2003). Till årsmodell 2004 gjordes motorblocket om, så denna film gäller enbart modellerna som släpptes innan detta år.

Ta försiktigt av den övre plastkåpan (akta clipsen!) och kolla baksidan av oljestickans hus. Om det finns en slang från baksidan (som i filmen) är det den senaste versionen. Annars har bilen otillräcklig vevhusventilation och måste modifieras.

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Видео Saab 9-3 and 9-5: Checking the PCV system version - Trionic Seven Quick Tip канала Trionic Seven