Here’s a photo of the connector. There is a tab on the bottom that needs to be pressed ‘up’ to release. NOT intuitive by looking at it.

OP is talking about blowing out the PCV without taking everything apart OP - It’s really not feasible. The hoses need to be replaced. It’s not just a matter of plugging but the hoses harden and crack. And the crud that blocks the passages is very hard. Especially at the connection on the bottom of t...

You can download VDASH from D5T5 free - https://d5t5.com/ They also sell cables that work with VDASH. But be aware - it’s a “pay as you go” model You can buy or download VIDA 2014D (the older ‘offline’ version from various places. The official VIDA is free to download from Volvo but it has steep sub...