I'd be almost certain you will have to take the intake manifold off to access the hose to replace it. I would replace it with heater hose of the same dimension, not sure what that dimension is but it should be available at Napa or somewhere that they sell bulk hose, also insist on Oetiker clamps if ...

the banjo bolt has to be upgraded to the new version. it has a ball bearing which can be injested into the engine and break a valve.

https://www.ipdusa.com/products/22640/Main-PCV-Breather-Hose-Rebuild-Kit-P2-S60-V70-XC70-S80-XC90-MTC-171262-Volvo-30731068 Here's IPD's kit that includes the hose. My mechanic changed that same part for about $400+ if you don't want to do it. But yes, you don't have to remove the intake. You just w...

You can replace that hose on car without removing the PCV. I’ve got the hose measurements somewhere. Use good closed band or oetiker clamps. It doesn’t have to look just like stock but be aware of where it routes so it doesn’t chafe. The coolant banjo bolt doesn’t have anything to do with the vacuum...