Link to the 1999 thread…I think P2 uses same sizes ?abscate wrote: ↑29 Mar 2022, 06:24 I documented the sizes of this on the P80 chassis in a thread in rough idle.
The check valves can have different size hoses in each end so it’s not a one size hose proposition. Turbo and NA engines are also quite different turbos have to provide vacuum to the evap system from both intake and snorkel and have to be isolated by check valves, ergo the complexity
https://www.matthewsvolvosite.com/forum ... e&start=10