My 2001 S80 owners manual says "The orifice nipple in the intake manifold and the filter at the end of the PCV hose in the air cleaner should be inspected at 60K miles and thereafter at 30K mile intervals".
Where is the "orifice nipple" and the "filter" located? Can't seem to find them...
The only "orifice nipple in the intake manifold" I can find is a VERY small diameter tube that connects to the intake manifold right next to the power brake vacumn hose. Is this it?
And where is the "filter at the end of the PCV hose"? Dammed if I can find any PCV hose running to the air cleaner, unless they mean the very small one mentioned above, and that one does not look like it has any sort of filter on the end of it...
Any feedback greatly appreciated.
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