engine crankcase on 2003 Volvo S80

when engine warm (to temp) stats to whistle,,remove oil cap, subsides,,crankcase some what plugged ??what do i do.

by in Beacon Falls, CT on September 08, 2010
1 answer
ANSWER by , September 08, 2010
This may be a leaking crankcase hose under the intake manifold. I've seen it a few times on the XC90's. This repair is quite difficult, so I advise you take it to an experienced Volvo shop to address this. http://repairpal.com/directory?address=06403&car_brand_names=Volvo