Originally Posted by
ironmike
I might just do that. The dealer I bought it from will do the hose under used car warranty but I didn't want to do that only to find out some time later that I have other issues related to closing up the system again but with other plugged up parts. Hence my questions about determine if other areas might be plugged up and require total job anyway.
Great advice thanks.
No problem, I honestly think if you just replace the hose you should be fine. I don't have too much experience with that entire system but I doubt anything crazy has fallen in there. Just be sure you replace it with a rubber or silicone hose so that asinine plastic accordion doesn't shear in the same manner again.
Just thinking through it, that line supposedly has a direct lead to the oil pan and if anything fell down there, you'd have a much bigger problem than just a sheared hose. Seeing as everyone is in a bit of confusion over my PCV valve statement, I don't think there's anything to block something from falling down there so you'd definitely have noticed a greater issue by now.
Originally Posted by
guyeye
Where is this PCV "valve" you speak of? Never heard of the filler cap trick. Wouldn't this indicate suction (a good thing)?
I should stop thinking past 12am. I always misspeak or do some computation wrong. Take my advice, don't do calculus or physics past 12am. It always get much more frustrating than doing it around 9pm.
Anyway, suction is a good thing but you don't want enough suction to the point you can't get the oil cap off if the vehicle is running. From my understanding, Volvos have a PCV hose that recirculates fumes collected from the oil pan (or other places near the bottom of the engine) and circulates them up to the intake to burn off creating cleaner emissions. I'm taking a wild guess and saying that within that system there is a small valve that opens and shuts so there isn't any back pressure that could potentially blow off the oil cap. Then again, I could be totally and completely wrong and there could be a bypass or some type of vent so that situation never arises. Or the engine never creates enough pressure on either end negating any need for such a valve.
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