Ok, I think I will get a set of oil gallery brushes and drop the oil pan, too. I will see if there is a pcv breather port that could be plugged or if the oil is sludge-like. I got the vehicle with 113k mi, now 148K, and I run 5W-30 Castrol Edge or Mobile1 high mileage and use Napa gold or Mahle oil ...

Thanks for the info, RickHaleParker! This is what I had originally thought as I had not seen any other hoses wen I have replaced the oil trap twice now in less than 1yr. Still not sure why vehicle is making this noise like something is still plugged up. Last time I changed the trap I lightly blew ai...

So, with my 3.2 L 6-cylinder engine, I don't see where there is a breather box with hoses. The PCV valve/oil trap on my vehicle is on top of the engine and near the firewall and has no hoses coming in or out of it. I would be grateful if you could send me pictures or engine diagrams as to where I co...

Hey all, this is my first time posting in the three years I have owned my 2007 XC90 3.2L and have appreciated all of the tips I have found here over the years. Since I have not found answers related to my issues here, I am hoping to get some solutions that I, as well as others could benefit from. My...