JCL,
Thanks for finding these links. This is what I had been looking for but I put in CCV not oil separator in the search bar. This helps me understand a lot more.
However I am still a little confused about all of this. These links you sent talk about the oil separator but I thought from what I have read that the problem I was dealing with was with the Crank Case Valve (CCV) which I understand to be a slightly different issue. In a nutshell, I thought the CCV helped regulate pressure in the oil delivery system and the oil separator is designed to remove moisture out of the system to keep it from contaminating the oil. Am I way off base here?
I am out of town right now and been away from the internet/computer all day. Before I left town I changed the oil (almost 6,000 miles since the last oc) on my 4.6. I started her up and not a drop of oil. Two times my oil leak started on a super cold morning seeping oil out of the the top of the oil filter housing then dripping on the concrete. Both times it happened it was extremely cold, the car had not been getting a lot of use. Once it warmed up the seeping stopped. I try not to take the 4.6 out when the weather is fowl and there is snow on the ground. So sometimes it might sit 3 or 4 days not being driven or even started.
I am also assuming that changing the OS or the CCV is similar on the 4.6 to the 4.4. Is this an incorrect assumption?
Again, JCL I really appreciate your time and knowledge. Thank you.
Quote:
Originally Posted by JCL
I have attached a link with the realoem parts book pictures of your oil separator/crankcase ventilation system.
RealOEM.com * BMW E53 X5 4.6is Crankcase-Ventilation/oil separator
Leaks can come from the return hoses, and they can get plugged. If the valve gets plugged it can create pressure in the crankcase, which forces oil out of the weakest gasket, often a valve cover gasket. Once that happens, the gasket that leaked is toast and must be replaced. The parts book picture will give you a sense of what parts are involved; inspection should include all lines, and the separator itself. You need to find your current oil leak to make sure you are fixing the leak.
No issues with respect to alignment after removing your Dinan brace IMO.
I don't know which covers need to be removed for the V8. There should be a DIY post on here about the V8, I will take a look.
edit: Here is an article on the 3.0 engine, on a 530. Note that the V8 is different, but what you will see from these detailed pictures is that there isn't a lot of room in there, and it is a bit of a rat's nest. The job isn't complicated, it is just a pain.
http://www.xoutpost.com/articles/x5/...ed-w-pics.html
edit: Here is a thread on the same subject. See in particular post #19, with the steps involved for a 2002 4.4.
http://www.xoutpost.com/bmw-sav-foru...valve-diy.html
Hope that helps.
Jeff |