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Old 02-06-2011, 03:26 AM   #1
zuckuss00
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Oil Separator Leak? DYI?

Hello,

I've been losing alot of oil rather excessively lately (Roughly 1 qt every month/900 miles) I've been trying to track the oil loss, its not going on the ground or anywhere under the car. My VCG is new and its very clean all around it and my oil housing gasket is new. Which leave me to think i might have a leak somewhere in the oil separator system. It's not making any noise and it seems to be working properly(oil cap seals with the right amount of vacuum). But i would like to visually inspect the hoses for leaks. I dont exactly know the route the hoses make, so would it be best to see them from under the car or from above with the airbox/ps resivor/alternator removed? Also, i did a search and couldnt find a very good dyi for the oil separator dyi... Is there a will written floating around somewhere?

Thanks guys!
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Old 02-06-2011, 06:40 AM   #2
Au2bahn
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Its definitely DIY. You have to remove the intake manifold. Just label all the harnesses and hoses. There are 9 bolts on top and 1 bolt at the bottom holding the intake manifold itself.

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Old 02-06-2011, 07:00 AM   #3
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Although some remove intake mani, you don't need to...I didn't.

I can see how it makes it easier when doing the cold-weather kit, but I just removed some of the foam as many do and got the ccv in.

Remove the airbox and look to see if you're collecting oil in the waffle area. If you are, clean it up and inspect again in a little bit...it might be left over from ofh gasket leak you had.

Anyway, eliminate all possible sources you can...obviously, before concluding either head gasket (check your oil/coolant) or rings.

GL...hope this helps.

BTW, what oil you using? Some seem to have greatly minimized oil loss just by using the right oil...haven't experienced this myself, so just reporting what I've picked up here (a horribly unreliable source of info...as well as an incredibly reliable source of info too!).

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Old 02-06-2011, 07:09 AM   #4
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You do not need to take off the intake manifold, it can be done with it on. Search in the DIY section for ccv, it's the first thread that comes up:

http://forum.e46fanatics.com/showthr...&highlight=ccv

It really does not get much better...
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Old 02-06-2011, 09:52 AM   #5
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If you searched you failed. There are at least 5 extremely detailed DIY's
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Old 02-06-2011, 09:54 AM   #6
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CCV is the hardest DIY I've ever done, and I've done a lot. Major PIA if you don't take off the intake manifold.
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Old 02-06-2011, 01:18 PM   #7
zuckuss00
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Quote:
Originally Posted by dmax View Post
Although some remove intake mani, you don't need to...I didn't.

I can see how it makes it easier when doing the cold-weather kit, but I just removed some of the foam as many do and got the ccv in.

Remove the airbox and look to see if you're collecting oil in the waffle area. If you are, clean it up and inspect again in a little bit...it might be left over from ofh gasket leak you had.

Anyway, eliminate all possible sources you can...obviously, before concluding either head gasket (check your oil/coolant) or rings.

GL...hope this helps.

BTW, what oil you using? Some seem to have greatly minimized oil loss just by using the right oil...haven't experienced this myself, so just reporting what I've picked up here (a horribly unreliable source of info...as well as an incredibly reliable source of info too!).

Doug
Thanks Doug! My BMW master tech also insists you do not need to remove the intake manifold. If he can remove that hose with his big hands and thick arms, i should have no problem. I want to visually inspect the hoses before i buy the parts because like I said... Im not showing any signs of separator failure other than oil loss, which doesnt necessarily mean it's coming for the separator system. I am running BMW 5w-30 and I am roughly losing 1 quart every month/800-1000 miles. Something is most defiantly wrong! lol
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Old 02-06-2011, 04:06 PM   #8
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Quote:
Originally Posted by zuckuss00 View Post
Thanks Doug! My BMW master tech also insists you do not need to remove the intake manifold. If he can remove that hose with his big hands and thick arms, i should have no problem. I want to visually inspect the hoses before i buy the parts because like I said... Im not showing any signs of separator failure other than oil loss, which doesnt necessarily mean it's coming for the separator system. I am running BMW 5w-30 and I am roughly losing 1 quart every month/800-1000 miles. Something is most defiantly wrong! lol
He's right. That said, I know many with cold weather ccv have removed mani...I just removed some foam and didn't remove the mani. I did, however, remove the intake runner to make it a little easier and replaced the 6 o-rings while there.

I know many had an issue doing this, and from reading all the diys beforehand, I wasn't expecting it to be so simple...but it wasn't so bad. Just that one hose on top...getting it in and connected.

And, don't forget, you learn how to reassemble by taking apart! Clean the guide tube really well...or pay a bunch more for a new one.

So, you doing this yourself, or letting fat fingered mechanic do it? Mine has fat fingers too...that's not an issue...it's when their heads are fat you want to keep away is all!

If you do it and run into problems, just PM me and I'll send you Jake's phone number!

Doug
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