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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 09-23-2010, 05:27 PM   #1
chrisrunner
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The Official CCV DIY thread

Just finished doing the CCV/oil separater job on my E46. Figured we needed a thread of recognition to all those who have fought this battle with the hoses associated with it. Kudos to you, CCV accomplisher.

here's the DIY:
http://bimmerfest.com/forums/showthr...+separator+diy
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Old 09-23-2010, 05:37 PM   #2
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So what part of this thread is official, exactly ?
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Old 09-23-2010, 05:40 PM   #3
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Uhhh...it says official in the thread title. After you've done the job, I'm sure you'll want to tell the world. Its a pain in the ass.
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Old 09-23-2010, 05:54 PM   #4
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after i did the job, this is what i have to say:

dont put a new one on, just route the hose to the ground and plug the holes. CCV is a ***** and a half.
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Old 09-23-2010, 05:59 PM   #5
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I see now sign of a DIY thread in here.

I am disappoint.
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Old 09-23-2010, 06:57 PM   #6
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Old 09-23-2010, 07:49 PM   #7
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I did it and it was brutal.

This is what the old oil separator and its various hoses looked like after the arduous task of taking them out was complete...

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Old 09-23-2010, 07:59 PM   #8
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I did it as part of a 2.5 day massive diy including it, rad, ofh gasket and stuff I don't want to remember. Jake beat me bad...but I took lots of cleaning breaks!

Jake, solid time or you have one of those chess timers? LOL

Also, I didn't think it was brutal, but I studied really hard for it too...like 3 different video diys, inluvwithe46's photo diy, and that one with all the nudes...think that was definitely the best! Anyone save that link?

Should I make an official Land Rover roof diy thread? Suspect I'd be alone on that...or armrest delete...a club for those brilliant adopters of my gps mount?

OP...jk...it is fun, isn't it?

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Old 09-23-2010, 09:17 PM   #9
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That was a super easy DIY, the hardest part for me was changing the upper steering u-joint while I was in there.
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Old 09-24-2010, 01:27 PM   #10
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it wasn't hard, just annoying. routing the hose through the intake manifold and then twisting the CCV on took me a long time. the fact that ripping it out is done by breaking everything should prepare you for how hard it is going to be to fit it all in there without breaking hoses.

the job itself is easy, its taking things out and putting them back together. but the amount of beer i needed to provide the patience for the damn hoses was scary!

cheers!
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Old 09-24-2010, 01:47 PM   #11
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Originally Posted by chrisrunner View Post
it wasn't hard, just annoying. routing the hose through the intake manifold and then twisting the CCV on took me a long time. the fact that ripping it out is done by breaking everything should prepare you for how hard it is going to be to fit it all in there without breaking hoses.

the job itself is easy, its taking things out and putting them back together. but the amount of beer i needed to provide the patience for the damn hoses was scary!

cheers!
not digging the beer drinkin'
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Old 09-24-2010, 03:03 PM   #12
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Originally Posted by chrisrunner View Post
it wasn't hard, just annoying. routing the hose through the intake manifold and then twisting the CCV on took me a long time. the fact that ripping it out is done by breaking everything should prepare you for how hard it is going to be to fit it all in there without breaking hoses.

the job itself is easy, its taking things out and putting them back together. but the amount of beer i needed to provide the patience for the damn hoses was scary!

cheers!

Yup, the ONLY hard part is that hose that goes through the manifold. I cut myself trying to put it in many times!
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Old 09-24-2010, 03:26 PM   #13
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Every person searching for a CCV DIY thread is going to be disappointed by this thread. What part of this is a DIY?
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Old 09-24-2010, 03:33 PM   #14
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nudes!?
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Old 09-24-2010, 03:36 PM   #15
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Every person searching for a CCV DIY thread is going to be disappointed by this thread. What part of this is a DIY?
Here's the best one.

http://bimmerfest.com/forums/showthr...+separator+diy

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nudes!?
Go to the Off-Topic section
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Old 02-28-2015, 08:35 PM   #16
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Anyone have any tips for the twist lock hose. Having a little trouble getting it in the right position.
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Old 02-28-2015, 09:24 PM   #17
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Anyone have any tips for the twist lock hose. Having a little trouble getting it in the right position.
There is a trick.
  • Lower the CCV unit, i.e. not mounted but in the area
  • Drop the fuel breather from its perch so you can get your left hand in there to do the magic. Remove the hose coming down from the fuel breather (the clip-on one) so you can move the unit more easily
  • Attach the hose to the CCV body first. Push it in but don't rotate it yet. No need to force it if your o-rings are lubricated
  • Rotate the hose while raising the CCV. Thread it through the manifold and click it into the air distribution piece. The end connected to the CCV is now also locked by virtue of you rotating it
  • Secure the CCV. The rest of the hoses will be easy
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Old 02-28-2015, 09:58 PM   #18
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after i did the job, this is what i have to say:

dont put a new one on, just route the hose to the ground and plug the holes. CCV is a ***** and a half.
lmao, 'just route the hose to the ground' ; thank you for the laugh
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Old 02-28-2015, 10:19 PM   #19
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Anyone have any tips for the twist lock hose. Having a little trouble getting it in the right position.
In addition to the bulleted list above, here’s the section in the BavAuto video DIY that shows how that piece connects and their way of doing it: https://www.youtube.com/watch?featur...wxoFAl7I#t=637.
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Old 02-28-2015, 10:56 PM   #20
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Thanks guys, I managed to get it on. Now I am noticing though that my new cold climate valve doesn't have the spot for the vacuum line that i disconnected from my old one. Am I missing something here?

Is it behind the insulation or something?

I just got my wisdom teeth out so i'm taking this slow right now. (mouth is bleeding a lot after wrestling some hoses.) All I have left is to finish cleaning my dip stick tube and get the hose that goes to the valve cover connected. It was being a little biatch.
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