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  #1  
Old 02-18-2019, 01:22 PM
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My CCV froze and blew all the oil out of my X5. NEED HELP

Hey Guys, Canadian winters really SUCK btw...
After being away with work for 5 days, I cold started it to drive home and it was rough starting and at first didn't didn't have any throttle, it just idled so i slowly drove it out of the parking lot at work and down the street to warm it up. Once I got about a km down the road I shut it off and restarted it and then had some throttle response and things seemed normal. The vehicle temp came up and the oil temp seemed normal too. I got about 30min down the highway and suddenly my oil light flickered and caught my attention. I slowed down and paid attention to it until it came on and then I slammed on the brakes, pulled over and shut the vehicle off. I popped the hood and checked the dip stick for oil and there was none so I looked under the vehicle and the bottom was covered. I called a tow truck and had it flat bedded home. I pulled the undercarriage covers off and found that it blew the short hose attached to the bottom of the CCV oil separator (slim funnel looking thing). My top hose going back to my valve cover was completely frozen with ice so I made sure both hoses were clean and dry along with the CCV separator. I managed to get it all back together but I'm confused now as to which hose goes to which inlet in the oil separator. I have two different images from searching for parts on the internet showing the hoses going to different holes. The way I had them was the hose going from the valve cover went to the top hole and the second hose went down into the intake manifold but I'm not 100% certain this is the right way.
Also, Once I added oil again and tried running it, it idles really rough and I have no throttle. The yellow engine light is on and it's flashing too. My buddy is coming over with his code reader to see what codes it's throwing. After adding oil and running it a bit (2-3min tops) I drained the oil and checked for metal in the oil while putting it through a paint strainer and didn't find any so I dumped the oil back in.

With the CCV oil separator, I have ordered a new one that will be in tomorrow but after cleaning mine out, I can blow in any one of the three holes and feel air from the other two. It isn't cracked at all so I think it's still good. I bought a piece of 50psi low pressure black rubber hose from Auto Value and used a heat gun to warm it up and then pushed the back of a steel punch into the hose to stretch it and then let it cool. I did both sides and then slid the one end onto the bottom of the separator with a hose clamp. Since I widened the opposite end, I was able to slide it onto the metal oil return pipe and install a hose clamp to secure it. I fought with it for awhile before figuring this idea out so hopefully it helps someone else.
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  #2  
Old 02-18-2019, 02:31 PM
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I found a good article on removing and replacing the CCV along with hoses so I'm certain I have them hooked up correctly. Now to figure out why it doesn't run properly after replacing everything...
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Old 02-18-2019, 06:25 PM
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Here's a list of the codes we got. Unfortunately my buddy's scanner reads German.
#140 Thermostat
# 26 LR adaptation Multiplikativ Bereich1
# 93 Tankentlueftung Functional check - gas tank vent
# 131 DK-Steller Regelbereich -
# 130 DK Positionsueberwachung
# 212 Klopfsensor3 (75 times) - knock sensor
# 114 Nockenwellengeber Bank 2
# 33 Nockenwellensteuerung
# 62 Aussetzererkennung, Summenfehler
# 51 Aussetzererkennung Cyl. 5
# 53 Aussetzererkennung Cyl. 8
# 54 Aussetzererkennung Cyl. 6
# 56 Aussetzererkennung Cyl. 7
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Last edited by GOFAST GUY; 02-18-2019 at 06:37 PM.
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Old 02-18-2019, 07:34 PM
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- Remove spark plugs and suck oil out of cylinders.

- Then search forum for "BavarianE39 CCV Mod" and do that mod.
I posted detailed info in that thread.
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Old 02-18-2019, 08:51 PM
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I DID THE PCV MOD AND NEVER LOOKED BACK...THAT WAS 3 YEARS AGO..
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Old 02-18-2019, 09:37 PM
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Here is probably what happened inside your CCV and then froze up



Mike
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Old 02-18-2019, 11:25 PM
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Thanks Guys!! I'm on it!! Much appreciated!! I've gotta head back to work end of this week and need my wheels.
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Old 02-19-2019, 08:06 AM
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Clean out the oil return channel in your dipstick, it gets clogged with sludge.
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Old 02-19-2019, 11:04 AM
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I've looked over the instructional on how to delete the CCV valve and replace it with the PCV valve. It 'appears' that my system is quite a bit more simple in that I don't have a distribution panel going across my intake manifold. I have a line coming out of my valve cover which needs the PCV valve which would then run straight into my intake manifold. And then I would simply plug the oil pan return line if I'm reading this correctly.



I haven't checked my one side of cylinders yet for oil but what I don't totally understand is why it would fill up that side. Hopefully one of you guys knows why that is and can explain it to me.


Also, with the CCV oil separator for my X5, it looks like a simple system of oily air coming into the side, spinning around a non-mechanical circular drain type system resulting in the oil draining out the bottom while the air finds it's way up and out the top back to the intake manifold where it goes into what may be the valve portion of the whole setup. When I pulled it off and ran hot water through it, I rinsed a bunch of 'mayo' out of it but afterwards I could blow in any of the holes and air would come out of the others which tells me it's an open system; or does that only confirm that it's pooched? I have another one on order from Auto Value and I'll try blowing through it today when I go to get hoses to fix this whole issue.



If I simply run the line out of my valve cover and down into my intake manifold where i suspect that valve is... my intake manifold will be getting the oily air without it being separated and drained back into the oil pan. Does anyone see an issue with this?



Thanks for you input on this.
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  #10  
Old 02-19-2019, 03:26 PM
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Quote:
Originally Posted by GOFAST GUY View Post
I've looked over the instructional on how to delete the CCV valve and replace it with the PCV valve. It 'appears' that my system is quite a bit more simple in that I don't have a distribution panel going across my intake manifold. I have a line coming out of my valve cover which needs the PCV valve which would then run straight into my intake manifold. And then I would simply plug the oil pan return line if I'm reading this correctly.



I haven't checked my one side of cylinders yet for oil but what I don't totally understand is why it would fill up that side. Hopefully one of you guys knows why that is and can explain it to me.


Also, with the CCV oil separator for my X5, it looks like a simple system of oily air coming into the side, spinning around a non-mechanical circular drain type system resulting in the oil draining out the bottom while the air finds it's way up and out the top back to the intake manifold where it goes into what may be the valve portion of the whole setup. When I pulled it off and ran hot water through it, I rinsed a bunch of 'mayo' out of it but afterwards I could blow in any of the holes and air would come out of the others which tells me it's an open system; or does that only confirm that it's pooched? I have another one on order from Auto Value and I'll try blowing through it today when I go to get hoses to fix this whole issue.



If I simply run the line out of my valve cover and down into my intake manifold where i suspect that valve is... my intake manifold will be getting the oily air without it being separated and drained back into the oil pan. Does anyone see an issue with this?



Thanks for you input on this.
Sounds like you are looking at CCV DIY's for the M54 I6 engine but you have the M62 V8...?
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