Stock Problems/Issues Discussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Clubman (R55), Cooper and Cooper S(R56), and Cabrio (R57).

PCV Hose or Crankcase Breather Hose

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Old Jan 13, 2018 | 11:48 PM
  #1  
Minmcint's Avatar
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PCV Hose or Crankcase Breather Hose

Just bought my daughter a 2010 R56 Base. Although I was a mechanic back in England 40 years 1975-1977 (injured), sadly I have to ask this question. Where the hell does this hose go? The car was stalling, and so I went online. Armed with enough information, I started pulling on things as you do. I found the hose which attaches to the rocker cover was broken about 3" down, but someone had put electrical tape on and that had now come off. I got some hose tape and temporarily connected the two ends. YA fixed; no more stalling. LUCKY BREAK (I'm thinking that little story might help others)

So the question is WHERE does it go? After 6" it fades off into the abyss. It goes under the manifold and then gone. The ultimate question is; what do I have to take off to change it?

Thank you, John
 
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Old Jan 14, 2018 | 11:02 AM
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R56BrgMcs
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From: Spokane, Wa. it's not near Seattle
On the mcs, you can reach under and disconnect it fairly easily. I imagine it would be similar on the justa. Pelican parts has a lot of how-to's on their site for more details, ECS tuning has most parts if you're shopping around for a replacement. Oh and welcome to NAM!
 
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Old Jan 14, 2018 | 12:09 PM
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Originally Posted by R56BrgMcs
On the mcs, you can reach under and disconnect it fairly easily. I imagine it would be similar on the justa. Pelican parts has a lot of how-to's on their site for more details, ECS tuning has most parts if you're shopping around for a replacement. Oh and welcome to NAM!
Thanks for the response and welcoming. No idea what mcs are justa. Looked up videos etc. but nothing so far. I mainly want to know what I have to remove on-top to get to the hidden end, or if is only accessible from below if the manifold is in place.
 
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Old Jan 14, 2018 | 09:54 PM
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From: Spokane, Wa. it's not near Seattle
mcs is mini cooper s and justa is what everyone calls a "regular" mini.
 
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Old Jan 14, 2018 | 10:20 PM
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Originally Posted by R56BrgMcs
mcs is mini cooper s and justa is what everyone calls a "regular" mini.
Again my thanks.

So I don't have an RRS I just have a justa.... justa being a Range Rover Hse (mine not my daughters)
 
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Old Jan 14, 2018 | 10:23 PM
  #6  
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Sounds like it's item 1 in this diagram?

http://www.realoem.com/bmw/enUS/show...diagId=11_3915

And if it is, there's the answer to your question.
 
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Old Jan 14, 2018 | 10:33 PM
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Yes, that's the one. I just couldn't see the lower end when I was underneath. I am wondering do I have to remove things above, it to get access to replace the hose.
 
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Old Feb 9, 2018 | 09:40 AM
  #8  
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That is the pcv hose that goes to the intake manifold underneath the airbox.

I have managed to replace it without taking off the airbox and intake manifold. You can snake it down through there. Just make sure you have patience as you will not get it the first time. Be careful too as those are not rubber but brittle plastic and will break fairly easy. I bought a new one for 30 dollars or so but someone had a better idea and cut the ends off of it and replaced the brittle plastic hose part with a more durable rubber hose. There is a youtube somewhere that gives the diameter of the hose needed.
 
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Old Jul 31, 2018 | 10:34 AM
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So I can get to it from this point...

 
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Old Jul 31, 2018 | 03:43 PM
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it connects at/near the throttle body, but from the drivers side... the hose is shaped like an 'S'

*You will either need to:

A. remove the lower tube to the airbox (coming from your drivers headlight->airbox)..then reach you arm under the airbox and feel for the stupid plastic sleeved connection, just like the one at the head. It is a PITA.
B. jack up the car.. from the bottom, you can see it plain as day (need a flashlight)..its easy to get at and you can pull the entire hose out through the bottom once its disconnected.

Next - you need some materials:

*razer knife
*2x brass NTP->1/2" nipple
*2x 3" straight section of 3/4" (or 5/8") heatercore hose or other rubber type, so long as its oil resistant
*4x 3/4" hose clamps
*3' of 1/2" heatercore hose or other rubber type, so long as its oil resistant
*2x 1/2" hose clamps

Using the OEM hose and your knife.. carefully cut the hose off of the end connectors. Slip your 3/4" hose over the nipples of the salvages connectors & hose clamp. Insert the brass NTP end into the 3/4" hose and clamp.. then fab up your 1/2" hose to connect the 2x end. Once youre done.. reinstall. You will never have to worry about that stupid hose again.
 
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Old Aug 12, 2018 | 01:17 PM
  #11  
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Originally Posted by cornjuice
it connects at/near the throttle body, but from the drivers side... the hose is shaped like an 'S'
*You will either need to:
A. remove the lower tube to the airbox (coming from your drivers headlight->airbox)..then reach you arm under the airbox and feel for the stupid plastic sleeved connection, just like the one at the head. It is a PITA.
B. jack up the car.. from the bottom, you can see it plain as day (need a flashlight)..its easy to get at and you can pull the entire hose out through the bottom once its disconnected.
Are you talking about a "justa" N12 or an MCS N14? This hose is completely different between the two. I'm having the same issue and there is no way you can see the intake manifold end of this hose from underneath or above. Also there is an electrical connection on the N12 hose at the intake manifold side. I don't see how to get at it without completely removing the intake manifold.

Can someone verify how to do this on an N12?
 
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Old Mar 2, 2019 | 07:12 AM
  #12  
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Where the heck is the other end of the crankcase breather hose on my 2009 R56 non S? I have spent about 2 hours lookin inside the boot and from underneath but still couldn’t locate it!
 
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