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breathers



  Megane 2 GT 165
Breathers are used when you change the bend to the throttle body on clios. (usually there's a pipe going from the cam-cover to the bend)

The breather makes sure the oil-damp stays in the cam-housing and not making a mess of your enginebay, but might aswell filter air when air is going into the cam housing. The cam-housing have to breath though. (I guess due to temperature and pressure changes)

cam-housing = engine head???

Anyway I'm not a car mechanic so might be wrong however I like to think I'm not :D
 
  a thirsty one
i though it was to vent the oil vapour/pressure into the throttle body for lubrication of some decription? i know people say they unplug them as its warm air but i didnt think it would make much difference at the amounts of air were talking about.

i vented mine for a few weeks but decided to plug it back in the end, renault bothered to build it like that so i decided to give them benefit of the doubt on that one. unlike the acoustic valve.
 
  RS RIP
i think when disconnecting this and putting a breather on there will save you the hassle of cleaning the throttlebody everyonce-inawhile

The oilvapour-s**t that comes out, goes back in the inlet to be burnt (also gucking up your TB). For environmentalreasons, nothing more. They do'nt want it venting into the atmosphere/dripping out onto the road...

get one ;)
 
  RS RIP
Breathers are used when you change the bend to the throttle body on clios. (usually there's a pipe going from the cam-cover to the bend)

The breather makes sure the oil-damp stays in the cam-housing and not making a mess of your enginebay, but might aswell filter air when air is going into the cam housing. The cam-housing have to breath though. (I guess due to temperature and pressure changes)

cam-housing = engine head???

Anyway I'm not a car mechanic so might be wrong however I like to think I'm not :D


Your manifold jobbie made a genuine mechanic out of you Felix ;)
 
i think when disconnecting this and putting a breather on there will save you the hassle of cleaning the throttlebody everyonce-inawhile

The oilvapour-s**t that comes out, goes back in the inlet to be burnt (also gucking up your TB). For environmentalreasons, nothing more. They do'nt want it venting into the atmosphere/dripping out onto the road...

get one ;)


But removing it and fitting a mini filter on the breather, will you not end up with a dirty/oily engine bay instead of the tb ? :S
 
  RS RIP
you can also mount an oilcatch. It's a little bottle-like thing. I know Saxo boys used to mount these. Can be bought at every blingbling tuningshop
 
lol I could go out and measure mine but its not difficult for you to pull it off and measure it is it!

about 7" if I recall correctly :)
 
  Megane 2 GT 165
lol at the 7" diameter :p

I think it is 8 or 10mm since in France they use the metric system :p

You can easily disconnect it from the 90 degree bend airbox --> throttle body, and measure it. If I don't forget I can measure it tomorrow when changing fluids.

Yeah Frank I am a "genuine" mechanic! LOL as long as I know what I am talking about it is all clear to me :)

Anyway the pipe is connected to the head, which needs to breath. The breather (mini filter) makes sure there won't be getting dirt in or out.

However I have seen some greased up mini filters. The Oil-damp will go through eventually, so it needs cleaning at some point.
 
  RS RIP
PICT1549a.gif




This is one with a catchtank
 
^excessive and not need in my opinion only a little vents out there anyway. It will just drop onto the exhaust and burn off.
 
  RS RIP
look again, breather is'nt connected to the one where oil comes out

** edit **
yeah , you might be right there.. but it seems you can get sick of the fumes coming out the bay when it burns off the exhaust.

I would'nt mount the oilcatch either, just let it vent yep
 
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