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Help! Should something connect to this?

C2951
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C2951 Member

C2951

Posted
Posted

The fitting in the attached photo is on the upper rear side of the 4-6 head. Is this a vent, or should it be attached to something? It's been over two years since I had the engine out, and this seems to be the only thing I didn't document when I took the engine out and I really really want to get it started up this weekend.

Thanks in advance for any help!

post-18633-0-47569800-1303584619_thumb.j

violaGT3 Member

violaGT3

Posted
Posted

The fitting in the attached photo is on the upper rear side of the 4-6 head. Is this a vent, or should it be attached to something? It's been over two years since I had the engine out, and this seems to be the only thing I didn't document when I took the engine out and I really really want to get it started up this weekend.

Thanks in advance for any help!

Hi, this is of course a ignorant of specifics response, but there is no lip on the peice in question so I would say,

no there would not be anything attaching to it. I have dealt with alot of cars and it a hose attaches to something

there is always a lip. It appears to be a 1 way breather, but I do not really know where it is on the motor so cannot

advise to it's purpose.

C2951 Member

C2951

Posted
  • Author
Posted

Thanks for the reply. There is no lip, and I did find a pic I took during the disassembly showing that nipple covered with grime, so it looks like it is indeed a breather.

Just started the engine up for the first time after the rebuild!

logray Member

logray

Posted
Posted

Looks like something perhaps related to the SAI?

I see a cam cap, judging by the pic it's in the left rear portion of the engine.

Just curious what you did on your rebuild? Was it DIY? Nice work either way.

C2951 Member

C2951

Posted
  • Author
Posted

Looks like something perhaps related to the SAI?

I see a cam cap, judging by the pic it's in the left rear portion of the engine.

Just curious what you did on your rebuild? Was it DIY? Nice work either way.

Yeah, it was a DIY. Cracked head near one of the #1 cylinder exhaust guides. Used head, new bearings, rings, chains & guides, etc. Be interesting to see how long it lasts!

C2951 Member

C2951

Posted
  • Author
Posted

Doug -

I think that is where a hoe form the AOS connects.

The AOS connects to one side of that fitting, pretty sure the other side is open.

Doohan Member

Doohan

Posted
Posted

I'm fighting with that piece too, it's correct that's a part of the air oil separator, I’m changing the two O-rings cause it leaks oil!

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