Where do these pipes go on my 172 engine?

[c7borg]

Hi.. I'm back with a few questions about piping up my engine.. any help appreciated

 

[mark123]

1 I don't have that!
2 Brake servo I think.
3 Feeds into the air intake after the filter

 

[partyboy23]

as mark says never seen no.1 b4

 

[Gray]

Number 1 and Number 3 link together.... Oil breather pipe

Number 2 Brake servo/vacuum

 

[Dangerous_dave]

nr1 never seen before, even just went and check my engine an i dont have that. might be a ph1 engine? (as mine is ph2 without) OR you have got the wrong throttle body on it?

Nr2 as people above

for nr 3 It feeds into the plastic bend that connects the airbox to the throttle body. Wack a samco elbow on without the oil brether pipe for joinging the airfilter to the throttle body and just wack an oil breather filter on nr 3 hole which will keep oil out of your intake.

 

[Gray]

Ph-1 172 engine... So will be a slightly different set-up to all other 1*2's iirc

 

[c7borg]

thanks.. it's normally on the bottom of the throttle body.. (on a phase 1) probably not normally in view..
With no.2 if that's the brake servo what is this one for (which I've plumbed to the brake servo.. have I done this by mistake ?

 

[Dangerous_dave]

thanks.. it's normally on the bottom of the throttle body.. (on a phase 1) probably not normally in view..
With no.2 if that's the brake servo what is this one for (which I've plumbed to the brake servo.. have I done this by mistake ?

Not 100% sure on this one, if it helps it runs down towards under the rear of the headlight in my cup...

 

[Fred@BTM]

goes to carbon cannister

 

[Gray]

Carbon cannister as Fred just said, That can be remove and blanked off!

 

[c7borg]

ahh I better re-plumb it then

thanks for that!