DIY: Ultimate SAI/N249/PCV/EVAP Delete

[thygreyt]

quick question:

do you guys know the 2nd pcv port.. the one on the block... technically: "block breather".
its right by the dipstick.

anyways, the hard hose broke.

Ideally, i want to run that to a catch can, along with the top pcv port (on the valve cover).

how do i connnect a hose to such a LARGE hole opening?

[groggory]

You get a block breather adapter that adapts it to -10AN , then you go from there

[thygreyt]

You get a block breather adapter that adapts it to -10AN , then you go from there

sorry for the noobness... as you can tell, i'm not a mk4 nor a 1.8T guy...

anyways, where can i find such thing?

all i have found is this:

http://www.ecstuning.com/Volkswagen-...her/ES2515512/

http://www.ecstuning.com/Volkswagen-...eather/ES7934/

http://www.ecstuning.com/Volkswagen-...ther/ES523283/

http://www.ecstuning.com/Volkswagen-...her/ES2575555/

and i can tell is that they are all the same, arent they?

if so, i'll just buy the cheapest and run a hose from there... right?

edit: i just found what you were talking about.

[groggory]

Ie billet adapter

Few pieces off jegs

[testdriver]

I mean if you dont have the cels coded out or readiness forced in the flash then you need to clear the code and go right to test without cold starting. If you have the solution done in software there is nothing to worry about.

i see , thank you for explaining. i wonder what the guy at the test center would think when i show up with my laptop.
so if i get readiness and the errors "fixed" in the software, i don't even have to warm the car up before i get it e-tested?

[need_a_VR6]

i see , thank you for explaining. i wonder what the guy at the test center would think when i show up with my laptop.
so if i get readiness and the errors "fixed" in the software, i don't even have to warm the car up before i get it e-tested?

You need to have the car warmed up to make sure the other monitors are all set. You might still have one unset readiness monitor for SAI, but it's a pass for emissions everywhere that I am aware of. Older cars can have up to 2 unset.

[thygreyt]

so, thanks for all the help!
we got the car running perfect.

i have a question for the "experts"...

can the 1.8T vent the PCV directly to atmosphere? or will there be issues by doing so?

i was advised to run a sealed/vacuumed catchan, but i really dont want to...

how are you guys doing your PCV set ups?

[dkell426]

what size vacuum hose would be needed if i was just going to bypass the N249 and reroute the other lines? i heard 3mm but that seems to small.

[groggory]

what size vacuum hose would be needed if i was just going to bypass the N249 and reroute the other lines? i heard 3mm but that seems to small.

3mm fits on the dv

5mm fits on the n249 line

[BoostedGLS0218]

so, thanks for all the help!
we got the car running perfect.

i have a question for the "experts"...

can the 1.8T vent the PCV directly to atmosphere? or will there be issues by doing so?

i was advised to run a sealed/vacuumed catchan, but i really dont want to...

how are you guys doing your PCV set ups?

If your talking about just running a hose off the tee at the block breather to the ground; then that wouldn't cause any problems that I'm aware of. I know plenty of guys (in other cars other than a 1.8t) that do this with no harm.

Was actually planning on doing this myself as I don't need to pass a visual emissions inspection and fux spending money on a catch can that'll probably still get oil in my intake tract.

[VWstung]

A single line running from the crankcase to the oil cooler then the ground is where its at.
Vent to atmosphere catch cans are stupid cause you just end up having a post MAF vacuum leak.
So either straight to the ground like a boss or fit a closed vacuum catch can.

[thygreyt]

If your talking about just running a hose off the tee at the block breather to the ground; then that wouldn't cause any problems that I'm aware of. I know plenty of guys (in other cars other than a 1.8t) that do this with no harm.

Was actually planning on doing this myself as I don't need to pass a visual emissions inspection and fux spending money on a catch can that'll probably still get oil in my intake tract.

this 1.8t is a friend's mk4.

on my 2.5L mkv and on other 2.0t mkvs and mk6s, i know plenty of people running a hose to the ground.
i have had the set up for ~30 k miles with no issues.

so i guess i'll do it like that on the 1.8t and see what happens.

[need_a_VR6]

A single line running from the crankcase to the oil cooler then the ground is where its at.
Vent to atmosphere catch cans are stupid cause you just end up having a post MAF vacuum leak.
So either straight to the ground like a boss or fit a closed vacuum catch can.

A vta can and a hose to the ground are effectively the same. Works great other then the smell.

[HavokRuels]

I mean if you dont have the cels coded out or readiness forced in the flash then you need to clear the code and go right to test without cold starting. If you have the solution done in software there is nothing to worry about.

In RI you can't clear the codes and go right to inspection. Your IM readiness monitors will read as incomplete and the state computer will fail you. EVAP is usually last to clear so the only way around it here is to clear the CEL's and drive the car until you have only one incomplete and hopefully the EVAP is the incomplete.



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[HavokRuels]

A single line running from the crankcase to the oil cooler then the ground is where its at.
Vent to atmosphere catch cans are stupid cause you just end up having a post MAF vacuum leak.
So either straight to the ground like a boss or fit a closed vacuum catch can.

WTF? Explain how you have vacuum in a PCV system without the assistance of a manifold vacuum source?


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[VWstung]

You don't, the air has no extra assistance leaving nor any check valves keeping it in.
Iv done it on plenty of cars.

[toby lawrence]

In RI you can't clear the codes and go right to inspection. Your IM readiness monitors will read as incomplete and the state computer will fail you. EVAP is usually last to clear so the only way around it here is to clear the CEL's and drive the car until you have only one incomplete and hopefully the EVAP is the incomplete.

Do you have anything coded out at all? I'm getting my car re-inspected in RI soon with forced readiness on nearly all the emissions monitors... curious to see how it turns out.

[BSD]

Last time I checked vacuum is a necessity for a proper catch can setup, since the crankcase needs vacuum.

[LenSmith'sMotors]

x6 goes to nstevic01 I received the resistors Monday morning, thank you for the quick and excellent service. To all on here, I recommend nstevic01 and his website: http://www.diydeleteparts.com/ as a very reliable source for parts needed to complete this DIY!!

[davojuri]

Hi

please some technical help.
I am away from home-holliday, but need to purchase parts to get them when I am back to copy your mod.
I need OD of that nipple on intake-driver side that connect to the -brake mod hose?
OD of that caped nipple on TB.
I was thinking that brake hose should be arround 13mm, and that from TB 6-8mm,
also that FPR one is 3 or 4mm??
Please help with that.
BTW great post!!!!

[need_a_VR6]

Last time I checked vacuum is a necessity for a proper catch can setup, since the crankcase needs vacuum.

Unless your breather hose connects after the throttle body, it doesn't see vacuum.

[groggory]

Unless your breather hose connects after the throttle body, it doesn't see vacuum.

The stock pcv system creates a vacuum

Aftermarket systems just do their best not to resist flow

[need_a_VR6]

The vacuum is very, very low on an intake mounted pcv. The only vacuum is from the speed of the air moving past the tube inlet.

The newer vr6s use a manifold monted pcv that generates considerable vacuum by comparison.

[VWstung]

The gases don't really have a problem leaving the crankcase with vent to atmosphere set ups.
It also has a to do with the fact car manufactures having to recurrculate fumes. It's the same thing as EGR and Evap.
Something like a VTA would never pass a new car inspection.

[HavokRuels]

The gases don't really have a problem leaving the crankcase with vent to atmosphere set ups. .

Right on the money. Air inside the engine is stagnant until your internals start moving, so whether you have a Pcv system or not, the amount of turbulence caused by your moving parts, is enough to cause outward pressure which in turn releases the vapor cause by air/oil mixture.

It doesn't get any easier than this peeps. I don't care how much you read on the Internet, your crank and valve train breath irregardless of Pcv (which is designed solely to avoid releasing this toxic mix into the environment) or open element, the difference is you will have much cleaner manifold and piston heads with open element. Who wants that **** in their car!

for everyone


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[VWstung]

Yerrpppp^

Don't want that discharged oil and air back into my intake.

[VWstung]

So what is the proper size hose to buy for the crankcase and oil cooler??
He lists his kit comes with 3/4 hose but has pictured 5/8th.
?

[HavokRuels]

So what is the proper size hose to buy for the crankcase and oil cooler??
He lists his kit comes with 3/4 hose but has pictured 5/8th.
?

I used 5/8"


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[nstevic01]

The new kits come with 3/4", when I did the DIY, I used 5/8". It is really personal preference and what works with what you are using.

[Sour Diesal GTI]

hey i just got my deletes done, but my SAI plug isnt like any of the resistors i got...

its not a oval type or a square type plug...... from what ive read just tape the plug up & im good to go....

is this tru ????

i have 2 oval connectors left & used both my square ones....

edit : running Uni 2 & AWP !!!!!

[testdriver]

@Sour Diesal GTI
are you talking about nstevic01's kit or the resistors you can order from intengineering.com? if it's about the last one and it's the same plug as on my TT then yes, it almost looks like the round plug you can buy from intengineering.com would fit, but it doesn't. and no, just taping it up won't do the job, you have to install a resistor (10W and 300ohm) that will be there in place of the pump. they sell it for $5, a well sorted eletric surplus store will most likely have it for around a buck (so i bought five ).

[VWstung]

My integrated engineering resistor almost didn't fit on my SAI connector, had to fit it and force it on.

Also had to use 3/4th heater hose for my crankcase, 5/8th wasn't even close

[nstevic01]

I also sell the raw resistors without the kit. They run $8 shipped anywhere in the US for a set of 4.

[Sour Diesal GTI]

@Sour Diesal GTI
are you talking about nstevic01's kit or the resistors you can order from intengineering.com? if it's about the last one and it's the same plug as on my TT then yes, it almost looks like the round plug you can buy from intengineering.com would fit, but it doesn't. and no, just taping it up won't do the job, you have to install a resistor (10W and 300ohm) that will be there in place of the pump. they sell it for $5, a well sorted eletric surplus store will most likely have it for around a buck (so i bought five ).

yea the resistors that IE sells now... i got them from the maker tho..... forgot to say im switching from Uni 2 over to eurodyne & everybody local is saying with the switch i dont need resistors on anything...... got my first CEL today... scanned it with my scan tool. no new codes just one thats always been there & the flow code for SAI .......

[thygreyt]

where are you guys buying the resistors from?