External wastegate vacuum line question
 

Hey everybody. Ive been lurking on here for awhile now as I collected parts I needed to get my kit. I have everything physically installed but I have a problem that Im not seeing any boost and my BOV is not discharging. I checked all my intercooler charge pipes and they are all secure so I think I may have my external wastegate hooked up wrong.

My wastegate has a port right on top of the dome for a vacuum source and a port towards the bottom of the dome. I have the bottom one T'ed off into my fpr vacuum line and the top one plugged. Maybe I need to hook that into the same line? I also have a manual boost controller that I need to install as well. Can anyone give me any insight into this or perhaps provide info, a diagram, or a link to one showing me how this wastegate+boost controller should be hooked up? I checked out the FAQ but couldn't find what I was looking for there unless I grazed right over it. Thanks!

BTW this is for a t3/t4 setup.

Re: External wastegate vacuum line question
 

top one should just be left open, not plugged, but im not sure if that will solve your issue.

Re: External wastegate vacuum line question
 

What wastegate is it you have? Sounds like a Deltagate (Turbonetics). BTW, I love titties too ;)

Re: External wastegate vacuum line question
 

I tried leaving the top port on the wastegate open and I get the same thing. When the wastegate is off, should I be able to physically press in the valve? I tried but I can't press it in at all. I dont think that's related, just curious.

Im also not sure what brand it is. I got it from a friend of mine and there is no name stamp on it so I can't tell.

...and yes titties are always welcome 'round here!

Re: External wastegate vacuum line question
 

you should be able to push on it to open it, but it takes alot of force, especially if you have a heavy spring in there.

im sure its not stuck, if it were, you'd get lots o boost.

Re: External wastegate vacuum line question
 

Yea I figured it wasnt related. I can hear the turbo spooling and all the silicon hoses are tighter than a 6 year old girl :-X

Re: External wastegate vacuum line question
 

have you checked all your piping and couplers to make sure you dont have any boost leaks, sounds like you popped a charge pipe off or didnt tighten a coupler...

usually turbos are very audible if a pipe is popped off.

Re: External wastegate vacuum line question
 

I just got done checking all the couplers and they are all super tight. I am positive I have the wastegate hooked up wrong. The side of the wastegate is being sent up to the intake maifold and is T'ed off where the fpr vac line is and the top port is open with nothing in it, open into the atmosphere which I bet is wrong. Should both ports be T'ed off into the same vacuum source with the manual boost controller inline? This is the last thing I need to get my car up and on the road so if someone could give me some sort of diagram on where the vac lines on the wastegate need to go I would be very appreciative. I cant find ---- on google or yahoo.

Re: External wastegate vacuum line question
 

Just found a website with a picture of exactly what I was looking for:
http://www.beesandgoats.com/boostfaq...html#Wastegate

Re: External wastegate vacuum line question
 

LEave the top one open and connect the side port to anywhere @ the intake manfiold.

but think about it even if you hooked it up wrong, what could happend is that the WG does not open (not being able to regulat boost)but you should still see boost, other then if the WG is leaking
Did u BOLT UP the WG correctly?, did you install the fire ring in between the WG and manifold?
Can you feel exhaust coming out of the WG dump?
Did you remove the line that goes between the valve cover and intake tube?
Is you PCV leaking?
Did you check for vaccume leak AFTER the charge pipe? (vaccume leak at da motor)

Re: External wastegate vacuum line question
 

Fire ring? I don't think so. Would it happen to be a small metal ring about the same size as the WG enty passage from the manifold? Looking thru my stuff I see it there. What does that do?

Re: External wastegate vacuum line question
 

that should be the one. look at this pic, it is the ring below the two gasket
https://i15.ebayimg.com/02/i/04/40/a7/7b_1_b.JPG

it seals the WG valve to the manifold so it doesn't leak and CREAT BOOST :-*
Without it the exhaust pressure leak pass the valve cause the turbo not spinning fast enough to build pressure.

I accept Paypal as a "thank you-ing" fees ^-^

Re: External wastegate vacuum line question
 

Yep that looks just like my wastegate and I got the ring sitting in the box just chilling wondering why I didnt use it :-\

How about a mental high-five for payment. All my funds are sitting in the car not building boost :(

Re: External wastegate vacuum line question
 

good ------- work donald. you are the trouble shooting buddha, so wise.

Re: External wastegate vacuum line question
 

hmm, I dont have that ring in mine at all and i have the same wastegate and i have never had a problem with it not making boost? It actually makes more boost then it is suppose too lol.