Im going to remove my vacuum canister my question is how do i go about removing this item. Can I reach it from the top or do i have to jack it up and go from the bottom and also is there a way i can just unplug it and not have to remove it. thanks

 

Mine has been gone for years.

I can't remember if you can even get to it from the top. If you jack it up it's not bad at all. It's just two 10mm bolts to drop the tank if you decide to - VERY easy.
You can just unplug it if you want but you will need to hook the line back up to the solenoid on top of the intake mani.
It goes, top of intake mani, down to the tank, from the tank to the solenoid. So you'll just hook from the top of the intake mani directly to the solenoid next to it.

 

Cause right now the one line that connects to the canister from the intake mani that spot is going to my bov heres a picture

 

Ohhhhhhh.... so you've already unhooked the lines from it anyway, correct?

 

The lines are still connected to the canister that come from the vacuum block to the left of the single vacuum port on the mani...But the actual vacuum source that is use for the canister is hooked up to my bov instead of the canister.. they are all disconnected from everything else since i have no use for them at all

 

Oh I see.

Ok then it's unhooked. That's all there is, is the two vac lines. So if you want, just go underneath and two 10mm bolts later and it's gone. It's very very easy.

 

ok cool so i shouldnt have any problems driving on it until i can actually remove the canister

 

Nope! Shouldn't have any issues unless one of the hoses physically contacted something else - fan, serpentine belt. I can't remember how long they are. Unless you've removed them.

Either way, no issues. Just a piece of plastic bolted up.

 

The lines are ziptied right by my dipstick so they cant move

 

k I tried this and when I remove the canister lines, my bpv doesn't open fast enough and causes surge under lite load let off. do I need the stock spring in the bpv for this to work right?

 

Bump. Wondering if possibly I have a vacuum tank leak that might be doing me trouble. What is the purpose of this? Would I have a boost leak if I somehow did have something messed up with my vacuum tank.

 

When mine was cracked it caused a lot of turbo flutter, and yes you will have a boost leak. It will show through you boost gauge

 

Thanks brotha, did you end up removing it? When you removed it, is it like a BPV that needs to have a block off plate or w/e. I'm not familiar with this part at all so forgive my ignorance.

 

I removed mine, welded a barb fitting into my lower cp, cause it had none, and connected bottom of the solenoid to manifold with a check valve so it only sees vacuum. Works great, bpv got new more aggressive sounds. But I like it, u can hear ur turbo spool down when u lightly let off and it opens the bpv

 

What is the point of the "vacuum tank"? And why remove it?

Is your BOV adjustable? Might not be sensitive enough. I just run both, a BOV and stock BPV, that way I don't have flutter issues.

 

vacuum tank is to get ride of turbine noise. gm is gay, everyone wants more turbine noise, and to open bpv quicker. remove it cause it is another plastic part that cracks causing issues. I removed mine when I started having my bpv opening at about 15 psi in higher gear lower rpm, also started doing it under hard acceleration. guess it was leaking vacuum opening my bpv, and im not gonna pay 120 buck when I can just remove it

 

does ur bov not have a allen screw u can make the spring softer or harder with?

 

Thanks. Sounds useless haha. So it just needs removed and the lines connected that went to it?

 

pretty much, and the line that went to the bottom (front ) of the solenoid goes to intake mani and the top stays where it is.

 

nope i ended up replacing it and the flutter was gone, its just a vacuum tank but is connected to the BPV so im guessing it doesnt work properly losing vacuum. i honestly don't know much about it. GM part # is 12626029

 

I don't see how removing the tank could make the turbo any louder ? It is just a few hoses that are being disconected. And I thought I had read on here that the tank hold vacuum to make nls possible and less turbo lag ? So it was always my understanding that removing the tank would cause a few negative effects ?

 

Yeah i don't remember that being the reason they used it. I thought it had to do with vacuum and boost between shifts. We are probably all wrong.

 

Lol... probably. But now i'm really curious. Can anyone answer weather or not removing the vac tank really makes the turbo any louder
? And what is the tank really for ?

 

Bump !! Someone must know what it's truely for and wheather or not it really helps or hurts the performance of the car.

 

Ask Terminator, I believe he did some logging on it. i know for sure someone did. And if I remember correctly it did in fact help the overall drivability, but is a good source of boost leak and probably can be removed without much thought.

I removed mine within the first 1k miles and have never noticed anything weird.