IRIS Check Valve replaced
I had recently placed the order for all new vaccum hoses and check valve for the check valve that goes to our holding tank for the IRIS system. I cannot tell you how much of an improvement in the upper rpms. Also the low end power is all there when I am at WOT. If anyone else is experiencing a kind of a loss of power down low and high up I suggest this as a solution. I am ripping up the streets with the mt now. WOWOWOWOWOWOW It is fricking awsome.
Tom(sorry got a little carried away) |
Good news :cool:
So, did this involve removal of the intake, or ??? |
no removal of anything. Since I am a relatively large guy with big hands(I don't want any comments on that) It was a PITA. Someone who has smaller hands will be able to do it with ease. JUst a hose that you can see between the alt and PS pump. Runs down from a nipple on the intake that hooks tward the front of the car and loops to the back into a check valve then continuing to the holding container. Hoses are relatively expensive along with the check valve but it is well worth it for me. ill leave a thread for the diagram on Subaruparts.com
Vaccum hose diagram It is the second diagram with part #'s H503112-hose H50336 -hose 16195 -Check valve Hope this helps anyone looking to do the same. Tom |
Tom
How on earth did you figure out that you needed to do this? (someone who suffers from loss of power down low) matt |
cuz I'm good like that...;)
Seriously though, I had heard a bunch of info about how the IRIS sytems works and what it does for power and air distribution. Taking this to heart I realized that the reason I was loosing power when I got on it rather than gaining had of been the check valve. This is what allows the IRIS system to work at a heavy throttle position. Since there is almost no vaccum at WOT this container holds it for when it is needed. I looked at the chack valve before when I resealed the motor and realized it was cracked and prob leaking. With this in mind I looked up the info and everything matched up. So i bought the hoses and valve and now my car runs great. Might not be what you are dealing wit but worth while to give it a try. Search IRIS and you will turn up some good info. Tom |
Hi Tom, Nice write-up!
I can "cause air to pass through" the valve in only one direction (I don't want any comments on that) so I believe my valve is fine, but those hoses do become brittle over time. I put some pictures in my locker, hope that helps. http://www.subaru-svx.net/photos/use...svxfiles|24710 |
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:eek: :eek: :eek: :eek: :eek: :eek: YOU STOLE MY THUNDER!!!!!!!!!!!!!!!!! hehehehehe:D nice pics I wish I had a camera to take them when I did it.when i get home this weekend I will split my old valve apart so people can see whats going on inside and understand it better. Tom |
LMAO!
I wish I had a digital camera too, this ones Di's. :eek:
Don't tell Di. |
Thanks guys, I better have a look.
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What??
Did you blow on it or suck on it to test it?? :rolleyes: Oh, did not see was not supposed to comment on this.
:D Lee |
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