HKS SSQBOV-question
#1
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HKS SSQBOV-question
I have developed what I think is compressor surge. The best way to describe it is a loud flutter or air is rushing back through the air filter. It happens during any kind of throttle lift. I searched through the site to see if anyone else has had this problem with their HKS and how they solved it. I found the graphite lube solution, and that didn't work. Has anyone ever taken one apart, cleaned, and reassembled with success? Any ideas?
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I think it is a diaphram, not 100% sure though. I have the older model and it doesn't have a set screw at the top either. I may just have to do some exploratory surgery, and see if it is gunked up. I don't want to open it up if isn't supposed to be. Back in June I had an Exxon Valdez oil flood from a blocked breather line. I cleaned out the FMIC and the charge pipes as good as I could. The BOV was working fine, and has been until recently. I think there is some crud in there that may be causing it to stick.
#4
The HKS SSQV is easy to dismantle and equally easy enough to clean. I had the older type HKS as well without the set screw, but never had any issues with it during 4 years of usage. I now have a knockoff one that I have dismantled to check it out and it was pretty straightforward.
I couldn't imagine what you could have inside of it that would keep it from releasing though. I assume the vacuum line going to the BOV isn't cracked, ripped, or off?
Vash-
I couldn't imagine what you could have inside of it that would keep it from releasing though. I assume the vacuum line going to the BOV isn't cracked, ripped, or off?
Vash-
#5
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From what I have heard the SSQV valve makes a fluttering sound normally. Check out the numerous videos on youtube and see if it is the same sound you are hearing. It sounds like compressor surge, but a little different.
DVCN (mt.n poster) runs a SSQV, you might ask him. I drove his car once but cannot remember what the flutter was like.
DVCN (mt.n poster) runs a SSQV, you might ask him. I drove his car once but cannot remember what the flutter was like.
#6
I don't have this one on youtube so I have to link it.....
MySpaceTV Videos: Before winter by Joe
That's how my HKS always blew off. When I had it unhooked I would get the flutter (compressor surge). But by no means does the HKS itself flutter.
Vash-
MySpaceTV Videos: Before winter by Joe
That's how my HKS always blew off. When I had it unhooked I would get the flutter (compressor surge). But by no means does the HKS itself flutter.
Vash-
#7
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Vash-That is how mine used to blow off, more like a high pitched chirp.
I removed the BOV from the flange and the unit moves freely enough. There wasn't any oil residue or build up of any kind. I didn't have the right size socket or wrench to remove the top of the BOV, so I used some more graphite lube on the moving parts and injected some lube into the sensor port. I took it for a drive and I was able to hear some faint chirping, but still it was over-powered by the sound of the air coming back through the air filter. I am going to change the feed for the senor line and see if that makes a difference. If that doesn't work I will replace the line. Thanks for the input guys, I feel I am getting closer to getting it worked out.
I removed the BOV from the flange and the unit moves freely enough. There wasn't any oil residue or build up of any kind. I didn't have the right size socket or wrench to remove the top of the BOV, so I used some more graphite lube on the moving parts and injected some lube into the sensor port. I took it for a drive and I was able to hear some faint chirping, but still it was over-powered by the sound of the air coming back through the air filter. I am going to change the feed for the senor line and see if that makes a difference. If that doesn't work I will replace the line. Thanks for the input guys, I feel I am getting closer to getting it worked out.
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