SilverSoop Posted October 6, 2008 Share Posted October 6, 2008 Hi all, now i have a really weird noise coming from my engine bay. It's really hard to describe but when you hear the spool from the BOV, you then can another noise like a whistling/howling noise and when you let off of the throttle, it makes a 'squeak' like noise... It was doing it all the time but a bit louder until it went back to AFR as it started just after getting my supe serviced. I asked Matt what it could be but they couldn't locate thae noise as it mysteriously dissapeared and now, it has returned and im very concerned as to what it is... Does anyone have any thoughts or ideas as to what it could be??? Quote Link to comment Share on other sites More sharing options...
miko_supra Posted October 6, 2008 Share Posted October 6, 2008 intercooler pipes all on ok? Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 6, 2008 Author Share Posted October 6, 2008 intercooler pipes all on ok? I believe so, i mean it went back up to AFR due to the noise and as soon as they got their hands back on the car it dissapeared again and now, it has come back! I have still got boost i don't think it is that... Boost leak maybe??? Quote Link to comment Share on other sites More sharing options...
miko_supra Posted October 6, 2008 Share Posted October 6, 2008 Its not a gearbox noise is it? any chance you could upload a sound file Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 6, 2008 Author Share Posted October 6, 2008 Its not a gearbox noise is it? any chance you could upload a sound file No it's not a gearbox noise, it's definetely coming from the engine when it's under load and happens when spooling up to the 1st tubby... Sorry to sound stupid, how do i do that as it has got to be when i am driving because otherwise, it won't do it... Quote Link to comment Share on other sites More sharing options...
Dazzi Posted October 6, 2008 Share Posted October 6, 2008 Is it your bov? Quote Link to comment Share on other sites More sharing options...
miko_supra Posted October 6, 2008 Share Posted October 6, 2008 might just be a boost leak then check your bov hoses for splits and check all vacuum lines etc... Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 6, 2008 Author Share Posted October 6, 2008 Is it your bov? Hmm, what would that sound like if my BOV is on it's way out?? Quote Link to comment Share on other sites More sharing options...
mr lover Posted October 6, 2008 Share Posted October 6, 2008 swap the bov for another or stock one and see if it still happens Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 6, 2008 Author Share Posted October 6, 2008 might just be a boost leak then check your bov hoses for splits and check all vacuum lines etc... Ok will do but the strange thing is, it wasn't hapening before it went into the garage and now it is, why?? The vac lines look ok, i can't see anything to suggest that there is a leak BUT on my BOV there is a bit of oil... Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 6, 2008 Author Share Posted October 6, 2008 swap the bov for another or stock one and see if it still happens I have got an HKS SSQV BOV which is getting installed on Thursday so I suppose that will be the moment of truth... Quote Link to comment Share on other sites More sharing options...
VIL Posted October 6, 2008 Share Posted October 6, 2008 Might be of some help? http://www.mkivsupra.net/vbb/showthread.php?t=47994 Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 6, 2008 Author Share Posted October 6, 2008 Might be of some help? http://www.mkivsupra.net/vbb/showthread.php?t=47994 Hmm thanks Vil but I just don't know what the hell it is! As i said before, it only started happening after the service she had. When it is spooling, you hear another noise which kind of whistles (not as bad as before as it went back to AFR) and then when you left off the throttle, it 'squeaks'. It happens at 0.5/0.6 bar and at 2500 rpm... Quote Link to comment Share on other sites More sharing options...
Ewen Posted October 6, 2008 Share Posted October 6, 2008 Is the Sonic fitted yet Shane ? That makes all manner of wierd noises. Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 6, 2008 Author Share Posted October 6, 2008 (edited) Is the Sonic fitted yet Shane ? That makes all manner of wierd noises. Not that Ewen, it is fitted but she was making that noise before, it has just decided to come back AGAIN!!... Edited October 6, 2008 by SilverSoop (see edit history) Quote Link to comment Share on other sites More sharing options...
Guest WDFL12 Posted October 7, 2008 Share Posted October 7, 2008 Hi mate go and see the guys at spc Horsham they really no the sup.s well or give them a call hope this helps . Quote Link to comment Share on other sites More sharing options...
Muffleman Posted October 7, 2008 Share Posted October 7, 2008 Get that BOV changed mate, preferably for a stock one Quote Link to comment Share on other sites More sharing options...
heckler Posted October 7, 2008 Share Posted October 7, 2008 shane, you have the same BOV as me, if its wound out to soft, it will squeek. mine does, and it will do it for some time after you take your foor off. I did it for a laugh. try increasing the spring tention on the BOV Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 7, 2008 Author Share Posted October 7, 2008 (edited) Get that BOV changed mate, preferably for a stock one Im going with an HKS ssqv BOV, so we'll see if that is it... shane, you have the same BOV as me, if its wound out to soft, it will squeek. mine does, and it will do it for some time after you take your foor off. I did it for a laugh. try increasing the spring tention on the BOV Spring tension?? Where is that on the bov?? The thing is, it wasn't doing it before so why now?? Or do you mean try it with another setting?? The thing is, i'm not so sure that it is the bov because, when the 1st tubby is spooling, you can hear the bov doing the same and then a different noise occurs... like a whistling and then after you let your foot off, it 'squeaks'... Does this sound like the bov to you or something else?? Edited October 7, 2008 by SilverSoop (see edit history) Quote Link to comment Share on other sites More sharing options...
heckler Posted October 7, 2008 Share Posted October 7, 2008 its on the top of the BOV, a nut and allen key. mine squeeks, but thats because its set soft. Just incease the tension by screwing it in. may make a difference Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 7, 2008 Author Share Posted October 7, 2008 Hi mate go and see the guys at spc Horsham they really no the sup.s well or give them a call hope this helps . They are a bit too far out mate so instead I am going to Toyota GT in Hook, about 5 miles away from me... Thanks anyway... Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 7, 2008 Author Share Posted October 7, 2008 its on the top of the BOV, a nut and allen key. mine squeeks, but thats because its set soft. Just incease the tension by screwing it in. may make a difference Ok cheers Si, how far to I turn it though?? When yours is set to 'soft' do you get an odd noise like a whistling noise when it is on spool up?? Quote Link to comment Share on other sites More sharing options...
heckler Posted October 7, 2008 Share Posted October 7, 2008 Ok cheers Si, how far to I turn it though?? When your's is set to 'soft' do you get an odd noise when it is on spool up?? screw it in all the way, well as far as you think it will go in. can't really hear my bov when the turbo spools, that alone makes too much noise Quote Link to comment Share on other sites More sharing options...
SilverSoop Posted October 7, 2008 Author Share Posted October 7, 2008 screw it in all the way, well as far as you think it will go in. can't really hear my bov when the turbo spools, that alone makes too much noise So, do you think I should set from the 'soft' setting to the 'hard' setting then Si?? Quote Link to comment Share on other sites More sharing options...
heckler Posted October 7, 2008 Share Posted October 7, 2008 So, do you think I should set from the 'soft' setting to the 'hard' setting then Si?? yup, on soft mine squeeks... quite funny Quote Link to comment Share on other sites More sharing options...
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