Lude Posted February 9, 2013 Share Posted February 9, 2013 (edited) i still havent sorted the boost leak i have on my car, has been in garage over the winter. the car has new gaskets now, on the parts i took off (intake manifold, throttle body, IAC ) im going to get the car out soon and resolve this once and for all lol, just want verification on doing the boost leak test. is it: remove the air filter, put a empty tin can where it used to be with a valve for the compressor to attach to, (air tight) leave the compressor ON, at around 15PSI, then spray with soapy water over the engine bay. will that actually build up pressure though? or will the just escape out the exhaust? what about the throttle, does that need to be manually left open? i tried to do this last year, but couldnt seem to find any noise or leaks, the boost gauge read to around 7PSI and that was it? for those who dont know or forgot, the car sounds like this, but boosts fine... Edited February 9, 2013 by Lude (see edit history) Quote Link to comment Share on other sites More sharing options...
mellonman Posted February 9, 2013 Share Posted February 9, 2013 Your best off giving your car to someone that knows what they are doing Quote Link to comment Share on other sites More sharing options...
Lude Posted February 9, 2013 Author Share Posted February 9, 2013 hmm been thinking that. did spend ages last year trying to solve it, just couldnt seem to get to the bottom of it. il try 1 or 2 things the next few weeks if not i think il give it to someone to sort... Quote Link to comment Share on other sites More sharing options...
listy Posted February 9, 2013 Share Posted February 9, 2013 Listening to the sound....are you sure it's a leak? And not a dodgy turbo? Quote Link to comment Share on other sites More sharing options...
ellis Posted February 9, 2013 Share Posted February 9, 2013 Do you know for a fact that you have a leak, if you say it actually boosts fine? Are you just going by the gauge? Have you considered that the gauge or the pipework to it could be at fault or have you been down that road already? Quote Link to comment Share on other sites More sharing options...
Lude Posted February 9, 2013 Author Share Posted February 9, 2013 not the turbo no. i thaught may have been, so i sent it off and had it refurbished (£500 waste of money lol) the car drives perfect and boosts, the noise has to be this surely, the sound is a whistle, which is air coming from somewhere, im not concerned about the boost gauge, its the sound that getting on my nerves.. Quote Link to comment Share on other sites More sharing options...
ellis Posted February 9, 2013 Share Posted February 9, 2013 Has it got an aftermarket BOV? Quote Link to comment Share on other sites More sharing options...
Lude Posted February 9, 2013 Author Share Posted February 9, 2013 Has it got an aftermarket BOV? Yes, but even when removing that still does it. Also removed the aftermarket boost controller to eliminate that too. Can someone verify the boost leak test process please? Quote Link to comment Share on other sites More sharing options...
listy Posted February 9, 2013 Share Posted February 9, 2013 Bearing in mind you've had this problem for almost a year? I think you should get someone to look at it. CW is in Shropshire. Or, give Craig (Dr J) a message, and get him to have a look. If you haven't worked it out by now, I don't think you will mate tbh. Quote Link to comment Share on other sites More sharing options...
Lude Posted February 9, 2013 Author Share Posted February 9, 2013 No you right. The car was like it last year, i just put it in my garage for the winter. I wouldnt say i spent a year on it lol il give it to someone to sort Quote Link to comment Share on other sites More sharing options...
listy Posted February 9, 2013 Share Posted February 9, 2013 Speak to Craig mate. Probably closest person to you Quote Link to comment Share on other sites More sharing options...
dude Posted February 9, 2013 Share Posted February 9, 2013 find someone who has the sort of tester that fills the system with smoke, it finds every leak. Quote Link to comment Share on other sites More sharing options...
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