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Re: Whistle under boost=probably leak. Posted by John Williams [Email] (#1982) [Profile/Gallery] (more from John Williams) on Wed, 7 Feb 2007 12:12:10 In Reply to: Re: Whistle under boost=probably leak., lms, Wed, 7 Feb 2007 11:57:45 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The one check valve I think of is the one straight out of the valve cover to throttle body. Check that one for sure.
Check as many of your hose clamps as you can and just keep checking every vacuum and boost line that you can and all your ic hoses and clamps and throttle body connections.
I had a brand new viggen ic elbow from turbo to ic hose to ic and it was 2 weeks old, my car was flying and then boost not so good, I checked it all out and found my brand new rubber elbow from turbo to ic hose was split and leaking air, had to replace it with yet another new viggen ic elbow hose! The turbo to ic hose had split!!! John
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