Crouch Posted February 18, 2012 Share Posted February 18, 2012 I have a quick question for those in the know about a potential problem with my car. How does the greddy boost solenoid work does it control the boost by opening and closing really fast or like the old school Bren/bleed valve just restrict the signal to the wastegate? The problem: When i give it some large (low/high boost no change) sometimes when i back off there's a noise like ABS pump grinding but a little slower but as the solenoids bolted to the inner wing it sounds like some one with a hammer action drill on the wing!..it's really loud! it stop's when say i switch from high boost to low on the toggle switch, back to high and the noise starts again!..rev the engine and it'll stop altogether untill i get on it again and it'll start again. This doesn't happen every time but maybe 75% of the time. Is this normal because i'm really getting frustrated by the "nice car but what the hell is that noise?" comments. Any help/advice welcome Gary Crouch Quote Link to comment Share on other sites More sharing options...
Crouch Posted February 19, 2012 Author Share Posted February 19, 2012 If nobody knows then I've got to find someone who can look at my car in Germany who knows Supra's and i have no idea where i'd find one of those! Quote Link to comment Share on other sites More sharing options...
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