ralph Posted November 18, 2015 Share Posted November 18, 2015 Hi Noticed a faint whistle last few weeks on the acceleration over-run (when you lift throttle to change 1st-2nd and 2nd-3rd)... Noticed large hole in exhaust pipe near back box. Had a new back box set ion of exhaust fitted but the noise is still there! Any suggestions? It's a 2010 1.8 tdci mondeo with 63000 miles. Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
ralph Posted November 18, 2015 Author Share Posted November 18, 2015 ...also it doesn't do it when stood idling and you Rev the engine .... Only when changing gears and moving! Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
BOF Posted November 19, 2015 Share Posted November 19, 2015 I'd suspect a small (and difficult to detect) leak from the turbo to the intercooler, or intercooler to the manifold. Quote Link to comment Share on other sites More sharing options...
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