Danny Thomason Posted January 12, 2018 Share Posted January 12, 2018 I have a 2008 Mack CH613 with the MP8 motor. There is a very loud squeal coming from the turbo area while idling. It goes away for a few seconds after building rpm’s, but will come back. It’s not a whine, but it sounds like a dry bearing. The turbo is tight with no impeller play. Any body else have this problem? Quote Link to comment https://www.bigmacktrucks.com/topic/52198-mp8-turbo/ Share on other sites More sharing options...
fjh Posted January 12, 2018 Share Posted January 12, 2018 (edited) Exhaust or egr gasket leak in my oppinon also chec the hose on front of egr cooler clamps break Edited January 12, 2018 by fjh Quote Link to comment https://www.bigmacktrucks.com/topic/52198-mp8-turbo/#findComment-389537 Share on other sites More sharing options...
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