cfd511 Posted 2 hours ago Share Posted 2 hours ago Im getting a load scream when driving highways speeds. only in 6th gears. sounds like a boost leak but its attached to the transmission. maybe torque converter. Quote Link to comment https://www.bigmacktrucks.com/topic/76597-2015-mack-dump-truck-mp8/ Share on other sites More sharing options...
fjh Posted 2 hours ago Share Posted 2 hours ago What trans? Quote Link to comment https://www.bigmacktrucks.com/topic/76597-2015-mack-dump-truck-mp8/#findComment-594993 Share on other sites More sharing options...
Joey Mack Posted 2 hours ago Share Posted 2 hours ago M-Drive is my guess.. Unless he has an Allison. Quote Link to comment https://www.bigmacktrucks.com/topic/76597-2015-mack-dump-truck-mp8/#findComment-594994 Share on other sites More sharing options...
fjh Posted 2 hours ago Share Posted 2 hours ago 2 minutes ago, Joey Mack said: M-Drive is my guess.. Joey the point is guess!🤔info is good! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76597-2015-mack-dump-truck-mp8/#findComment-594996 Share on other sites More sharing options...
Joey Mack Posted 2 hours ago Share Posted 2 hours ago Yep. Im thinking that for me,,, when a topic comes up with a 2007 and newer MackVo.. i just need to go away... I hate these trucks.. as much as I hate the B.S. that the hard working owners have to deal with.. These trucks SUCK.... Quote Link to comment https://www.bigmacktrucks.com/topic/76597-2015-mack-dump-truck-mp8/#findComment-594997 Share on other sites More sharing options...
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