mq1hunter Posted June 23, 2021 Share Posted June 23, 2021 Hello, I am not really getting a solid answer to a oil change issue with our dump trucks. We have 8 ranging 2014 to 2020 with MP8 engine. Oil change would seem simple enough, 3 filters and a plug. Been adding 10 gallons back in yeah they seemed a little over full but close enough. Till they sat over night and dang what did all the filters drain back into the pan. Way over full, tired of listening to the drivers complain. I started asking our Mack dealer. Something about a mystery place that holds a gallon of oil??? Also Asked if 10 gallons was ok or go with 9 gallons....? Not getting a good answer I am now here, to pick your brains. Because I did just 2 oil changes and only added 9 gallons of oil. Dang if after I parked them for a bit if not over full!!! Do you all have a solutions or why's or what I maybe doing wrong. Much appreciated. Quote Link to comment https://www.bigmacktrucks.com/topic/67105-oil-change/ Share on other sites More sharing options...
mrgumby Posted June 23, 2021 Share Posted June 23, 2021 Have the oil sampled maybe fuel adding to the oil Does the oil go up every day or just the once after you change it Hey maybe you have a cash cow oil well Quote Link to comment https://www.bigmacktrucks.com/topic/67105-oil-change/#findComment-475698 Share on other sites More sharing options...
mq1hunter Posted June 23, 2021 Author Share Posted June 23, 2021 Ok, got it figured out. For a little more perspective, I am the welder, helping with getting these done. Mechanic said it was 10 gallons, only just started questioning this. 36 or 32 quarts of oil hmmm 9 gallons. Thanks All... Quote Link to comment https://www.bigmacktrucks.com/topic/67105-oil-change/#findComment-475722 Share on other sites More sharing options...
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