steven johnson Posted March 8, 2019 Share Posted March 8, 2019 I serviced my boss's 2008 Mack tri axle dump and I found the crankcase vent unit is leaking oil pretty bad . I hoping someone could tell me if I just need to change the unit or it could be blow by Thanks Steve Quote Link to comment https://www.bigmacktrucks.com/topic/56035-2008-mp8/ Share on other sites More sharing options...
Mackpro Posted March 8, 2019 Share Posted March 8, 2019 We have tried putting o-ring kits in the CCV blow by filter spinner thing . But they usually still leaks oil so we now replac the complete unit. It kinda high dollar I believe, around a grand I think. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/56035-2008-mp8/#findComment-417668 Share on other sites More sharing options...
fjh Posted March 8, 2019 Share Posted March 8, 2019 6 hours ago, Mackpro said: We have tried putting o-ring kits in the CCV blow by filter spinner thing . But they usually still leaks oil so we now replac the complete unit. It kinda high dollar I believe, around a grand I think. LiKE everything else on the thing!The Volvo Guys Now How to Charge for stuff! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/56035-2008-mp8/#findComment-417702 Share on other sites More sharing options...
Rockwell Posted March 9, 2019 Share Posted March 9, 2019 Make sure it is not leaking from gasket where the ccv meets the block. Mine had a really bad leak from there, not the orings on the ccv. Quick easy replacement. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/56035-2008-mp8/#findComment-417748 Share on other sites More sharing options...
Macktech689 Posted March 9, 2019 Share Posted March 9, 2019 21 hours ago, fjh said: LiKE everything else on the thing!The Volvo Guys Now How to Charge for stuff! It's been the same for as long as I can remember. Big truck = Big buck. Quote Link to comment https://www.bigmacktrucks.com/topic/56035-2008-mp8/#findComment-417794 Share on other sites More sharing options...
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