Mackpro Posted February 27, 2009 Share Posted February 27, 2009 My buddies brother has an 1989 CH613 with a E-6 4 valve head engine. He complains that truck just started blowing oil out of dipstick tube. Engine does not seem to have much blow-by when hot. We made sure dipstick part# and oil level were correct. We replaced rubber hose on blow-by tube and removed valve covers and blow-by cross over and cleaned out . We did notice engine has non-oiling rocker arms and rockers were alittle gummed up. Engine runs great. Truck is only used to to pull flat bed with dozer about once every 2 weeks. I only work on MP-7 and MP-8 stuff here at work and have forgotten almost all stuff on the older engines. What do you guys think could be the problem. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/8474-e-6-4vh-blowing-oil-out-dipstick/ Share on other sites More sharing options...
fjh Posted February 28, 2009 Share Posted February 28, 2009 My buddies brother has an 1989 CH613 with a E-6 4 valve head engine. He complains that truck just started blowing oil out of dipstick tube. Engine does not seem to have much blow-by when hot. We made sure dipstick part# and oil level were correct. We replaced rubber hose on blow-by tube and removed valve covers and blow-by cross over and cleaned out . We did notice engine has non-oiling rocker arms and rockers were alittle gummed up. Engine runs great. Truck is only used to to pull flat bed with dozer about once every 2 weeks. I only work on MP-7 and MP-8 stuff here at work and have forgotten almost all stuff on the older engines. What do you guys think could be the problem. Thanks68 It maybe the turbo You might try building one of these and see if the turbo is causing this!http://www.bigmacktrucks.com/index.php?showtopic=8344 Quote Link to comment https://www.bigmacktrucks.com/topic/8474-e-6-4vh-blowing-oil-out-dipstick/#findComment-31474 Share on other sites More sharing options...
Underdog Posted February 28, 2009 Share Posted February 28, 2009 Check out my reply on the other thread "crank case pressure" for a possible cause.There must be a way to post a reply on 2 different threads, but I don't know how. I know more about trucks than I do about computers, but I am learning. Quote Link to comment https://www.bigmacktrucks.com/topic/8474-e-6-4vh-blowing-oil-out-dipstick/#findComment-31480 Share on other sites More sharing options...
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