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dwb_style
02-23-2010, 03:42 PM
i have an 07 450er and its leaking oil through the crank case beather hose. what would cause this to happen? thanks
miles Machine
02-23-2010, 07:32 PM
the oil could be over filled...bad rings....bad trans seals causing the oil from, the trans to leak over to the engine side...but herd of this on quite a few 06 and ups and they all say that stuff i mentioned isnt a factor and they still cant explain why it is blowing it out.
d3ktrix
02-23-2010, 10:03 PM
Originally posted by miles Machine
bad trans seals causing the oil from, the trans to leak over to the engine side

When this is the case, the right side crank seal is a popular one to cause it.
miles Machine
02-23-2010, 10:05 PM
thats what i ment not the trans seal lol
d3ktrix
02-23-2010, 10:14 PM
Well there is probably other areas for it to leak too so I wouldn't say calling it a trans/clutch side seal was wrong.