So, help me understand how it all works. The crankcase pressure pushes oil from the remote tank up to the reservoir on the engine. Does the crankcase check valve just prevent the pressure to the remote tank from being more than ?2or4 PSI, or is it the opposite and it maintains the pressure at...
Thanks for weighing in. Would anything other than a faulty valve cause oil to drip from the vent tube? I did some more research and it is a 4 PSI check valve. They are not widely available. Is there a way to clean it better than w/ carb cleaner squirted in? Should I just find one somewhere...
Noticed oil in water outside my 175HP Mariner. Pulled the cover and quite a bit of oil pooled in the housing. Started the engine and noted a frequent drip of oil from the vent tube. Took off the in line check valve, put some carb cleaner thru it , dried it out, put it back together and still...