White smoke from cranckcase..Series 60

What does your oil look like on the dipstick...is it the normal black or does it look milky? Are you adding a lot of coolant? My guess is you probably got a head gasket, or liner o-ring starting to go out. I would take it to a shop and have the coolant system pressurized with the oil pan off to check for leaks. If you don't want to do that at least swing through a Speedco or someplace and get a oil sample done. At least with the results from the oil sample you can have a better idea on whats going on in the engine.

 

Well I can't help you because I dont know much about this issue...however...where is that ventilation pipe? I have a Detroit 60 in my truck as well...and when I do a post trip at the end of the day, I can see a small amount of white smoke coming from a pipe....however this pipe / tube is under where the driver sits...looks like its right by the leaf spring hanger on the back connection.
Just wondering where the tube is that you are talking about...might be the same thing? Although this is nowhere near a water pump.

 

After a long run you will see a little "smoke" out of the tube. The "smoke" is usually just oil vapor along with a little bit of steam if the motor has been ran hard. Nothing major to worry about, unless you start seeing a lot of oil on the ground under the pipe.

I see in your profile pic there is a Schneider truck, are you a company driver or leased to them? I'm leased onto the Choice program with them.

 

Im just a company driver, dedicated account.

 

Walk through the lot of any truckstop on a cold night and you can easily tell which trucks have Detroits - the ones with the white smoke wafting out from under the engines

 

Not just Detroits...my CAT does it constantly. Its cause of all the oil being sprayed around in the top end. I even have a filter installed on the vent tube, but it only slowed the oil loss from this problem.

 

After owning several Detroits, and talking with various mechanics, I was told, and have seen for myself, that all smoke, some just a lot more than others.