Where is the breather tube on a C15 Turbo?
C15 with the breather tube right across from where the turbo drain line comes into the block. It was blowing out as much oil as air. Turbo seals fixed it. That will tell you pressure but not volume right ? Click to expand… Yes, a manometer is just a low pressure gauge.
Why does the crankcase breather oil Seperator fail?
I have been told that it is a bad Crankcase Breather Oil Seperator. There is a little spinner in it and if it fails, it builds up a lot of pressure in the engine and blows oil out of the blow by tube. There is a lot of oil in the hose between the Top Turbo and the Charge Air Cooler, so I am thinking that the Turbo needs to be rebuilt as well.
Can a crankcase breather breather blow by fail?
A couple gallons per day. I have been told that it is a bad Crankcase Breather Oil Seperator. There is a little spinner in it and if it fails, it builds up a lot of pressure in the engine and blows oil out of the blow by tube.
What to do if oil comes out of blowby tube?
When you block the blowby at high pressure the dipstick is the first place that blows out, your thumb will usually feel the higher than normal pressure instantly though. A manometer is cinch to make and will cost you 10¢. All you need is loop of clear tubing filled partially with water taped to a 1×4” and  a tape measure.
Which is the correct way to measure blow by?
Blow by is generally recorded in liters per minute, but a water manometer may be used to measure blow by from the breather tube after fabricating the following adaptation: Drill an orifice in the plug (refer to the Blow by Conversion Chart below for the appropriate orifice size)
Why did this thing have crazy amount of blowby, truck runs and starts great no smoke?
Why all of the sudden did this thing have crazy amount of blowby, truck runs and starts great no smoke no problems other than developed a lot of blowby within a couple of weeks. I thought about it and after I realized that if I took off the air tube and placed my hand over it the blowby tube would almost whip around……
How do you measure blow by on Cummins turbo?
Measure your blow-by then remove the oil drain hose from the turbo and run it into a pail and measure your blow-by again. That will answer your question. I have only seen it once and that was on a Cummins QSC8.3.