Customer has this ISX that he had at another shop and it was mixing oil into the coolant. He had a complete oil cooler from PDI installed and they said they flushed the system but it is still mixing. I told him I could flush the system and see if they just did a poor flush but as I was flushing it this is his blowby out of the oil fill tube. To me this is a little excessive. https://youtube.com/shorts/M0UapctWCIs?si=cXaAYVlvJdUOgfwC
Cummins ISX Breathing
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Smellfunny, May 28, 2024.
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Moisture on the bottom of the filler cap, or the bottom of the blow by tube?
You could pull the valve cover and know for certain.
Of course, it's hard to get all the oil out of a cooling system. Usually takes 4 or 5 flushes for me, and those aren't just fill, bring to temp flushes. -
Big Road Skateboard Thanks this.
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Smellfunny Thanks this.
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Cascade powder is what I’ve been told works the best.
Big Road Skateboard Thanks this. -
No foaming soaps though like dawn -
If you use cascade powder dissolve it in a container of hot water first, then pour it in.
Big Road Skateboard Thanks this. -
Go to the 8 minute mark and start watching there. Adept Ape says to only use Dawn and not Cascade. -
Not gonna change my thoughts.
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