The MaxxForce 13 uses a spinning "squirrel cage" separator driven by oil pressure to fling oil droplets out of the crankcase gases.
The "jet plate" is a brass orifice that sprays oil onto the centrifuge to spin it. maxxforce 13 crankcase breather problems
While the breather itself can fail, it is often blamed for problems actually caused by "blow-by"—combustion gases leaking past worn piston rings or cracked pistons. The MaxxForce 13 uses a spinning "squirrel cage"
The MaxxForce 13 engine, manufactured by Navistar, is well-known for its complex emissions systems, and the is a frequent source of trouble. When this system fails, it often leads to excessive oil being expelled through the road draft (blow-by) tube. Common Crankcase Breather Problems Failing Centrifugal Separator (Squirrel Cage) manufactured by Navistar