Crankcase Breather System

Crankcase breather system

Note: Depending on whether the vehicle has a manual gearbox or an automatic gearbox, the hose layout around the distributor piece (Item 2) will be different. This is because vehicles with automatic gearbox also have a suction jet pump.





1. Connection on valve cover for cylinder bank 1
2. Distributor piece
3. Connection on crankcase
4. Pressure limiting valve
5. Connection on valve cover for cylinder bank 2
6. Fuel pressure regulator
7. Nonreturn valve (arrow indicates direction of flow)
8. Nonreturn valve (arrow indicates direction of flow) see also fuel tank breather system.
Emission Control System / Evaporative Emissions System Evaporative Emissions System