13 31 025 Checking Fuel Return Pressure

13 31 025 - Checking fuel return pressure (M57TU, M47T2, M57T2)





Special tools required:
- 13 5 222
- 13 6 030





Note:
- Connect diagnosis system





Recycling:
Catch and dispose of escaping fuel in a suitable container.
Observe country-specific waste-disposal regulations.





Disconnect quick-release coupling (1) from return line (2).
Connect special tools 13 6 030 and 13 5 222.
Connect pressure sensor (3) of DIS Tester.
Insert special tool 13 6 030 between lines (1) and (2).
Switch on ignition. Read off fuel return pressure. Refer to Technical Data 13 31 Fuel Pump With Drive and Pipe.