2
Removing and installing the rail pressure sensor,
pressure relief valve
31
Danger:
Before starting the work, comply with “Special instructions when working on the common rail sys-
tem” (see page 9).
Caution:
All connections and removed parts are to be closed immediately with suitable caps!
Dirt in the injection system causes:
D injectors to jam
D the high−pressure pump drive to break
The lines contain fuel.
Catch escaping fuel in a suitable container.
Fig. 1
Remove the rail pressure sensor À or pressure
relief valve Á from the rail. Undo the electrical con-
nection of the rail pressure sensor.
Fit the rail pressure sensor À or pressure relief
valve Á on the rail.
Tightening torque:
Rail pressure sensor À 70 Nm
Pressure relief valve Á 100 Nm
Reconnect the rail pressure sensor.
2
1
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