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Removing and installing high-pressure pump
27
Removing high-pressure pump
D Remove the high-pressure lines between the high-pressure pump and rail, see page 26
Note:
The subsequent reinstallation of the high-pressure pump is rendered considerably easier if before
its removal the engine has been turned to ignition TDC cylinder 1(see page 24).
Danger:
Before starting the work, comply with ”Special instructions when working on the common rail sys-
tem” (see page 9).
Fig. 1
Unscrew and remove all fuel and oil lines to the
high-pressure pump Á and to fuel distributor Â.
Undo all the electrical connections to the high-
pressure pump.
Caution:
All connections and removed parts are to
be closed immediately with suitable
caps!
The lines contain fuel!
Catch escaping fuel in a suitable con-
tainer.
Note:
To facilitate reassembly, memorise or
mark down in a drawing or photo the
positions of the brackets, pipe clamps
and spacer sleeves etc.
To remove the injection pump, the high-pressure
pump drive must be made accessible.
For this purpose the fuel distributor must be de-
tached.
Close shutoff valve from tank to engine.
Fig. 2
Remove timing case cover.
The injection pump drive can now be seen.
Fig. 3
Remove mounting bolts from high-pressure pump
(arrow).
Take off high-pressure pump.
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