Renault Laguna III Manual page 1089

High pressure pipe between pump and rail: Removal - Refitting
K9K, and 780
a Disconnect:
- the diesel injector connectors (12) ,
- the pressure regulation solenoid valve connector
(13) ,
- the (14) flow regulation solenoid valve connector,
- the fuel temperature sensor connector (15) .
a Unclip the injection wiring clip (16) .
a Remove the nut (17) from the injection wiring brack-
et.
a Move aside the rail protector injection wiring.
a Remove:
- the rail protector drain pipe,
- the rail protector nuts (18) ,
- the rail protector bolt (19) ,
DIESEL INJECTION
123846
111748
13B-150
- the rail protector,
II - REMOVAL OPERATION FOR PART
CONCERNED
a
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run.
a Remove the high pressure pipe between the high
pressure pump and the injector rail and dispose of it
in a bin.
Note:
It is essential to use a spanner to hold the high
pressure pump intermediate union when loosen-
ing the high pressure pipe.
a Fit the correct blanking plugs on:
- the high pressure pump opening,
- the injector rail opening.
REFITTING
I - REFITTING PREPARATIONS OPERATION
a Always replace the high pressure pipe between the
pump and the rail.
II - REFITTING OPERATION FOR PART
CONCERNED
a Take the new high pressure pipe out of its plastic
bag.
a Remove and dispose of the blanking plugs.
a Fit the new high pressure pipe between the injector
rail and the high pressure pump.
Note:
If the new pipes kit does not contain an applica-
tor, do not lubricate the pipe threads (as they are
self-lubricating pipes).
a Manually fit and finger tighten the high pressure pipe
nuts, starting with the injector rail side.
a Torque tighten using the (Mot. 1566) or (Mot. 1746)
:
- the yellow high pressure pipe unions between
the pump and the rail (24 Nm),
13B