Renault Laguna III Manual page 1174

Diesel injector: Removal - Refitting
K9K, and 780
a
Note:
If a diesel injector is stuck in its well and does not
come out, turn the diesel injector at the flat sur-
face of the diesel injector clamp using a 13 mm
open-ended spanner.
a Remove the diesel injector from its well.
Note:
If reusing the diesel injector(s) keep them in a
hermetically sealed bag throughout the removal
operation.
a Fit an appropriate blanking plug on the diesel injec-
tor nose.
REFITTING
I - REFITTING PREPARATION OPERATION
a parts always to be replaced: High pressure pipe
between the rail and injector (11,05,03,01).
a Always replace the heat protection washer of the
diesel injector concerned.
DIESEL INJECTION
114010
13B-235
Cleaning parts
a
WARNING
It is strictly forbidden to clean the injectors with:
- a wire brush,
- an emery cloth,
- an ultrasonic cleaner.
IMPORTANT
Wear leaktight gloves (Nitrile type) for this opera-
tion.
a Always clean the well of the removed injector (see
Injector well cleaning tool: Use) (Technical Note
6040, 13B, Diesel injection).
a If reusing the removed injector:
- clean the injector using a wipe soaked in injector
cleaning product or brake cleaner,
- if necessary, leave the injector nozzle to soak in in-
jector cleaning product,
- wipe the injector with a new wipe,
- (see Vehicle: Parts and consumables for the re-
pair) (04B, Consumables - Products) and (see
13B, Diesel injection, Diesel injection: Precau-
tions for the repair, page 13B-1) .
II - REFITTING OPERATION FOR PART
CONCERNED
a Remove the new diesel injector from its packaging.
a Remove the blanking plug from the diesel injector
nose and discard it.
a Refit:
- a new heat protection washer,
- the diesel injector,
- the diesel injector clamp spacer,
- the diesel injector clamp,
- the diesel injector clamp bolt.
a Torque tighten the diesel injector bolts (30 N.m).
III - FINAL OPERATION
a Refit:
- the diesel return pipe for the diesel injectors (see
13B, Diesel injection, Diesel return pipe: Re-
moval - Refitting, page 13B-98) ,
13B