Renault Laguna III, Manual

Page: 1178 / 3699

13B
-
239
DIESEL INJECTION
Diesel injector: Removal - Refitting
V9X
13B
REFITTING THE FRONT ROW INJECTORS
I - REFITTING PREPARATION OPERATION
Cleaning parts
a
Always replace the heat protection washers.
a
Always clean the well of the removed injector (see
Injector well cleaning tool: Use ) (Technical Note
6040A, 13B, Diesel injection).
a
If reusing the removed injector:
- clean the injector using a cloth soaked in INJEC-
TOR CLEANER or BRAKE CLEANER ,
- if necessary, leave the injector nozzle to soak in IN-
JECTOR CLEANER ,
- 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
When replacing an injector, note the IMA code of the
new injector and the number of the corresponding
cylinder.
a
Position the new heat protection washers on the in-
jectors.
a
Refit:
- the injectors following the marks made when they
were removed,
- the injector clamps.
a
Torque tighten the injector clamp bolts (35 N.m) .
a
Connect the injector connectors.
a
Remove the blanking plugs from the injectors.
a
Position the fuel return rail on the injectors.
a
Connect the fuel return rail to the injectors.
a
Clip the fuel return rail unions onto the injectors.
III - FINAL OPERATION
a
Refit the high pressure pipes between the rail and
the injectors (see
13B , Diesel injection , High pres-
sure pipe between rail and injector: Removal -
Refitting
, page 13B-161 ) .
a
Connect the battery (see Battery: Removal - Refit-
ting ) (80A, Battery).
a
Prime the diesel circuit using the manual priming
pump.
a
Apply the after repair procedure using the Diagnos-
tic tool :
- connect the Diagnostic tool ,
- select the « injection computer » ,
113158
WARNING
It is strictly forbidden to clean the injectors with:
- a wire brush,
- an emery cloth,
- an ultrasonic cleaner.
WARNING
Do not remove the blanking plugs from each
component until the last moment.
Also, do not remove the components from their
packaging until they are to be fitted to the vehi-
cle.
Note:
IMA codes are from X1 to XN.
After connecting the battery, program the injec-
tors using the
Diagnostic tool .