Renault Laguna III Manual page 1136

Injector rail: Removal - Refitting
V9X
OPERATION FOR REFITTING THE
INJECTOR RAIL ON THE FRONT ROW
I - REFITTING PREPARATION OPERATION
a Always replace the seals of the injector rail on the
front row.
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.
II - REFITTING OPERATION FOR PART
CONCERNED
a Refit:
- new injector rail seals,
- the injector rail on the front row.
a Fit the bolts for the injector rail on the front row, with-
out tightening them.
a Position the fuel pressure regulator wiring for the in-
jector rail on the front row.
a Connect the connector for the fuel pressure regula-
tor to the injector rail on the front row.
III - FINAL OPERATION
a Fit the oil vapour recirculation diaphragm.
a Torque tighten the oil vapour recirculation dia-
phragm bolts (10 N.m).
a Refit:
- the high pressure pipe between the rails (see 13B,
Diesel injection, High pressure pipe between
rails: Removal - Refitting, page 13B-184) ,
- the high pressure pipe between the pump and the
rail (see 13B, Diesel injection, High pressure
pipe between pump and rail: Removal - Refit-
ting, page 13B-140) ,
- the high pressure pipes between the rail and injec-
tor of the front row (see 13B, Diesel injection,
High pressure pipe between rail and injector:
Removal - Refitting, page 13B-161) .
a Torque tighten the injector rail bolts on the front
row (25 N.m).
DIESEL INJECTION
13B-197
a Refit:
- the injector rail protector on the front row (see 13B,
Diesel injection, Injector rail protector: Remov-
al - Refitting, page 13B-126) ,
a Fill and bleed the cooling system (see 19A, Cool-
ing, Cooling system: Draining - Refilling, page
19A-16) .
a Refit:
- the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
- the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
- the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
- the engine undertray.
a Connect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
a Prime the diesel circuit using the manual priming
pump.
a Switch on forced + after ignition.
a Connect the Diagnostic tool.
a In the Diagnostic tool :
- select the repair mode,
- select the programming mode,
- select the command SC 035: HIGH PRESSURE
FUEL CIRCUIT FAULT FINDING.
a Check:
- the correct operation of the high pressure fuel cir-
cuit,
- that there are no leaks.
a Refit the engine cover.
REMOVING THE INJECTOR RAIL ON THE
BACK ROW
I - REMOVAL PREPARATION OPERATION
a Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
a Disconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
a Remove:
- the engine cover,
- the engine undertray bolts,
13B