Renault Laguna III Manual page 1023

High pressure pump: Removal - Refitting
V9X
- the washers of the (Mot. 1906) from the high pres-
sure pump,
- the (Mot. 1906).
II - REFITTING OPERATION FOR PART
CONCERNED
a
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.
a Lubricate the new high-pressure pump seal with en-
gine oil.
Note:
Do not apply pressure to the high-pressure pump
gear teeth.
Check that the high pressure pump is in contact
with the cylinder head before positioning the high
pressure pump bolts.
a Refit:
- a new high pressure pump O-ring.
- the high pressure pump.
a Torque tighten the high pressure pump bolts (30
N.m).
a Remove the blanking plugs from the fuel supply and
return unions.
a Connect:
- the fuel return union onto the high pressure pump,
- the fuel supply union onto the high pressure pump.
III - FINAL OPERATION
a Connect the fuel pressure regulator connector.
a Refit:
- 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 front row injector rail protector (see 13B, Diesel
injection, Injector rail protector: Removal - Re-
fitting, page 13B-126) ,
- the coolant outlet unit (see 19A, Cooling, Water
chamber: Removal - Refitting, page 19A-100) ,
DIESEL INJECTION
13B-84
- the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) .
a Connect the battery (see Battery: Removal - Refit-
ting) (80A, Battery).
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 Prime the diesel circuit using the manual priming
pump.
a Switch on the forced + after ignition feed.
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.
13B