Renault Laguna III Manual page 1019

High pressure pump: Removal - Refitting
V9X
Special tooling required
Mot. 1906 High pressure pump pinion
locking tool
Equipment required
Diagnostic tool
Tightening torquesm
high pressure pump pin-
ion nut
high pressure pump
bolts
IMPORTANT
Consult the safety and cleanliness advice and oper-
ation recommendations before carrying out any
repair (see 13B, Diesel injection, Diesel injec-
tion: Precautions for the repair, page 13B-1) .
IMPORTANT
Use the diagnostic tool before any operation is car-
ried out on the injection circuit to check:
- that the rail is not under pressure,
- that the fuel temperature is not too high.
Working on the circuit with the engine running is
strictly forbidden.
WARNING
To prevent impurities from entering the circuit, place
protective plugs on all fuel circuit components
exposed to the open air.
WARNING
To avoid any corrosion or damage, protect the
areas on which fuel is likely to run.
DIESEL INJECTION
90 N.m
30 N.m
13B-80
REMOVAL
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,
- the engine undertray.
- the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
- the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
- the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection).
a Drain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-16) .
a Remove:
- the air filter unit (see 12A, Fuel mixture, Air filter
unit: Removal - Refitting, page 12A-13) ,
- the coolant outlet unit (see 19A, Cooling, Water
chamber: Removal - Refitting, page 19A-100) ,
- the front row injector rail protector (see 13B, Diesel
injection, Injector rail protector: Removal - Re-
fitting, page 13B-126) ,
- 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) .
13B