Renault Laguna III, Manual

Page: 2585 / 3699

62A
-
29
AIR CONDITIONING
Expansion valve: Removal - Refitting
K4M or K9K or M4R or M9R, and AIR CONDITIONING 01 or AIR CONDITIONING 02
62A
REMOVAL
I - REMOVAL PREPARATION OPERATION
a
Drain the coolant circuit (see 62A , Air conditioning ,
Refrigerant circuit: Draining - Filling , page 62A-7 )
.
a
Disconnect the battery (see Battery: Removal - Re-
fitting ) (MR 415, 80A, Battery).
a
Remove:
- the front wiper arms (see Windscreen wiper arm:
Removal - Refitting ) (MR 415, 85A, Wiping -
Washing),
- the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting ) (MR 416, 56A, Exterior
equipment),
- the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting
) (MR 416, 56A, Exterior equipment).
a
Unclip the heat shield.
a
Remove the heat shield.
a
Remove:
- the bolt securing the bracket of the expansion valve
- compressor connecting pipe on the expansion
valve,
- the bolt securing the bracket of the expansion valve
- condenser connecting pipe on the expansion
valve.
a
Disconnect:
- the expansion valve - compressor connecting pipe
on the expansion valve,
- the expansion valve - condenser connecting pipe
on the expansion valve.
a
Remove:
- the expansion valve - compressor connecting pipe
on the expansion valve,
- the expansion valve - condenser connecting pipe
on the expansion valve.
a
Insert the blanking plugs.
Special tooling required
Car. 1363 Set of trim removal levers.
Equipment required
refrigerant charging station
Tightening torques
m
expansion valve bolts 6 Nm
bolt securing the bracket
of the expansion valve -
compressor connecting
pipe on the expansion
valve 8 N.m
bolt securing the bracket
of the expansion valve -
condenser connecting
pipe on the expansion
valve 8 N.m
IMPORTANT
Consult the safety and cleanliness advice and oper-
ation recommendations before carrying out any
repair (see
62A , Air conditioning , Air condition-
ing: Precautions for the repair , page 62A-1 ) .
Note:
Always replace the expansion valve each time it is
removed (After-Sales part kit).
Note:
Use blanking plugs for the fuel circuits with part no.
77 01 208 229 or 77 01 476 857 to plug any open-
ings exposed to the open air. They must be clean.
Do not use any which have already been used to
plug a fuel circuit.
WARNING
To prevent the surrounding components from
overheating, do not damage (tear, pierce bend
etc.) a heat shield.
All damaged heat shields must be replaced.
WARNING
To prevent moisture from entering the system,
place plugs on the cold loop components which
are open to the air.