Renault Laguna III, Manual

Page: 1411 / 3699

19A
-
23
COOLING
Cooling system: Draining - Refilling
V9X
19A
I - OIL SERVICE
a
Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting ) (02A, Lifting equipment).
a
Remove:
- the expansion bottle cap,
- 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
Place a coolant recovery tray under the vehicle.
a
Separate the clip ( 1 ) of the radiator bottom cooling
hose using the tool (Mot. 1448) .
a
Disconnect the bottom cooling hose from the cooling
radiator.
Special tooling required
Mot. 1448 Remote operation pliers for
hose clips.
Mot. 1700 Fault finding and filling -
bleeding the cooling circuit.
Ms. 554-07 Instrument for testing the
cooling circuit and the expan-
sion bottle valve. Contains
caps 554-01, 554-04, 554-06
Equipment required
coolant recovery tray
compressed air nozzle
pedal press
Tightening torques
m
drain screws on the cyl-
inder block 25 N.m
IMPORTANT
The circuits are designed to be pressurised, so be
careful at high temperatures (risk of serious burns).
Do not remove the cap from the expansion bottle
while the engine is hot.
Take care when carrying out a repair under the bon-
net, as the radiator fan(s) may start to operate with-
out warning.
Do not open the bleed screw(s) with the engine run-
ning.
WARNING
Before the operation, protect the electrical accesso-
ries to prevent any risk of shor t circuiting and pro-
tect the belts to avoid damaging them.
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