Cooling System: Draining - Refilling - Renault Laguna III Manual

Cooling system: Draining - Refilling
F4R or K4M or K9K or M4R or M9R or V4Y
Special tooling required
Mot. 1448 Remote operation pliers for
hose clips.
Car. 1363 Set of trim removal levers.
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 torquesm
air filter unit air outlet
pipe clip on the turbo-
charger side
IMPORTANT
When working in the engine compartment, take
care as the radiator fan(s) may start up unexpect-
edly (risk of being cut).
To avoid any risk of serious burns when the engine
is hot:
- do not open the expansion bottle cap,
- do not drain the cooling system,
- do not open the bleed screw(s).
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.
I - DRAINING
a Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
a Remove:
- the expansion bottle cap,
COOLING
- the engine undertray bolts,
- the engine undertray.
a Position the coolant recovery tray under the vehi-
cle.
F4R or K4M or K9K or M4R
a Remove:
- the clip of the coolant pump inlet pipe hose using
- the coolant pump inlet pipe hose.
V4Y
5.5 N.m
a Remove:
- the bottom cooling hose clip (1) from the cooling ra-
- the bottom cooling hose.
19A-16
the tool (Mot. 1448),
diator using the tool (Mot. 1448),
19A
134513