Renault Laguna III Manual page 1457

Coolant pump: Removal - Refitting
M4R
Tightening torquesm
coolant pump bolts
WARNING
Prepare for the flow of fluid, and protect the sur-
rounding components.
WARNING
When carrying out a repair that requires a complete
change, it is essential to flush the circuit with clean
water, blast compressed air through the circuit to
drive out the water, fill and bleed the circuit and
then measure the effective protection.
The criteria to be met are:
- protection down to -25˚C ± ± ± ± 2 for cold and temper-
ate countries,
- protection down to -40˚C ± ± ± ± 2 for "extreme cold"
countries.
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).
REMOVAL
I - REMOVAL PREPARATION OPERATION
a Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 415, 02A, Lifting equip-
ment).
a Disconnect the battery (see Battery: Removal - Re-
fitting) (MR 415, 80A, Battery).
a Remove:
- the engine undertray bolts,
- the engine undertray.
COOLING
a Drain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-16) .
a Remove:
25 Nm
- the front right-hand wheel (see Wheel: Removal -
- the front right-hand wheel arch liner (see Front
- the accessories belt (see 11A, Top and front of
- the alternator (see 16A, Starting - Charging, Al-
19A-69
Refitting) (MR 415, 35A, Wheels and tyres),
wheel arch liner: Removal - Refitting) (MR 416,
55A, Exterior protection),
engine, Accessories belt: Removal - Refitting,
page 11A-13) ,
ternator: Removal - Refitting, page 16A-1) .
19A