Renault Laguna III Manual page 1467

Coolant pump: Removal - Refitting
K4M
Tightening torquesm
bolts 1 to 7 of the cool-
ant pump
bolt 8 of the coolant
pump
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
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 very cold coun-
tries.
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 Drain the cooling system (see 19A, Cooling, Cool-
ing system: Draining - Refilling, page 19A-16) .
COOLING
a Remove:
- the air filter box (see 12A, Fuel mixture, Air filter
10 N.m
- the throttle valve (see 12A, Fuel mixture, Throttle
25 N.m
- the front right-hand wheel (see Wheel: Removal -
- the front section of the front right-hand wheel arch
- the accessories belt (see 11A, Top and front of
- the crankshaft accessories pulley (see 11A, Top
- the right-hand suspended engine mounting (see
- the timing belt (see 11A, Top and front of engine,
II - OPERATION FOR REMOVAL OF PART
CONCERNED
a Remove:
- the coolant pump bolts (1) ,
- the coolant pump.
19A-79
unit: Removal - Refitting, page 12A-13) ,
valve: Removal - Refitting, page 12A-49) ,
Refitting) (35A, Wheels and tyres),
liner (see Front wheel arch liner: Removal - Re-
fitting) (55A, Exterior protection),
engine, Accessories belt: Removal - Refitting,
page 11A-13) ,
and front of engine, Crankshaft accessories
pulley: Removal - Refitting, page 11A-33) ,
19D, Engine mounting, Right-hand suspended
engine mounting: Removal - Refitting, page
19D-51) ,
Timing belt: Removal - Refitting, page 11A-50) .
19A
14505