Renault Laguna III Manual page 1396

Engine cooling system: Operating diagram
V4Y
(1) Engine
(2) Cooling radiator
(3) Expansion bottle
(4) Heater matrix
(5) Automatic gearbox oil tempera-
ture heat exchanger.
(6) Coolant outlet unit
(7) Choke
(8) Thermostat
(9) Engine oil - coolant heat
exchanger
(10) The hose at the engine oil -
coolant heat exchanger outlet is
connected to the cylinder block
on the back row behind the rear
exhaust manifold
(11) Air heater
(12) Bleed screw
The expansion bottle cap valve rating is 1.4 bar.
COOLING
19A-8
19A
134935