Cooling System - Toyota RAV4 2009 Features Manual

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6. Cooling System

D The cooling system uses a pressurized forced-circulation system with a pressurized reservoir tank.
D A thermostat with a bypass valve is located on the water inlet housing to maintain suitable temperature
distribution in the cooling system.
D An aluminum radiator core is used for weight reduction.
D The flow of the engine coolant makes a U-turn in the cylinder block to ensure a smooth flow of the engine
coolant. In addition, a bypass passage is enclosed in the cylinder head and the cylinder block.
D Warm engine coolant from the engine is sent to the throttle body to prevent freeze-up.
D TOYOTA Genuine SLLC (Super Long Life Coolant) is used.
Reservoir Tank
Water
Pump
Radiator
Thermostat
System Diagram
" A
Bypass Passage
Water Pump
Thermostat
RAV4 – NEW FEATURES
Cylinder Head
Cylinder Block
Reservoir
Tank
Radiator
From Heater Core
Throttle Body
ATF Warmer
Heater Core
Throttle
Body
10SEG35I
To Heater Core
10SEG68Y
ATF
Warmer