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Engine Cooling System (service Specifications) (except Phv) Toyota Prius PHV pre-III

SERVICE DATA

ConditionRod Operation
Cold (below approx. 71 °C (160 °F)) --> Warmed up (approx. 80 °C (176 °F) or more)Rod gradually extends as the temperature rises.

EXHAUST HEAT RECIRCULATION SYSTEM

ConditionSpecified Condition
Approximately 20 °C (68 °F)2.32 to 2.59 kohms
Approximately 80 °C (176 °F)0.310 to 0.326 kohms

TEMPERATURE SWITCH

ConditionSpecified Condition
Standard valve opening temperature80 to 84 °C (176 to 183 °F)
Standard valve lift10 to 14 mm (0.394 to 0.551 in.) at 95 °C (203 °F)

THERMOSTAT

ItemConditionSpecified Condition
Cooling fan motorAt 20 °C (68 °F)4.7 to 8.7 A at 12 V
No. 2 Cooling fan motorAt 20 °C (68 °F)4.7 to 8.7 A at 12 V

COOLING FAN MOTOR

Tester ConnectionConditionSpecified Condition
3 - 5Battery voltage is not applied between terminals 1 and 210 kohms or higher
3 - 5Battery voltage is applied between terminals 1 and 2Below 1 ohms

COOLING FAN RELAY

Tester ConnectionConditionSpecified Condition
3 - 4Battery voltage is not applied between terminals 1 and 2Below 1 ohms
3 - 4Battery voltage is applied between terminals 1 and 210 kohms or higher
3 - 5Battery voltage is not applied between terminals 1 and 210 kohms or higher
3 - 5Battery voltage is applied between terminals 1 and 2Below 1 ohms

NO. 2 COOLING FAN RELAY

Tester ConnectionConditionSpecified Condition
3 - 5Battery voltage is not applied between terminals 1 and 210 kohms or higher
3 - 5Battery voltage is applied between terminals 1 and 2Below 1 ohms

NO. 3 COOLING FAN RELAY

ItemTester ConnectionSpecified Condition
Radiator reservoir capFor brand-new cap94 to 122 kPa (1.0 to 1.2 kgf/cm 2 , 13.5 to 17 psi)
For using cap79 kPa (0.8 kgf/cm 2 , 11.4 psi)

RESERVE TANK CAP

TORQUE SPECIFICATIONS

Part TightenedN*mKgf*cmFt.*lbf
Cylinder block drain cock plug x Cylinder block131309

COOLANT

Part TightenedN*mKgf*cmFt.*lbf
Engine water pump assembly x Chain cover for bolt A2626019
Engine water pump assembly x Chain cover for bolt B and C2121415

WATER PUMP

Part TightenedN*mKgf*cmFt.*lbf
Engine coolant temperature sensor x heater pipe8.08271 in.*lbf

TEMPERATURE SWITCH

Part TightenedN*mKgf*cmFt.*lbf
Water inlet with thermostat sub-assembly x Chain cover5455040

THERMOSTAT

Part TightenedN*mKgf*cmFt.*lbf
Exhaust pipe gas control actuator case x exhaust pipe5.05144 in.*lbf

EXHAUST PIPE GAS CONTROL ACTUATOR

Part TightenedN*mKgf*cmFt.*lbf
Fan x Cooling fan motor6.36456 in.*lbf
No. 2 Fan x No. 2 Cooling fan motor6.36456 in.*lbf
Cooling fan motor x Fan shroud3.94035 in.*lbf
No. 2 Cooling fan motor x Fan shroud3.94035 in.*lbf

COOLING FAN MOTOR

Part TightenedN*mKgf*cmFt.*lbf
Fan shroud x Radiator assembly7.07162 in.*lbf
No. 2 fan shroud x Radiator assembly7.07162 in.*lbf
Upper radiator support x Body1313310
Radiator support RH and LH x Upper radiator support1919414

RADIATOR