Contents Section: Cooling Fan All sections

Cooling (service Specifications) Lexus IS F I

SERVICE DATA

Standard valve opening temperature80 to 84°C (176 to 183°F)
Standard valve lift10.0 mm (0.394 in.) or more at 95°C (203°F)

WATER INLET WITH THERMOSTAT

Standard current (Cooling fan motor)Fan operates when A/C switch is turned ON (MAX COOL)2 to 22 A
Standard current (No. 2 cooling fan motor)Fan operates when A/C switch is turned ON (MAX COOL)2 to 22 A
Standard current (Cooling fan motor)Fan operates when engine coolant temperature sensor connector is disconnected2 to 22 A
Standard current (No. 2 cooling fan motor)Fan operates when engine coolant temperature sensor connector is disconnected2 to 22 A
Standard current (Cooling fan motor)Wile the motor is turning at 20°C (68°F) when battery voltage is 12 V18.0 to 22.0 A
Standard current (No. 2 cooling fan motor)Wile the motor is turning at 20°C (68°F) when battery voltage is 12 V18.0 to 22.0 A

COOLING FAN MOTOR

3 - 510 Mohms or higher
3 - 5Below 1 ohms (when battery voltage is applied to terminals 1 and 2)

COOLING FAN RELAY

Standard valve (for brand-new cap)93 to 123 kPa (1.0 to 1.2 kgf/cm 2 , 13.5 to 17.8 psi)
Minimum standard valve (after using cap)79 kPa (0.8 kgf/cm 2 , 11.4 psi)

RADIATOR CAP (STANDARD JUDGMENT CRITERION)

TORQUE SPECIFICATIONS

Part TightenedN*mKgf*cmFt.*lbf
Cylinder block drain cock plug x Cylinder block1313310
Vent plug x Radiator assembly1.51513 in.*lbf

COOLANT

Part TightenedN*mKgf*cmFt.*lbf
Water pump x Timing chain cover sub-assemblyBolt A2020415
Bolt B2323517
Bolt C4747935
Water pump pulley x Water pump2121415
Water inlet x Timing chain cover sub-assembly2121415

WATER PUMP

Part TightenedN*mKgf*cmFt.*lbf
Water inlet with thermostat x Water inlet101027

WATER INLET WITH THERMOSTAT

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

COOLING FAN MOTOR

Part TightenedN*mKgf*cmFt.*lbf
Fan assembly x Radiator assembly5.05144 in.*lbf
Radiator x Condenser5.05144 in.*lbf
Oil cooler pipe x Radiator assembly5.55649 in.*lbf
Radiator reservoir x Fan shroud5.05144 in.*lbf
Upper radiator support x Body8.08271 in.*lbf

RADIATOR