Lexus NX manuals

Lexus NX: Sub Radiator

Lexus NX Service Manual / Engine & Hybrid System / 2ar-fxe (hybrid / Battery Control) / Sub Radiator

Removal

REMOVAL

PROCEDURE

1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY

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2. DRAIN COOLANT (for Inverter Coolant)

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3. REMOVE UPPER RADIATOR SUPPORT SUB-ASSEMBLY

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4. REMOVE NO. 2 FAN SHROUD

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5. REMOVE RADIATOR ASSEMBLY (for Inverter Coolant)

(a) Slide the hose clamp, and disconnect the No. 5 inverter cooling hose and No. 2 inverter cooling hose assembly from the radiator assembly (for inverter coolant).

NOTICE:

  • After disconnecting the water hose, plug the water hose and the pipe of the radiator assembly (for inverter coolant) with vinyl tape, etc. to prevent foreign matter from entering the cooling path.
  • Do not apply excessive force to the water hose.

HINT:

Prepare a drain pan or cloth in case the coolant leaks.

(b) Remove the 4 bolts and radiator assembly (for inverter coolant) from the cooler condenser assembly.

Installation

INSTALLATION

PROCEDURE

1. INSTALL RADIATOR ASSEMBLY (for Inverter Coolant)

(a) Install the radiator assembly (for inverter coolant) to the cooler condenser assembly with the 4 bolts.

Torque:

9.0 N·m {92 kgf·cm, 80 in·lbf}

*a

Matchmark

*b

Positioning Rib

*c

135°

*d

45°

*e

Top

*f

Front of the Vehicle

(b) Referring to the illustration, connect the No. 5 inverter cooling hose, No. 2 inverter cooling hose assembly and clamp to the radiator assembly (for inverter coolant), and secure with the hose clamp.

NOTICE:

  • Until immediately before connecting the water hose, plug the water hose and pipe with vinyl tape, etc. to prevent foreign matter from entering the cooling path.
  • Insert the water hose up to the tank surface of the radiator assembly (for inverter coolant).
  • Align the matchmark on the water hose with the positioning rib on the radiator assembly (for inverter coolant).

2. INSTALL NO. 2 FAN SHROUD

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3. INSTALL UPPER RADIATOR SUPPORT SUB-ASSEMBLY

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4. ADD COOLANT (for Inverter Coolant)

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5. INSPECT FOR COOLANT LEAK (for Inverter Coolant)

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6. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY

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READ NEXT:

 Water Pump With Motor

 Components

COMPONENTS ILLUSTRATION *1 HV WATER PUMP BRACKET SUB-ASSEMBLY *2 NO. 1 ENGINE UNDER COVER ASSEMBLY *3 NO. 2 INVERTER COOLING HOSE ASSEMBLY *4 WATER PUMP WITH MOTOR *5 NO. 2 I

 Removal

REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY Click here 2. DRAIN COOLANT (for Inverter Coolant) Click here 3. REMOVE UPPER RADIATOR SUPPORT SUB-ASSEMBLY Click here 4. DISCONNE

SEE MORE:

 Parts Location

PARTS LOCATION ILLUSTRATION *1 COMBINATION METER ASSEMBLY *2 CLIMATE CONTROL SWITCH (for Driver Side) *3 CLIMATE CONTROL SWITCH (for Front Passenger Side) *4 AIR CONDITIONING CONTROL ASSEMBLY *5 AIR CONDITIONING AMPLIFIER ASSEMBLY *6 DLC3 *7 INSTRUMENT PANEL JUNCT

 Mirror Heater does not Operate with Rear Defogger Switch

DESCRIPTION When therear window defogger switch (mirror heater switch) is operated, a mirror heater signal is sent to the air conditioning amplifier assembly via LIN communication. The air conditioning amplifier assembly sends the signal to the outer mirror control ECU assembly via CAN communication

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