Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR

HINT:

Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.

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(a) Apply a light coat of engine coolant to the O-ring of the engine coolant temperature sensor.

NOTICE:

If reusing the engine coolant temperature sensor, be sure to inspect the O-ring.

(b) Install the engine coolant temperature sensor to the water outlet with the clip.

NOTICE:

  • If the engine coolant temperature sensor has been struck or dropped, replace it.
  • Make sure that the O-ring is not cracked or moved out of place when installing the engine coolant temperature sensor.

(c) Connect the engine coolant temperature sensor connector.

2. ADD ENGINE COOLANT

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3. INSPECT FOR COOLANT LEAK

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4. INSTALL V-BANK COVER SUB-ASSEMBLY

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5. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.

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