Lexus NX: Installation

Lexus NX Service Manual / Engine & Hybrid System / 2ar-fxe (cooling) / Water Pump / Installation

INSTALLATION

PROCEDURE

1. INSTALL ENGINE WATER PUMP ASSEMBLY

(a) Install a new gasket and the engine water pump assembly with the 5 bolts in the order shown in the illustration.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

2. INSTALL V-RIBBED BELT TENSIONER ASSEMBLY

(a) Using a 12 mm union nut wrench, install the V-ribbed belt tensioner assembly with the bolt.

Torque:

Specified tightening torque

21 N*m {214 kgf*cm, 15 ft.*lbf}

HINT:

Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.
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When using a union nut wrench (fulcrum length of 20 mm (0.787 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 18.9 N*m (193 kgf*cm, 14 ft.*lbf)

*a	Torque Wrench Fulcrum Length

3. INSTALL RADIATOR RESERVE TANK ASSEMBLY

(a) Install the radiator reserve tank assembly with the 2 bolts.

Torque:

5.0 N·m {51 kgf·cm, 44 in·lbf}

(b) Connect the water by-pass hose and No. 2 water by-pass hose to the radiator reserve tank assembly, and slide the 2 clamps to secure the hoses.

4. INSTALL FAN AND GENERATOR V BELT

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5. ADD ENGINE COOLANT

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6. INSPECT FOR COOLANT LEAK

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Installation

INSTALLATION PROCEDURE 1. INSTALL MULTIPLEX NETWORK BODY ECU (MAIN BODY ECU) NOTICE: Make sure that no foreign matter gets on the connecting surfaces. Do not touch the ECU connector. (a) Insert the multiplex network body ECU (main body ECU) up to the position where it contacts the housing si

Terminals Of Ecu

TERMINALS OF ECU COMBINATION METER ASSEMBLY (a) Measure the voltage, resistance and waveform according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition I10-2 (MSM+) - Body ground L - Body ground Steering pad

Lexus NX: Installation

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2ar-fxe (emission Control)

Canister

Components

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Installation

Terminals Of Ecu