Lexus NX: 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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