Lexus NX: Installation

INSTALLATION

PROCEDURE

1. INSTALL HV WATER PUMP BRACKET SUB-ASSEMBLY

(a) Temporarily install the HV water pump bracket sub-assembly to the inverter bracket with bolt A.

*a Bolt A *b Bolt B

(b) Install bolt B.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(c) Tighten bolt A.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

2. INSTALL WATER PUMP WITH MOTOR

(a) Connect the No. 2 inverter cooling hose and No. 3 inverter cooling hose to the water pump with motor, and slide the clamp to secure it. NOTICE: Until immediately before connecting the water hose, plug the pipe with vinyl tape, etc. to prevent foreign matter from entering the water pump with motor. Align the rib of the water pump with motor with the matchmark on the water hose side. Insert the water hose securely up to the rib of the water pump with motor. Align the clamp at the position shown in the illustration.

*a Rib *b Matchmark *c 180° *d 90° *e Rear of Vehicle *f Right Side of the Vehicle *g Top

(b) Install the water pump with motor with the 3 bolts.

Torque:

6.1 N·m {62 kgf·cm, 54 in·lbf}

HINT:

First, temporarily install the 2 bolts, install the 3rd bolt with the specified torque, and then tighten the 2 bolts.

(c) Connect the water pump with motor connector.

3. CONNECT NO. 2 INVERTER COOLING HOSE ASSEMBLY

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4. INSTALL UPPER RADIATOR SUPPORT SUB-ASSEMBLY

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5. ADD COOLANT (for Inverter Coolant)

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6. INSPECT FOR COOLANT LEAK (for Inverter Coolant)

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7. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY

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