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.
Click here
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

Click here

5. ADD ENGINE COOLANT

Click here

6. INSPECT FOR COOLANT LEAK

Click here

SEE MORE:

ECU Power Source Circuit

DESCRIPTION If the power switch is on (IG), the hybrid vehicle control ECU applies current to the MREL terminal to turn the IGCT relay on. This supplies power to the +B1 and +B2 terminals. WIRING DIAGRAM Refer to the wiring diagram for DTC P0A08-264. Click here PROCEDURE 1. CHECK HYBRID VE

Inspection

INSPECTION PROCEDURE 1. INSPECT REAR HEADER SPEAKER ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 - 2 Always 7.0 to 10.6 Ω If the result is not as specified, replace the

Lexus NX: Installation

READ NEXT:

2ar-fxe (emission Control)

Canister

Components

SEE MORE:

ECU Power Source Circuit

Inspection