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

REASSEMBLY

PROCEDURE

1. INSTALL GENERATOR DRIVE END FRAME BEARING

(a) Using SST and a press, install a new generator drive end frame bearing to the generator drive end frame.

SST: 09950-60010

09951-00470

SST: 09950-70010

09951-07100

(b) Fit the tabs of the retainer plate into the cutouts of the generator drive end frame to install the retainer plate.

*a

Tab

*b

Cutout

(c) Install the 4 screws.

Torque:

3.0 N·m {31 kgf·cm, 27 in·lbf}

2. INSTALL GENERATOR ROTOR ASSEMBLY

(a) Place the generator drive end frame on the generator pulley with clutch.

(b) Install the generator rotor assembly to the generator drive end frame.

*1

Generator Rotor Assembly

*2

Generator Drive End Frame

3. INSTALL GENERATOR PULLEY WITH CLUTCH

(a) Temporarily install the generator pulley with clutch to the rotor shaft.

(b) Secure the generator drive end frame in a vise between aluminum plates.

(c) Place the rotor shaft end into SST (A).

SST: 09820-63021

*a

Rotor Shaft

(d) Fit SST (B) to the generator pulley with clutch.

(e) Tighten the generator pulley with clutch by turning SST (B) as shown in the illustration.

Torque:

Specified tightening torque :

80 N·m {816 kgf·cm, 59 ft·lbf}

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here

  • When using SST (fulcrum length of 100 mm (3.94 in.)) + torque wrench (fulcrum length of 400 mm (1.312 ft.)): 64 N*m (653 kgf*cm, 47 ft.*lbf)

*a

Hold

*b

Turn

*c

Length of SST 100 mm (3.94 in.)

*d

Length of Torque Wrench 400 mm (1.312 ft.)

(f) Remove SST (A) and (B) from the generator pulley with clutch.

(g) Check that the generator pulley with clutch rotates smoothly.

(h) Remove the generator drive end frame from the vise.

4. INSTALL GENERATOR COIL ASSEMBLY

(a) Place a new washer on the generator rotor assembly.

NOTICE:

A washer has direction and must be need to put a washer chip for bearing side.

(b) Using a 21 mm socket wrench and press, slowly press the generator coil assembly to install it.

*a

21 mm Socket Wrench

(c) Install the 4 bolts.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

5. INSTALL GENERATOR BRUSH HOLDER ASSEMBLY

(a) While pushing the 2 brushes into the generator brush holder assembly, insert a 1.0 mm (0.0394 in.) pin into the generator brush holder assembly hole.

*a

Pin (1.0 mm)

(b) Install the generator brush holder assembly to the generator coil assembly with the 2 screws.

*a

Pin (1.0 mm)

Pull out

Torque:

1.8 N·m {18 kgf·cm, 16 in·lbf}

(c) Pull out the pin from the generator brush holder assembly hole.

6. INSTALL GENERATOR TERMINAL INSULATOR

(a) Install the generator terminal insulator to the generator coil assembly.

NOTICE:

Be sure to install the generator terminal insulator in the correct direction.

7. INSTALL GENERATOR REAR END COVER

(a) Install the generator rear end cover to the generator coil assembly with the 3 nuts.

Torque:

4.6 N·m {47 kgf·cm, 41 in·lbf}

8. INSTALL GENERATOR PULLEY CAP

(a) Install a new generator pulley cap to the generator pulley with clutch.

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

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