Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear differential carrier assembly with differential support removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Rear wheel alignment adjustment

Calibration

  • VSC disabled or malfunctioning
  • DTCs are output
  • Slip indicator light illuminated
  • ABS warning light illuminated

Suspension, tires, etc.

(The vehicle height changes because of suspension or tire replacement)

  • Ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent clearance sonar system
  • Intuitive parking assist system (w/ Intelligent Clearance Sonar System)

Rear television camera assembly optical axis (Back camera position setting)

Parking assist monitor system

for Initialization:

for Calibration:

  • Parking assist ECU initialization
  • Adjust steering angle

Panoramic view monitor system

for Initialization:

for Calibration:

Initialize No. 1 headlight ECU sub-assembly LH

Lighting System (w/ Automatic Headlight Beam Level Control System)

Gas leaks from exhaust system

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

CAUTION:

The rear differential carrier assembly with differential support is very heavy. Be sure to follow the procedure described in the repair manual, or the engine lifter may suddenly drop.

*a

Object Exceeding Weight Limit of Engine Lifter

PROCEDURE

1. DRAIN DIFFERENTIAL OIL

(a) Using a 10 mm hexagon wrench, remove the differential inspection plug and gasket.

(b) Using a 10 mm hexagon wrench, remove the rear differential drain plug and gasket to drain the differential oil.

2. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY

Click here

3. REMOVE REAR DRIVE SHAFT ASSEMBLY

(a) Remove the rear drive shaft assembly LH and RH.

Click here

4. REMOVE REAR STABILIZER BAR

w/o Rear No. 2 Seat: Click here

w/ Rear No. 2 Seat: Click here

5. LOOSEN NO. 2 REAR DIFFERENTIAL SUPPORT

HINT:

Loosen the bolts only when removal of the No. 2 rear differential support is required.

(a) Loosen the 2 bolts.

6. REMOVE REAR DIFFERENTIAL CARRIER ASSEMBLY WITH DIFFERENTIAL SUPPORT

NOTICE:

  • Do not damage the contact surface when removing the rear differential carrier assembly with differential support.
  • The remaining oil may leak out when removing the rear differential carrier assembly with differential support.
  • Securely support the rear differential carrier assembly with differential support while performing this step to avoid excessively tilting or dropping the rear differential carrier assembly with differential support.
  • Remove the bolts and nuts with the rear differential carrier assembly with differential support secured.

(a) Disconnect the vacuum hose from the electro magnetic control coupling sub-assembly.

(b) Support the rear differential carrier assembly with differential support with an engine lifter using 3 attachments or equivalent tools as shown in the illustration.

*1

Lower Rear Differential Mount Stopper

*a

Attachment

*b

Engine Lifter

(c) Remove the 2 bolts (A).

(d) Remove the 2 bolts (B), 2 nuts and 2 lower rear differential mount stoppers from the No. 2 rear differential support.

HINT:

The nuts have tabs to prevent them from rotating.

(e) Disconnect the connector and disengage the clamp (A).

*1

Vacuum Hose

*a

Clamp (A)

*b

Clamp (B)

(f) Separate the vacuum hose from the clamp (B).

(g) Slightly lower the rear differential carrier assembly with differential support, remove the vacuum hose from the clamp.

NOTICE:

Do not damage the vacuum hose and electro magnetic control coupling wire harness.

HINT:

Lower the engine lifter to the extent that the vacuum hose can still be removed.

*1

Vacuum Hose

(h) Lower the rear differential carrier assembly with differential support slowly to remove the rear differential carrier assembly with differential support.

NOTICE:

  • Do not damage the vacuum hose and electro magnetic control coupling wire harness.
  • Move the engine lifter forward and backward as necessary to prevent the rear differential carrier assembly with differential support from contacting the rear suspension member sub-assembly.

7. REMOVE DIFFERENTIAL SUPPORT

(a) Remove the 3 bolts and differential support from the rear differential carrier assembly.

8. REMOVE UPPER REAR DIFFERENTIAL MOUNT STOPPER

(a) Remove the 2 upper rear differential mount stoppers from the No. 2 rear differential support.

9. REMOVE NO. 2 REAR DIFFERENTIAL SUPPORT

(a) Remove the 2 bolts, 2 nuts and No. 2 rear differential support.

HINT:

The nuts have tabs to prevent them from rotating.

    Components
    COMPONENTS ILLUSTRATION *1 REAR DIFFERENTIAL DRAIN PLUG *2 DIFFERENTIAL INSPECTION PLUG *3 GASKET - - Tightening torque for "Major areas involving basic vehicle performance ...

    Disassembly
    DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: Before installation, thoroughly clean and dry each part and then apply Toyota Genuine Differential gear oil LT SAE 75W-85 GL-5 or equivalent to them. D ...

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