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

REPLACEMENT

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during transaxle case oil seal and front drive shaft oil seal RH removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*1: When performing learning using the Techstream.

Click here

Battery terminal is disconnected/reconnected

Memorize steering angle neutral point

Lane Control System

Pre-collision System

Intelligent Clearance Sonar System*1

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

Parking Assist Monitor System

Panoramic View Monitor System

Initialize back door lock

Power Door Lock Control System

Reset back door close position

Power Back Door System (w/ Outside Door Control Switch)

Replacement of automatic transaxle assembly

Perform the following procedures in the order shown:

  1. Input transaxle compensation code into ECM
  2. Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

for Initialization

for Registration

Replacement of ECM

(If possible, read the transaxle compensation code from the previous ECM)

Perform the following procedures in the order shown:

  1. Transfer transaxle compensation code
  2. Perform road test to allow ECM to learn

Replacement of ECM

(If impossible, read the transaxle compensation code from the previous ECM)

Perform the following procedures in the order shown:

  1. Reset transaxle compensation code
  2. Perform road test to allow ECM to learn

Front wheel alignment adjustment

Calibration

  • VSC disabled or malfunctions
  • DTCs are stored
  • Slip indicator light illuminates
  • ABS warning light illuminates

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)

Replacement of throttle body with motor assembly

Inspection After Repair

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

Cleaning the deposits from the throttle body with motor assembly

Air leaks from intake system is repaired

Gas leak from exhaust system is repaired

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

ECU communication ID registration (Immobiliser system)

Engine start function

Perform code registration (Immobiliser system)

  • Wireless door lock control system
  • Smart access system with push-button start
  • Engine start function
  • Steering lock system
  • Telematics system

CAUTION:

The automatic transaxle assembly is very heavy. Be sure to follow the procedure described in the repair manual, or the transmission jack may suddenly drop.

*a

Object Exceeding Weight Limit of Transmission Jack

PROCEDURE

1. PRECAUTION

NOTICE:

If automatic transaxle assembly parts are replaced, refer to Parts Replacement Compensation Table to determine if any additional operations are necessary.

Click here

2. REMOVE TRANSFER ASSEMBLY

Click here

3. REMOVE TRANSAXLE CASE OIL SEAL

(a) Using a screwdriver with its tip wrapped with protective tape, remove the transaxle case oil seal from the transaxle housing.

NOTICE:

Be careful not to damage the front differential case or transaxle housing.

*a

Protective Tape

4. REMOVE FRONT DRIVE SHAFT OIL SEAL RH

(a) Using SST, remove the front drive shaft oil seal RH from the front differential case.

SST: 09308-00010

NOTICE:

Be careful not to damage the front differential case.

5. INSTALL FRONT DRIVE SHAFT OIL SEAL RH

(a) Coat the lip of a new front drive shaft oil seal RH with MP grease.

*a

Depth

(b) Using SST and a hammer, install the front drive shaft oil seal RH to the front differential case.

SST: 09950-60010

09951-00410

SST: 09950-70010

09951-07200

Standard Depth:

21.5 to 22.5 mm (0.846 to 0.886 in.)

NOTICE:

Do not damage the lip of the front drive shaft oil seal RH.

6. INSTALL TRANSAXLE CASE OIL SEAL

(a) Coat the lip of a new transaxle case oil seal with MP grease.

(b) Using SST and a hammer, install the transaxle case oil seal to the transaxle housing.

SST: 09649-17010

SST: 09950-70010

09951-07200

Standard Depth:

5.5 to 6.5 mm (0.217 to 0.256 in.)

NOTICE:

  • Make sure that the transaxle case oil seal is installed in the correct direction.
  • Do not damage the lip of the transaxle case oil seal.

*a

Depth

7. INSTALL TRANSFER ASSEMBLY

Click here

    Components
    COMPONENTS ILLUSTRATION *1 FRONT DRIVE SHAFT OIL SEAL RH *2 TRANSAXLE CASE OIL SEAL ● Non-reusable part MP grease ...

    Oil Pump
    ...

    Other materials:

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

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

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