Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Engine & Hybrid System / 2gr-fks (engine Mechanical) / Engine Unit / 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 engine unit removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
*1: When performing learning using the Techstream.

Click here

Disconnect cable from negative battery terminal

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 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

  • Replacement of engine assembly
  • Replacement of cylinder head sub-assembly
  • Replacement of camshaft (for intake or exhaust camshaft)
  • Replacement of camshaft timing gear assembly
  • Replacement of camshaft timing exhaust gear assembly
  • Replacement of fuel injector assembly (for port injection)
  • Replacement of fuel injector assembly (for direct injection)
  • Replacement of fuel pump assembly (for high pressure side)
  • Replacement of engine coolant temperature sensor
  • Replacement of spark plug
  • Replacement of ignition coil assembly
  • Air leaks from intake system
  • Gas leak from exhaust system is repaired
  • Replacement of knock control sensor

Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.

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 U881E Registration:

for U881E Initialization:

for U881F Registration:

for U881F Initialization:

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)

PROCEDURE

1. REMOVE KNOCK CONTROL SENSOR

Click here

2. REMOVE SENSOR WIRE

(a) Disengage the 2 clamps and remove the bolt and sensor wire from the water inlet pipe.

3. REMOVE IGNITION COIL ASSEMBLY

Click here

4. REMOVE VACUUM PUMP ASSEMBLY

Click here

5. REMOVE NO. 3 WATER BY-PASS HOSE

(a) Slide the clip and remove the No. 3 water by-pass hose from the water inlet pipe.

6. REMOVE NO. 2 WATER BY-PASS HOSE

(a) Slide the clip and remove the No. 2 water by-pass hose from the water outlet.

7. REMOVE VENTILATION HOSE

(a) Slide the clip and remove the ventilation hose from the PCV valve (ventilation valve sub-assembly).

8. REMOVE NO. 2 VENTILATION HOSE

(a) Slide the clip and remove the No. 2 ventilation hose from the cylinder head cover sub-assembly.

9. REMOVE V-RIBBED BELT

Click here

10. REMOVE GENERATOR ASSEMBLY

  • for 180A Type:

    Click here

  • for 150A Type:

    Click here

11. REMOVE COMPRESSOR AND MAGNETIC CLUTCH

Click here

12. REMOVE NO. 1 COMPRESSOR MOUNTING BRACKET

(a) Remove the 2 bolts and No. 1 compressor mounting bracket from the cylinder block sub-assembly.

13. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY

Click here

14. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY

(a) Remove the 2 bolts and V-ribbed belt tensioner assembly.

15. REMOVE WATER PUMP PULLEY

Click here

16. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE

(a) Remove the engine oil level dipstick from the engine oil level dipstick guide.

(b) Remove the bolt and engine oil level dipstick guide from the camshaft housing sub-assembly LH and oil pan sub-assembly.

(c) Remove the engine oil level dipstick guide O-ring from the engine oil level dipstick guide.

17. REMOVE NO. 5 CYLINDER BLOCK INSULATOR (w/ Oil Cooler)

(a) Remove the No. 5 cylinder block insulator from the engine assembly.

18. REMOVE DRIVE SHAFT BEARING BRACKET (for 2WD)

(a) Remove the 3 bolts and drive shaft bearing bracket from the cylinder block sub-assembly.

19. REMOVE NO. 2 TRANSFER STIFFENER PLATE (for AWD)

(a) Remove the 3 bolts and No. 2 transfer stiffener plate from the cylinder block sub-assembly.

*A

Type A

*B

Type B

20. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET

(a) Remove the 2 bolts and No. 1 exhaust pipe support bracket from the oil pan sub-assembly.

21. REMOVE WIRE HARNESS CLAMP BRACKET

(a) Remove the bolt and wire harness clamp bracket from the camshaft housing sub-assembly.

22. REMOVE RADIATOR PIPE CLAMP

(a) Remove the bolt and radiator pipe clamp from the camshaft housing sub-assembly LH.

23. REMOVE STUD BOLT

NOTICE:

If a stud bolt is deformed or its threads are damaged, replace it.

(a) Using an 8 mm socket wrench, remove the stud bolt from the front No. 1 engine mounting bracket LH.
    Components
    COMPONENTS ILLUSTRATION *A for 2WD *B for AWD *C Type A *D Type B *E w/ Oil Cooler - - *1 IGNITION COIL ASSEMBLY *2 VACUUM PUMP ASSEMBLY *3 NO. 2 WATER BY ...

    Inspection
    INSPECTION PROCEDURE 1. INSPECT NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY (a) Turn the roller by hand to check that it turns smoothly. HINT: If the roller does not turn smoothly, replace the No. 1 valve ...

    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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