Lexus ES manuals

Lexus ES: Disassembly

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / 2gr-fks (engine Mechanical) / Cylinder Head / Disassembly

DISASSEMBLY

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

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System

Pre-collision System

Parking Support Brake System*1

Lighting System

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Initialize power trunk lid system

Power Trunk Lid System

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

ECU communication ID registration (Immobiliser system)

Engine start function

  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor 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 reset memory
  • Input transaxle compensation code into ECM
  • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

for Initialization:

for Registration:

Replacement of ECM

(If transaxle compensation code read from ECM)
  • Perform reset memory*2
  • Transfer transaxle compensation code
  • Perform road test to allow ECM to learn

Replacement of ECM

(If transaxle compensation code not read from ECM)
  • Perform reset memory*2
  • Reset transaxle compensation code
  • Perform road test to allow ECM to learn

Replacement of ECM

Code registration (Smart access system with push-button start (for Start Function, Gasoline Model)
  • Wireless Door Lock Control System
  • Smart Access System with Push-button Start (for Entry Function, Gasoline Model)
  • Smart Access System with Push-button Start (for Start Function, Gasoline Model)
  • Steering lock function
  • Telematics System

Replacement of automatic transaxle fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

Suspension, tires, etc.

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

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

Parking assist monitor system

for Initialization:

for Calibration:

Perform headlight ECU sub-assembly LH initialization

Lighting system

Front wheel alignment adjustment
  1. Perform "Reset Memory".
  2. Perform acceleration sensor zero point calibration and store system information memorization.
  • VSC is disabled or malfunctions
  • DTCs are output
  • Slip indicator light illuminates
  • ABS warning light illuminates

  • Replacement of front television camera assembly
  • Replacement of front bumper assembly
  • Replacement of radiator grille

Front television camera view adjustment

Panoramic View Monitor System

for Initialization

for Calibration

Replacement of front bumper assembly
  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Parking Support Alert System
  • Parking Support Brake System

  • *1: When performing learning using the Techstream.

    Click here

  • *2: Not necessary when ECM replaced with new one

NOTICE:

  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System)
  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)

PROCEDURE

1. REMOVE INTAKE VALVE

(a) Using SST and wooden blocks, compress the inner compression spring and remove the 6 valve spring retainer locks from the valve spring retainer.

SST: 09202-70020

09202-01010

09202-01020

SST: 09202-00021

HINT:

Arrange the removed parts in such a way that they can be reinstalled to their original locations.

*a

Wooden Block

(b) Remove the 6 valve spring retainers, 6 inner compression springs and 6 intake valves from the cylinder head LH.

HINT:

Arrange the removed parts in such a way that they can be reinstalled to their original locations.

2. REMOVE EXHAUST VALVE

(a) Using SST and wooden blocks, compress the inner compression spring and remove the 6 valve spring retainer locks from the valve spring retainer.

SST: 09202-70020

09202-01010

09202-01020

SST: 09202-00021

HINT:

Arrange the removed parts in such a way that they can be reinstalled to their original locations.

*a

Wooden Block

(b) Remove the 6 valve spring retainers, 6 inner compression springs and 6 exhaust valves from the cylinder head LH.

HINT:

Arrange the removed parts in such a way that they can be reinstalled to their original locations.

3. REMOVE INTAKE VALVE STEM OIL SEAL

(a) Using needle-nose pliers, remove the 6 intake valve stem oil seals from the intake valve guide bush.

4. REMOVE EXHAUST VALVE STEM OIL SEAL

HINT:

Use the same procedure as for the intake side.

5. REMOVE VALVE SPRING SEAT

(a) Using compressed air and a Magnet Hand, remove the 12 valve spring seats by blowing air onto them from the cylinder head LH.

HINT:

Arrange the removed parts in such a way that they can be reinstalled to their original locations.

6. REMOVE NO. 1 STRAIGHT SCREW PLUG

NOTICE:

If coolant leaks from a No. 1 straight screw plug or a plug is corroded, replace it.

(a) Using a 10 mm hexagon socket wrench, remove the 2 No. 1 straight screw plugs and 2 water hole gaskets from the cylinder head LH.

7. REMOVE NO. 2 STRAIGHT SCREW PLUG

NOTICE:

If coolant leaks from a No. 2 straight screw plug or a plug is corroded, replace it.

(a) Using a 14 mm hexagon wrench, remove the No. 2 straight screw plug and cylinder head screw plug gasket from the cylinder head LH.

8. REMOVE NO. 3 STRAIGHT SCREW PLUG

NOTICE:

If coolant leaks from a No. 3 straight screw plug or a plug is corroded, replace it.

(a) Using a 10 mm hexagon socket wrench, remove the 4 No. 3 straight screw plugs and 4 cylinder head screw plug gaskets from the cylinder head LH.

READ NEXT:

 Inspection

INSPECTION CAUTION / NOTICE / HINT HINT: Use the same procedure for bank 1 and bank 2. The following procedure is for bank 2. PROCEDURE 1. INSPECT CYLINDER HEAD LH (a) Using a precision straig

 Replacement

REPLACEMENT CAUTION / NOTICE / HINT HINT: Use the same procedure for bank 1 and bank 2. The following procedure is for bank 2. PROCEDURE 1. REPLACE INTAKE VALVE GUIDE BUSH (a) Heat the cylinde

 Reassembly

REASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for bank 1 and bank 2. The following procedure is for bank 2. PROCEDURE 1. INSTALL SPARK PLUG TUBE HINT: When using a new cylind

SEE MORE:

 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 trailing arm assembly removal/installation are shown below. Necessary Procedures After Parts Remov

 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c)

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