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
	Memorize steering angle neutral point	Panoramic View Monitor System
	Initialize power trunk lid system	Power Trunk Lid System
Replacement of ECM	Vehicle Identification Number (VIN) registration	MIL comes on
Replacement of ECM	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	Perform "Reset Memory". 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.

SEE MORE:

Inspection

INSPECTION PROCEDURE 1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) (a) Install a hose to the PCV valve (ventilation valve sub-assembly). (b) Check PCV valve (ventilation valve sub-assembly) operation. (1) Blow air into the cylinder head sub-assembly side, and check that air passes through ea

Outside Vehicle

OUTSIDE VEHICLE These are maintenance and inspection items that are considered to be the owner's responsibility. The owner can do them or they can have them done at a service center. These items include those that should be checked on a daily basis, those that in most cases

Lexus ES: Disassembly

READ NEXT:

Inspection

Replacement

Reassembly

SEE MORE:

Inspection

Outside Vehicle