Lexus ES: Removal

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / 2gr-fks (cooling) / Water Pump / 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 water pump assembly 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
Gas leak from exhaust system is repaired	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

*1: When performing learning using the Techstream.
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*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 WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

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2. REMOVE V-RIBBED BELT

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3. REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY

(a) Remove the bolt and No. 2 idler pulley sub-assembly.

4. REMOVE WATER PUMP PULLEY

(a) Using a screwdriver or equivalent with its tip wrapped in protective tape, hold the water pump pulley.

*a	Protective Tape
*b	Hold
*c	Turn

(b) Remove the 4 bolts and water pump pulley.

5. REMOVE ENGINE WATER PUMP ASSEMBLY

(a) Remove the 15 bolts, engine water pump assembly and water pump gasket.

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Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for Gasoline Model)

Installation

INSTALLATION PROCEDURE 1. INSTALL REAR NO. 1 DIFFERENTIAL MOUNT CUSHION (a) Using SST, install a new rear No. 1 differential mount cushion. SST: 09316-12010 SST: 09570-24011 *1 Rear Suspension Member Sub-assembly - - *a -3° to 3° *b 9.8 to 10.8 mm (0.3858 to 0.4252 in.) *c

Lexus ES: Removal

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Installation

2gr-fks (emission Control)

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Precaution

Installation