THERMOSTAT(for Cylinder Block) 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 thermostat (for Cylinder Block) removal/installation are shown below.

Necessary Procedures 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	Memorize steering angle neutral point	LKA /LDA system	Click here
		Intelligent clearance sonar system*1
		Pre-crash safety system
		Lighting system (EXT) Cornering lights
		Adaptive high beam system
	Drive the vehicle until stop and start control is permitted (approximately 15 to 60 minutes)	Stop and start system	Click here
	Memorize steering angle neutral point	Parking assist monitor system (w/ Parallel parking assist function)	Click here
		Parking assist monitor system (w/o Parallel parking assist function)	Click here
		Panoramic view monitor system	Click here
	Initialize back door lock	Power door lock control system	Click here
	Reset back door close position	Power back door system	Click here
Front television camera assembly Front bumper assembly Radiator grille	Front television camera view adjustment	Panoramic view monitor system	Click here for Initialization Click here for Calibration
Front bumper assembly (w/ Intelligent clearance sonar system)	Ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Intelligent clearance sonar system LEXUS parking assist-sensor system	Click here
Replacement of air fuel ratio sensor Gas leaks from exhaust system	Inspection After Repair	Poor idle, etc. Engine start function, etc.	Click here

*1: When performing learning using the GTS.

Click here

PROCEDURE

DRAIN ENGINE COOLANT

Click here
REMOVE TURBOCHARGER SUB-ASSEMBLY

Click here
DISCONNECT NO. 2 RADIATOR HOSE

Click here
REMOVE COMPRESSOR ASSEMBLY WITH PULLEY

Click here
REMOVE NO. 1 COMPRESSOR MOUNTING BRACKET
1. Remove the 2 bolts, 2 nuts and No. 1 compressor mounting bracket.
REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
1. Remove the engine oil level dipstick.
2. Remove the 2 bolts and engine oil level dipstick guide.
3. Remove the O-ring from the engine oil level dipstick guide.
REMOVE NO. 3 EXHAUST MANIFOLD HEAT INSULATOR
1. Remove the 2 bolts and No. 3 exhaust manifold heat insulator.
REMOVE NO. 4 EXHAUST MANIFOLD HEAT INSULATOR
1. Remove the 2 bolts and No. 4 exhaust manifold heat insulator.

REMOVE NO. 1 WATER BY-PASS PIPE

*1	Water Hose Sub-assembly
*2	No. 2 Water By-pass Hose
*3	No. 7 Water By-pass Hose

Slide the clip and disconnect the water hose sub-assembly from the No. 1 water by-pass pipe.

Slide the clip and disconnect the No. 2 water by-pass hose from the No. 1 water by-pass pipe.
Slide the clip and disconnect the No. 7 water by-pass hose from the No. 1 water by-pass pipe.
Slide the clip and disconnect the No. 5 water by-pass hose from the No. 1 water by-pass pipe.
Disconnect the oil pressure switching valve assembly connector.
Remove the 3 bolts, 2 nuts, No. 1 water by-pass pipe and gasket.

REMOVE NO. 4 WATER BY-PASS PIPE
1. Slide the clip and disconnect the No. 4 water by-pass hose from the No. 4 water by-pass pipe.
2. Remove the bolt, 2 nuts, No. 4 water by-pass pipe and gasket.
REMOVE WATER INLET HOUSING
1. Remove the 4 bolts, nut, water inlet housing and 3 gaskets.
REMOVE THERMOSTAT (for Cylinder Block)
1. Remove the thermostat (for Cylinder Block) from the cylinder block assembly.
2. Remove the gasket from the thermostat (for Cylinder Block).