Removal [08/2023 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY
Refer to PROCEDURE - Step 1

REMOVE FRONT FLOOR COVER LH

for PHEV Model:
Refer to PROCEDURE - Step 35
for HEV Model:
Refer to PROCEDURE - Step 4

REMOVE ENGINE UNDER COVER HEAT INSULATOR (for PHEV Model)

Refer to PROCEDURE - Step 14
DRAIN ENGINE COOLANT (for Engine [for HEV Model])
Refer to PROCEDURE - Step 4

REMOVE FRONT EXHAUST PIPE ASSEMBLY

WARNING:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

for HEV Model

GTY1132227

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

GTY1205392

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*A

for PHEV Model

*B

for HEV Model

REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY (for HEV Model)
Refer to REMOVAL [10/2022 - ]
REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY (for HEV Model)
Refer to PROCEDURE - Step 3
REMOVE AIR FUEL RATIO SENSOR (for Sensor 1)
Refer to REMOVAL [08/2023 - ]
REMOVE HEATER AND ACCESSORY SUB-ASSEMBLY (for PHEV Model)
Refer to PROCEDURE - Step 6

DISCONNECT LIQUID TUBE SUB-ASSEMBLY A w/ DISCHARGE TUBE (for PHEV Model)

GTY1204337

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the 2 bolts and disconnect the liquid tube sub-assembly A w/ discharge tube.
Remove the O-ring from the liquid tube sub-assembly A w/ discharge tube.
NOTE:
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

REMOVE WIRING HARNESS CLAMP BRACKET

WARNING:

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

GTY1131972

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

SEPARATE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

WARNING:

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

GTY1131971

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

SEPARATE NO. 1 FRONT FLOOR HEAT INSULATOR

WARNING:

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

GTY1206015

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*A

for PHEV Model

*B

for HEV Model

REMOVE MANIFOLD STAY

WARNING:

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

GTY1080169

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

REMOVE EXHAUST MANIFOLD

WARNING:

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

GTY1206136

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*A	for PHEV Model	*B	for HEV Model
*1	No. 1 Exhaust Manifold Heat Insulator	*2	Exhaust Manifold
*3	No. 1 front floor heat insulator	-	-

Remove the 7 nuts and separate the exhaust manifold from the cylinder head sub-assembly.
Remove the No. 1 front floor heat insulator, No. 1 exhaust manifold heat insulator and exhaust manifold.

REMOVE EXHAUST MANIFOLD TO HEAD GASKET

GTY1129928

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR

GTY1131968

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002