Removal [08/2023 - 10/2024]: 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.

PERFORM RESOLVER INITIALIZATION

NOTE:

If it is necessary to replace the hybrid vehicle transaxle assembly, make sure to perform resolver initialization before starting work.

for HEV Model:
Refer to UTILITY [10/2022 - ]
for PHEV Model:
Refer to UTILITY [08/2023 - ]

REMOVE ENGINE ASSEMBLY WITH TRANSAXLE
- for HEV Model:
  Refer to REMOVAL [10/2022 - 10/2024]
- for PHEV Model:
  Refer to REMOVAL [08/2023 - ]
REMOVE FUEL DELIVERY GUARD
- for HEV Model:
  Refer to PROCEDURE - Step 43
- for PHEV Model:
  Refer to PROCEDURE - Step 44

INSTALL ENGINE HANGERS

for HEV Model:
Refer to PROCEDURE - Step 44
for PHEV Model:
Refer to PROCEDURE - Step 45

REMOVE STEERING GEAR HEAT INSULATOR
Refer to PROCEDURE - Step 13

DISCONNECT ENGINE WIRE

NOTE:

Cover the hole where the shift control actuator assembly was installed with tape or equivalent (non-residue type) to prevent entry of foreign matter, water, etc.

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Disconnect the wire harness connector from the rack and pinion power steering gear assembly.
HINT:

Release the lock before rotating the lock lever.
Remove the 2 bolts to disconnect the engine wire.
Disengage the 6 clamps to disconnect the engine wire.

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*A

for PHEV Model

*B

for HEV Model

DISCONNECT HV AIR CONDITIONING WIRE

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REMOVE TRANSAXLE UNDER STOPPER BRACKET

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REMOVE NO. 2 TRANSMISSION OIL COOLER HOSE ASSEMBLY

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REMOVE NO. 1 MOTOR COOLING PIPE

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Loosen the flare nut of the No. 1 motor cooling pipe and disconnect the No. 1 motor cooling pipe from the union.
Remove the bolt, No. 2 oil cooler tube clamp and No. 1 motor cooling pipe from the No. 2 motor cooling pipe.

REMOVE WIRE HARNESS CLAMP BRACKET
See step 7
REMOVE OIL PUMP WITH MOTOR ASSEMBLY
See step 8

REMOVE FLYWHEEL HOUSING SIDE COVER

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REMOVE FRONT FRAME ASSEMBLY
Refer to PROCEDURE - Step 8
REMOVE FRONT ENGINE MOUNTING INSULATOR
- for HEV Model:
  Refer to PROCEDURE - Step 54
- for PHEV Model:
  Refer to PROCEDURE - Step 55

REMOVE FRONT ENGINE MOUNTING BRACKET

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REMOVE REAR ENGINE MOUNTING INSULATOR
- for HEV Model:
  Refer to PROCEDURE - Step 55
- for PHEV Model:
  Refer to PROCEDURE - Step 56

REMOVE REAR ENGINE MOUNTING BRACKET

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REMOVE HYBRID VEHICLE TRANSAXLE ASSEMBLY

NOTE:

To avoid damaging the knock pins, do not pry between the hybrid vehicle transaxle assembly and engine assembly.
To prevent the splines of the transmission input damper assembly from becoming misaligned, do not allow the hybrid vehicle transaxle assembly to hit the transmission input damper assembly during hybrid vehicle transaxle assembly removal and installation.

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REMOVE CONNECTOR COVER

See step 2
REMOVE TERMINAL CAP

See step 3
REMOVE MOTOR CABLE

See step 4

REMOVE NO. 4 MOTOR COOLING PIPE (w/o Water Cooled)

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REMOVE MOTOR COOLING COOLER (w/ Water Cooled)

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REMOVE NO. 2 TRANSMISSION OIL COOLER BRACKET

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REMOVE NO. 2 MOTOR COOLING PIPE

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REMOVE NO. 3 INVERTER BRACKET

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REMOVE WIRE HARNESS CLAMP BRACKET

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REMOVE TRANSAXLE HOUSING PLUG

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REMOVE STUD BOLT

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Using an E10 "TORX" socket wrench, remove the 2 stud bolts from the hybrid vehicle transaxle assembly.

REMOVE TRANSAXLE BREATHER PLUG

HINT:

Perform this procedure only when replacement of the transaxle breather plug is necessary.

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REMOVE TRANSAXLE HOUSING TUBE CONNECTOR

HINT:

Perform this procedure only when replacement of the transaxle housing tube connector or O-ring is necessary.

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