Removal [10/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus RX 500h, 2024 Lexus RX 500h, and 2023 Lexus RX 500h. However, it is still accessible from the selected car via links, so may be relevant.
- REMOVE FRONT WHEEL OPENING EXTENSION PAD LH
Refer to PROCEDURE - Step 7
- REMOVE FRONT WHEEL OPENING EXTENSION PAD RH
Refer to PROCEDURE - Step 8
- REMOVE NO. 1 ENGINE UNDER COVER
Refer to PROCEDURE - Step 9
- REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY
Refer to PROCEDURE - Step 10
- REMOVE FRONT FENDER APRON SEAL LH
Refer to PROCEDURE - Step 11
- DRAIN HYBRID TRANSAXLE FLUID
*1 Overflow Plug *2 Gasket *3 No. 1 Transmission Oil Filler Tube - - - Using a 10 mm hexagon socket wrench, remove the overflow plug and gasket from the transaxle assembly with motor and inverter.
- Using a 6 mm hexagon socket wrench, remove the No. 1 transmission oil filler tube from the transaxle assembly with motor and inverter and drain the hybrid transaxle fluid.
- Using a 6 mm hexagon socket wrench, install the No. 1 transmission oil filler tube to the transaxle assembly with motor and inverter.
Torque: 0.8 N.m (8 kgf/cm, 7 in.lbf)
- Using a 10 mm hexagon socket wrench, temporarily install the gasket and overflow plug to the transaxle assembly with motor and inverter.
HINT:
Gasket replacement and tightening of the overflow plug are performed after the hybrid transaxle fluid level is adjusted.
- REMOVE MOTOR COOLING COOLER
Refer to REMOVAL [10/2022 - ]
- REMOVE INVERTER WATER PUMP ASSEMBLY(with Motor)
Refer to REMOVAL [10/2022 - ]
- DISCONNECT ENGINE WIRE
- REMOVE HV WATER PUMP BRACKET
See step 14
- REMOVE NO. 1 TRANSMISSION OIL COOLER BRACKET
- REMOVE AUTOMATIC TRANSMISSION CASE COVER
- REMOVE TRANSMISSION VALVE BODY ASSEMBLY
- Using a screwdriver, disconnect the 14 solenoid valve connectors of each of the solenoid valves as shown in the illustration.NOTE:
Do not damage the solenoid valves or solenoid valve connectors.
- Disconnect the temperature sensor connector.
- Disengage the 2 clamps.
- Using a screwdriver, disconnect the 14 solenoid valve connectors of each of the solenoid valves as shown in the illustration.
Bolt Gasket and Oil Seal Ring Gasket - - - Remove the 10 bolts and transmission valve body assembly from the transmission case sub-assembly.
- Remove the 5 gaskets and 2 oil seal rings from the transmission case sub-assembly.