Removal [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.
- REMOVE FRONT SUSPENSION MEMBER BRACE SUB-ASSEMBLY
Refer to PROCEDURE - Step 13
- REMOVE NO. 2 ENGINE UNDER COVER
Refer to PROCEDURE - Step 15
- DRAIN AUTOMATIC TRANSMISSION FLUID
- Remove the drain plug and gasket from the automatic transmission assembly and drain the ATF.
- Install a new gasket and the drain plug to automatic transmission assembly.
Torque: 20 N.m (204 kgf/cm, 15 ft.lbf)
- REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET SUB-ASSEMBLY
- Remove the 4 bolts, 2 nuts and No. 1 exhaust pipe support bracket sub-assembly from the exhaust manifold sub-assembly LH (TWC: Front Catalyst), exhaust manifold sub-assembly RH (TWC: Front Catalyst) and automatic transmission assembly.
*a Nut HINT:
When removing the exhaust pipe bolts, hold the nuts while loosening the bolts.
- Remove the 4 bolts, 2 nuts and No. 1 exhaust pipe support bracket sub-assembly from the exhaust manifold sub-assembly LH (TWC: Front Catalyst), exhaust manifold sub-assembly RH (TWC: Front Catalyst) and automatic transmission assembly.
- REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY
- Remove the 9 bolts, automatic transmission oil pan sub-assembly and automatic transmission oil pan gasket from the automatic transmission case sub-assembly.NOTE:
Some fluid will remain in the automatic transmission oil pan sub-assembly. Remove all of the bolts, and carefully remove the automatic transmission oil pan sub-assembly.
- Remove the 3 transmission oil cleaner magnets from the automatic transmission oil pan sub-assembly.
*1 Transmission Oil Cleaner Magnet - Examine the particles in the automatic transmission oil pan sub-assembly.
- Use the removed transmission oil cleaner magnets to collect any steel chips.
Examine the chips and particles in the automatic transmission oil pan sub-assembly and on the transmission oil cleaner magnets to determine what type of wear might be found in the automatic transmission assembly.
Result
Steel (magnetic):
Bearing, gear and clutch plate wear
Brass (non-magnetic):
Bushing wear
- Use the removed transmission oil cleaner magnets to collect any steel chips.
- Remove the 9 bolts, automatic transmission oil pan sub-assembly and automatic transmission oil pan gasket from the automatic transmission case sub-assembly.
- REMOVE VALVE BODY OIL STRAINER ASSEMBLY
- REMOVE TRANSMISSION VALVE BODY ASSEMBLY
*1 Lock Plate *a ATF Temperature Sensor *b Oil Pressure Switch - Remove the bolt and lock plate, and disconnect the ATF temperature sensor.
- Disconnect the oil pressure switch connector.
- Disconnect the 9 shift solenoid valve connectors.
- Remove the bolt, detent spring cover and detent spring from the transmission valve body assembly.
*1 Detent Spring Cover *2 Detent Spring - Remove the 17 bolts and transmission valve body assembly from the automatic transmission case sub-assembly.
- Disconnect the manual valve connecting rod from the manual valve lever sub-assembly.
*1 Manual Valve Connecting Rod *2 Manual Valve Lever Sub-assembly - Remove the check ball body and spring from the automatic transmission case sub-assembly.
*1 Check Ball Body *2 Spring