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 REAR NO. 2 FLOOR BOARD SUB-ASSEMBLY
Refer to PROCEDURE - Step 2
REMOVE REAR NO. 1 FLOOR BOARD SUB-ASSEMBLY
Refer to PROCEDURE - Step 3
REMOVE FRONT CENTER FLOOR BRACE
Refer to PROCEDURE - Step 6

DISCONNECT HEATED OXYGEN SENSOR

for Bank 1:

Disengage the heated oxygen sensor grommet from the vehicle body.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using SST, disconnect the heated oxygen sensor from the front exhaust pipe assembly (TWC: Rear Catalyst).
- SST: 09224-00011
NOTE:
Be careful not to drop the heated oxygen sensor.

for Bank 2:

Disengage the heated oxygen sensor grommet from the vehicle body.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using SST, disconnect the heated oxygen sensor from the front exhaust pipe assembly (TWC: Rear Catalyst).
- SST: 09224-00011
NOTE:
Be careful not to drop the heated oxygen sensor.

REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)

Remove the 4 bolts and 4 nuts to disconnect the front exhaust pipe assembly (TWC: Rear Catalyst).

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the 4 bolts, 4 compression springs and front exhaust pipe assembly (TWC: Rear Catalyst) from the tail exhaust pipe LH and tail exhaust pipe assembly.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the 4 exhaust pipe gaskets from the front exhaust pipe assembly (TWC: Rear Catalyst).

DISCONNECT TAIL EXHAUST PIPE LH

Disconnect the tail exhaust pipe LH from the 3 exhaust pipe supports.

NOTE:

Protect the rear bumper assembly using protection material such as a piece of cloth to avoid damage by the tail exhaust pipe baffle sub-assemblies.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

DISCONNECT TAIL EXHAUST PIPE ASSEMBLY

Disconnect the tail exhaust pipe assembly from the 3 exhaust pipe supports.

NOTE:

Protect the rear bumper assembly using protection material such as a piece of cloth to avoid damage by the tail exhaust pipe baffle sub-assemblies.

REMOVE TAIL EXHAUST PIPE BAFFLE SUB-ASSEMBLY

HINT:

Perform this procedure only when replacement of the tail exhaust pipe baffle sub-assembly is necessary.
If the tail exhaust pipe baffle sub-assembly is removed, replace it with a new one.

Using a plastic hammer, remove the 4 tail exhaust pipe baffle sub-assemblies from the tail exhaust pipe assembly and tail exhaust pipe LH.

*a	Plastic Hammer