Caution / Notice / Hint

WARNING: This page is about a different car, the 2025 Toyota Corolla Cross, 2024 Toyota Corolla Cross, and 2023 Toyota Corolla Cross. However, it is still accessible from the selected car via links, so may be relevant.

COMPONENTS (REMOVAL)

Fig 1: Exhaust Manifold Removal Components (1 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1	FRONT FLOOR CENTER BRACE	57533B	-	-	-
2	FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)	17410	See step 2	-	-

•

Non-reusable part

Fig 2: Exhaust Manifold Removal Components (2 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3	FRONT NO. 1 FLOOR HEAT INSULATOR	58151	-	-	-
4	NO. 1 ENGINE UNDER COVER ASSEMBLY	51410	-	-	-
5	AIR FUEL RATIO SENSOR	89467B	-	-	-
6	NO. 1 EXHAUST MANIFOLD HEAT INSULATOR	17167	See step 6	-	-
7	MANIFOLD STAY	17118	See step 7	-	-
8	EXHAUST MANIFOLD (TWC: Front Catalyst)	17141	-	-	-
9	NO. 2 EXHAUST MANIFOLD HEAT INSULATOR	17168	-	-	-

•

Non-reusable part

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during exhaust manifold (TWC: Front Catalyst) removal/installation are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Replacement of air fuel ratio sensor (sensor 1) Gas leak from exhaust system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [11/2022 - ]

WARNING:

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

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