- Poor idle, etc.
- Engine start function, etc.
| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001GFQL |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - ] |
| Title: 2ZR-FXE (INTAKE / EXHAUST): EXHAUST PIPE: REMOVAL; 2020 - 2025 MY Corolla Corolla HV [01/2019 - ] | ||
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during front exhaust pipe assembly (TWC: Rear Catalyst) and tail exhaust pipe assembly removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
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Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
|---|---|---|---|
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Gas leaks from exhaust system is repaired |
Inspection after repair |
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CAUTION:
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
PROCEDURE
1. REMOVE TAIL EXHAUST PIPE ASSEMBLY
CAUTION:
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
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(a) Remove the 2 bolts and 2 compression springs and disconnect the tail exhaust pipe assembly from the front exhaust pipe assembly (TWC: Rear Catalyst). |
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(b) Remove the tail exhaust pipe assembly from the 4 exhaust pipe supports.
(c) Remove the gasket from the front exhaust pipe assembly (TWC: Rear Catalyst).
2. REMOVE FRONT FLOOR COVER LH
Click here
![2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; 2ZR-FXE (INTAKE / EXHAUST): EXHAUST MANIFOLD: REMOVAL+](/t3Portal/stylegraphics/info.gif)
3. REMOVE FRONT FLOOR COVER RH
HINT:
Perform the same procedure as for the front floor cover LH.
4. REMOVE FRONT FLOOR CENTER BRACE
Click here
5. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)
CAUTION:
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
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(a) Disconnect the heated oxygen sensor connector. |
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(b) Disengage the wire harness clamp.
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(c) Remove the 2 bolts and 2 compression springs and disconnect the front exhaust pipe assembly (TWC: Rear Catalyst) from the exhaust manifold (TWC: Front Catalyst). |
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(d) Remove the front exhaust pipe assembly (TWC: Rear Catalyst) from the 2 exhaust pipe supports.
(e) Remove the gasket from the exhaust manifold (TWC: Front Catalyst).
6. REMOVE HEATED OXYGEN SENSOR
Click here
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