Lexus ES manuals

Lexus ES: Removal

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), center exhaust pipe assembly and tail exhaust pipe assembly 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
  • Gas leak from exhaust system is repaired

Inspection After Repair

  • Poor idle, etc.
  • Engine start function, etc.

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.

(a) Remove the 2 bolts and disconnect the tail exhaust pipe assembly from the center exhaust pipe assembly.

(b) Remove the tail exhaust pipe assembly from the 2 exhaust pipe supports.

(c) Remove the gasket from the center exhaust pipe assembly.

2. REMOVE CENTER EXHAUST PIPE ASSEMBLY

CAUTION:

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

(a) Remove the 2 bolts and disconnect the center exhaust pipe assembly from the front exhaust pipe assembly (TWC: Rear Catalyst).

(b) Remove the center exhaust pipe assembly from the exhaust pipe support.

(c) Remove the gasket from the front exhaust pipe assembly (TWC: Rear Catalyst).

3. REMOVE FRONT FLOOR COVER LH

(a) Remove the 3 bolts and 4 clips (A).

(b) Disengage the grommet (B) and 6 clips (C) to remove the front floor cover LH.

4. REMOVE FRONT FLOOR COVER RH

(a) Remove the 3 bolts and 3 clips (A).

(b) Disengage the grommet (B) and 7 clips (C) to remove the front floor cover RH.

5. REMOVE FRONT CENTER FLOOR BRACE

(a) Remove the 4 bolts and front center floor brace from the vehicle body.

6. REMOVE CENTER FLOOR CROSSMEMBER BRACE

(a) Remove the 4 bolts and center floor crossmember brace from the vehicle body.

7. REMOVE AIR FUEL RATIO SENSOR (for Sensor 2)

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8. 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.

(a) Remove the 2 nuts and disconnect the front exhaust pipe assembly (TWC: Rear Catalyst) from the exhaust manifold (TWC: Front Catalyst).

(b) Remove the front exhaust pipe assembly (TWC: Rear Catalyst) from the 2 exhaust pipe supports.

(c) Remove the gasket from the front exhaust pipe assembly (TWC: Rear Catalyst).

READ NEXT:

 Installation

INSTALLATION PROCEDURE 1. INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst) (a) Install a new gasket to the front exhaust pipe assembly (TWC: Rear Catalyst). (b) Connect the front exhaust pipe

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