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.

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 TAIL EXHAUST PIPE ASSEMBLY LH

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 LH from the center exhaust pipe assembly.

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

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

3. REMOVE FRONT FLOOR COVER LH

(a) Type A: (1) Remove the 4 bolts and 4 clips (A). (2) Disengage the grommet (B) and 6 clips (C) to remove the front floor cover LH.

(b) Type B: (1) Remove the 3 bolts and 4 clips (A). (2) Disengage the grommet (B) and 6 clips (C) to remove the front floor cover LH.

4. REMOVE FRONT FLOOR COVER RH

(a) Type A:

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

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

(b) Type B:

(1) Remove the 4 bolts and 4 clips (A).

(2) Disengage the grommet (B) and 6 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 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, 2 nuts 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 2 exhaust pipe supports.

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

8. REMOVE BODY MOUNTING PLATE

(a) Remove the 6 bolts and body mounting plate.

9. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)

(a) Remove the 2 nuts and No. 1 exhaust pipe support bracket (for Lower Side).

10. 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) Disconnect the 2 heated oxygen sensor connectors.

(b) Disengage the 2 wire harness clamps.

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

(d) Remove the front exhaust pipe assembly (TWC: Rear Catalyst) from the exhaust pipe support.

(e) Remove the 2 gaskets from the front exhaust pipe assembly (TWC: Rear Catalyst).

11. REMOVE HEATED OXYGEN SENSOR (for Bank 1)

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12. REMOVE HEATED OXYGEN SENSOR (for Bank 2)

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