Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: 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 canister (charcoal canister 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

Gas leak from exhaust system is repaired

Inspection After Repair

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

PROCEDURE

1. REMOVE FRONT FLOOR COVER LH

Click here

2. REMOVE FRONT FLOOR COVER RH

Click here

3. REMOVE FRONT CENTER FLOOR BRACE

Click here

4. REMOVE CENTER FLOOR CROSSMEMBER BRACE

Click here

5. 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 6 bolts, 2 nuts and disconnect the center exhaust pipe assembly from the front exhaust pipe assembly (TWC: Rear Catalyst), tail exhaust pipe assembly and tail exhaust pipe assembly LH.

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

(c) Remove the 3 gaskets from the center exhaust pipe assembly and front exhaust pipe assembly (TWC: Rear Catalyst).

6. SEPARATE REAR STABILIZER BAR

(a) Remove the 4 bolts, rear No. 1 stabilizer bar bracket LH, rear No. 1 stabilizer bar bracket RH and separate the rear stabilizer bar.

7. REMOVE CANISTER (CHARCOAL CANISTER ASSEMBLY)

(a) Disconnect the fuel tank vent hose from the canister (charcoal canister assembly).

*1

Fuel Tank Vent Hose

*2

Pipe (Canister (Charcoal Canister Assembly))

*a

Retainer

*b

Tab

*c

Tube Connector

*d

O-ring

Pinch

Pull

NOTICE:

  • Remove any dirt or foreign matter on the tube connector before performing this work.
  • Do not allow any scratches or foreign matter to get on the parts when disconnecting them as the tube connector has an O-ring that seals the pipe (canister (charcoal canister assembly)).
  • Perform this work by hand. Do not use any tools.
  • Do not forcibly bend, twist or turn the fuel tank vent hose.
  • Protect the disconnected parts by covering them with plastic bags after disconnecting the fuel tank vent hose.
  • If the tube connector and pipe (canister (charcoal canister assembly)) are stuck, push and pull to release them.

HINT:

Do not remove the retainer.

(1) Pinch the tabs of the retainer to disengage the lock claws and pull it down.

(2) Pull off the fuel tank vent hose.

(b) Disconnect the vent line hose from the canister (charcoal canister assembly).

*1

Vent Line Hose

*2

Pipe (Canister (Charcoal Canister Assembly))

*a

Retainer

*b

Tab

*c

Tube Connector

*d

O-ring

Pinch

Pull

NOTICE:

  • Remove any dirt or foreign matter on the tube connector before performing this work.
  • Do not allow any scratches or foreign matter to get on the parts when disconnecting them as the tube connector has an O-ring that seals the pipe (canister (charcoal canister assembly)).
  • Perform this work by hand. Do not use any tools.
  • Do not forcibly bend, twist or turn the vent line hose.
  • Protect the disconnected parts by covering them with plastic bags after disconnecting the vent line hose.
  • If the tube connector and pipe (canister (charcoal canister assembly)) are stuck, push and pull to release them.

HINT:

Do not remove the retainer.

(1) Pinch the tabs of the retainer to disengage the lock claws and pull it down.

(2) Pull off the vent line hose.

(c) Slide the clip and disconnect the purge line hose from the canister (charcoal canister assembly).

(d) Remove the 2 bolts.

Bolt

Clip

(e) Disengage the clip from the canister (charcoal canister assembly).

(f) Disengage the claw and remove the canister (charcoal canister assembly) from vehicle body as shown in the illustration.

(g) Remove the clip from the vehicle body.

8. REMOVE NO. 2 CHARCOAL CANISTER SUB-ASSEMBLY

(a) Disconnect the air line tube from the leak detection pump sub-assembly.

*1

Air Line Tube

*2

Pipe (Leak Detection Pump Sub-assembly)

*a

Tube Connector

*b

O-ring

Pinch

Pull off

NOTICE:

  • Remove any dirt or foreign matter on the tube connector before performing this work.
  • Perform this work by hand. Do not use any tools.
  • Do not forcibly bend, twist or turn the air line tube.
  • Protect the disconnected parts by covering them with plastic bags after disconnecting the air line tube.
  • If the tube connector and pipe (leak detection pump sub-assembly) are stuck, push and pull to release them.

(1) Push the air line tube firmly toward the leak detection pump sub-assembly.

(2) Pinch the tube connector as shown in the illustration.

(3) Pull off the air line tube from the pipe (leak detection pump sub-assembly).

(b) Disconnect the leak detection pump sub-assembly connector.

(c) Remove the 3 nuts and No. 2 charcoal canister sub-assembly from the vehicle body.

9. REMOVE LEAK DETECTION PUMP SUB-ASSEMBLY

HINT:

Only perform this procedure when replacement of the leak detection pump sub-assembly is necessary.

(a) Before removing the leak detection pump sub-assembly, clean the No. 2 charcoal canister sub-assembly by blowing air into it to ensure that the No. 2 charcoal canister sub-assembly is free of foreign matter.

NOTICE:

  • Make sure to clean the No. 2 charcoal canister sub-assembly using air only.
  • Do not use gasoline, thinners or solvents.

(b) While disengaging the 2 claws as shown in the illustration, push the leak detection pump sub-assembly upwards using a screwdriver with its tip wrapped with protective tape to remove it.

*a

Protective Tape

(c) Check if the No. 2 charcoal canister sub-assembly contains foreign matter such as mud or water.

(1) Visually check that the inside of the No. 2 charcoal canister sub-assembly is free of foreign matter.

(2) Hold the No. 2 charcoal canister sub-assembly upside down to make sure that it is free of foreign matter.

If the No. 2 charcoal canister sub-assembly contains foreign matter, replace it.

    Installation

    Emission Control System

    See More:

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