Toyota Avalon (XX50): Canister

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / A25a-fxs (emission Control) / Canister

Components

COMPONENTS

ILLUSTRATION

*1

REAR NO. 1 STABILIZER BAR BRACKET LH

*2

REAR NO. 1 STABILIZER BAR BRACKET RH

*3

CANISTER (CHARCOAL CANISTER ASSEMBLY)

*4

CHARCOAL CANISTER LEAK DETECTION PUMP SUB-ASSEMBLY

*5

FUEL TANK VENT HOSE SUB-ASSEMBLY

*6

FUEL TANK VENT HOSE

*7

PURGE LINE HOSE

*8

CHARCOAL CANISTER SUB-ASSEMBLY

*9

CLIP

-

-

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)

N*m (kgf*cm, ft.*lbf): Specified torque

Non-reusable part

-

-

Inspection

INSPECTION

PROCEDURE

1. INSPECT CANISTER (CHARCOAL CANISTER ASSEMBLY)

(a) Visually check the canister (charcoal canister assembly).

(1) Visually check the canister (charcoal canister assembly) for cracks or damage.

If cracks or damage are found, replace the canister (charcoal canister assembly).

(b) Check the canister (charcoal canister assembly) operation.

(1) With the purge line port closed, blow 0.5 kPa (0.005 kgf/cm2, 0.1 psi) of air into the vent line port, and check that air flows from the air line port.

If the result is not as specified, replace the canister (charcoal canister assembly).

*a

Vent Line Port

*b

Air Line Port

*c

Purge Line Port

*d

Air

(2) With the vent line port closed, blow 0.5 kPa (0.005 kgf/cm2, 0.1 psi) of air into the air line port, and check that air flows from the purge line port.

If the result is not as specified, replace the canister (charcoal canister assembly).

*a

Vent Line Port

*b

Air Line Port

*c

Purge Line Port

*d

Air

(c) Check for air leaks.

(1) Connect a pressure gauge to the vent line port.

*a

Pressure Gauge

*b

Vent Line Port

*c

Air Line Port

*d

Purge Line Port

*e

Charcoal Canister Leak Detection Pump Sub-assembly Connector

(2) With the purge line port, air line port and charcoal canister leak detection pump sub-assembly connector closed, apply 20 kPa (150 mmHg, 5.91 in. Hg) of pressurized air into the vent line port, then confirm that pressure is maintained for 1 minute.

If the result is not as specified, replace the canister (charcoal canister assembly).

(d) Check the charcoal canister leak detection pump sub-assembly.

(1) Connect a positive (+) auxiliary battery lead to terminal 5 and a negative (-) auxiliary battery lead to terminal 1.

(2) Check that a clicking sound is heard from the charcoal canister leak detection pump sub-assembly.

If the result is not as specified, replace the charcoal canister leak detection pump sub-assembly.

Installation

INSTALLATION

PROCEDURE

1. INSTALL CHARCOAL CANISTER LEAK DETECTION PUMP SUB-ASSEMBLY

HINT:

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

(a) Engage the 2 claws to install a new charcoal canister leak detection pump sub-assembly to the charcoal canister sub-assembly.

NOTICE:

  • Do not allow foreign matter such as grease, oil or water to adhere to the O-ring.
  • Ensure that the claws are engaged properly.

2. INSTALL CANISTER (CHARCOAL CANISTER ASSEMBLY)

(a) Install the clip to the vehicle body.

(b) Engage the claw to install the canister (charcoal canister assembly) to the vehicle body as shown in the illustration.

(c) Engage the clip to connect the canister (charcoal canister assembly).

(d) Install the 2 bolts.

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

(e) Connect the purge line hose to the canister (charcoal canister assembly) and slide the clip to secure it.

(f) Push the fuel tank vent hose onto the canister (charcoal canister assembly) and push in the retainer to engage the lock claws.

NOTICE:

  • Check that there are no scratches or foreign matter around the connecting parts of the tube connector and pipe (canister (charcoal canister assembly)) before performing this work.
  • After connecting the fuel tank vent hose, check that the fuel tank vent hose is securely connected by pulling on the tube connector.

*a

Retainer

Push in

(g) Connect the charcoal canister leak detection pump sub-assembly connector.

(h) Push in the fuel tank vent hose sub-assembly onto the charcoal canister leak detection pump sub-assembly and push in the retainer to engage the lock claws.

NOTICE:

  • Check that there are no scratches or foreign matter around the connecting parts of the tube connector and pipe (charcoal canister leak detection pump sub-assembly) before performing this work.
  • After connecting the fuel tank vent hose sub-assembly, check that the fuel tank vent hose sub-assembly is securely connected by pulling on the tube connector.

*a

Retainer

Push in

3. INSTALL REAR STABILIZER BAR

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

Torque:

78 N·m {795 kgf·cm, 58 ft·lbf}

Removal

REMOVAL

PROCEDURE

1. 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.

2. REMOVE CANISTER (CHARCOAL CANISTER ASSEMBLY)

(a) Disconnect the fuel tank vent hose sub-assembly from the charcoal canister leak detection pump sub-assembly.

*a

Retainer

*b

Tab

*c

Tube Connector

*d

O-ring

*e

Pipe (Charcoal Canister Leak Detection Pump Sub-assembly)

-

-

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 (charcoal canister leak detection pump sub-assembly).
  • Perform this work by hand. Do not use any tools.
  • Do not forcibly bend, twist or turn the fuel tank vent hose sub-assembly.
  • Protect the disconnected parts by covering them with plastic bags after disconnecting the fuel tank vent hose sub-assembly.
  • If the tube connector and pipe (charcoal canister leak detection pump sub-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 sub-assembly.

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

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

*a

Retainer

*b

Tab

*c

Tube Connector

*d

O-ring

*e

Pipe (Canister (Charcoal Canister Assembly))

-

-

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.

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

(e) Remove the 2 bolts.

Bolt

Clip

(f) Disengage the clip and disconnect the canister (charcoal canister assembly).

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

(h) Remove the clip from the vehicle body.

3. REMOVE CHARCOAL CANISTER LEAK DETECTION PUMP SUB-ASSEMBLY

HINT:

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

(a) Before removing the charcoal canister leak detection pump sub-assembly, clean the charcoal canister sub-assembly by blowing air into it to ensure that the charcoal canister sub-assembly is free of foreign matter.

NOTICE:

  • Make sure to clean the 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 charcoal canister 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 charcoal canister sub-assembly contains foreign matter such as mud or water.

(1) Visually check that the inside of the charcoal canister sub-assembly is free of foreign matter.

(2) Hold the charcoal canister sub-assembly upside down to make sure that it is free of foreign matter.

If the charcoal canister sub-assembly contains foreign matter, replace the canister (charcoal canister assembly).

Starting System

Egr Cooler

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

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