Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000YQVJ
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: 2GR-FKS EMISSION CONTROL: CANISTER: REMOVAL; 2017 - 2020 MY Sienna [08/2016 -        ]

REMOVAL

PROCEDURE

1. REMOVE CHARCOAL CANISTER PROTECTOR

(a) Remove the 6 bolts.

(b) Disengage the 4 claws and remove the charcoal canister protector.

2. DISCONNECT FUEL TANK VENT HOSE

(a) Insert a screwdriver with its tip wrapped in protective tape into the quick connector cutout as shown in the illustration, pry up the retainer and disconnect the fuel tank vent hose.

HINT:

Do not remove the retainer.

NOTICE:

  • Check for dirt or other foreign matter on the parts to be disconnected and clean them if necessary.
  • The quick connector seals with an O-ring. Ensure that there is no damage or foreign matter on the contact surface.
  • Do not bend or twist the tubes.
  • Protect the contact surface by covering it with a plastic bag.
  • If the connector is stuck, push and pull on the parts to separate them.

*a

Protective Tape

*b

Retainer

*c

Cutout

3. DISCONNECT CHARCOAL CANISTER OUTLET TUBE SUB-ASSEMBLY

(a) Disconnect the charcoal canister outlet tube sub-assembly.

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (FUEL): FUEL SYSTEM: PRECAUTION

Push

Pinch

Pull Out

NOTICE:

  • Check for dirt or other foreign matter on the parts to be disconnected and clean them if necessary.
  • The quick connector seals with an O-ring. Ensure that there is no damage or foreign matter on the contact surface.
  • Do not use any tools.
  • Do not bend or twist the tubes.
  • Protect the contact surface by covering it with a plastic bag.
  • If the connector is stuck, push and pull on the parts to separate them.

4. REMOVE CANISTER (CHARCOAL CANISTER ASSEMBLY)

(a) Disconnect the fuel emission hose and connector.

(b) Remove the 3 bolts and clip.

(c) Disengage the hook and remove the canister (charcoal canister assembly).

5. REMOVE CHARCOAL CANISTER LEAK DETECTION PUMP SUB-ASSEMBLY

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

NOTICE:

  • Make sure to clean the canister using only air.
  • 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 filter sub-assembly contains foreign matter such as mud or water.

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

(2) Hold the charcoal canister filter sub-assembly upside down to make sure that the canister is free of foreign matter. If the charcoal canister filter sub-assembly contains foreign matter, replace the canister.