Evaporative Emission Control Canister: Service and Repair

WM 202519 Removing and installing carbon canister

Technical values





Preliminary work

Remove rear right wheel housing liner. -> 536919 Removing and installing rear wheel housing liner - section on "Removing" Service and Repair

General warning notes

Group 20 - Fuel supply, control

WARNING

Toxic substances

- Danger of poisoning or suffocation

-> Ventilate the work area well.
-> Never ingest or inhale.
-> Read specific information on the Hazard Sheet.
-> Wear personal protective gear.

WARNING

Highly inflammable or explosive materials

- Danger of fire or explosion

-> Avoid contact with hot parts or sources of ignition.
-> Use suction to remove ignitable vapours.
-> Attach warning sign in a clearly visible position.

Information

- Absorb any escaping fuel using a suitable binding material or a cloth.

- Cloths which have absorbed fuel must be disposed of according to the applicable national laws.

- The fuel system must be depressurised before starting work on it.

- Only work on the fuel system in well-ventilated rooms.

- Any seals which have been removed must always be replaced.

- Do not use any sealant containing silicone or silicone spray when the injection system is open. Traces of silicone drawn in by the engine are not combusted and damage the oxygen sensors.

Removing carbon canister

Removing carbon canister - RoW (Rest of the World)





Component overview of carbon canister





1. Unscrew three fastening screws -2- on the carbon canister -1-.
2. Release hose connections -3 + 4- by pressing them together and pull them off.
3. Unclip electric line -5- at the back of the carbon canister from the brackets.

Removing carbon canister - USA





Component overview of carbon canister with leakage diagnosis pump





1. Unscrew three fastening screws -2- on the carbon canister -1-.
2. Release hose connections -3 + 4- by pressing them together and pull them off.
3. Unclip electric line -5- at the back of the carbon canister from the brackets.
4. Pull off vacuum line -7- on leakage diagnosis pump -6-.
5. Release and pull off electric plug connection on leakage diagnosis pump -6-.

Installing carbon canister

Installing carbon canister - RoW (Rest of the World)





Component overview of carbon canister





1. Clip electric line -5- at the back of the carbon canister into the brackets.
2. Attach hose connections -3 + 4- to the carbon canister -1-.
3. Tighten three fastening screws -2- on the carbon canister -1- to => Tightening torque: 9 Nm (6.5 ftlb.).

Installing carbon canister - USA





Component overview of carbon canister with leakage diagnosis pump





1. Clip electric line -5- at the back of the carbon canister into the brackets.
2. Connect vacuum line -7- for the leakage diagnosis pump -6-.
3. Plug in electric plug connection on leakage diagnosis pump -6- until the connector engages securely.
4. Attach hose connections -3 + 4- to the carbon canister -1-.
5. Tighten three fastening screws -2- on the carbon canister -1- to => Tightening torque: 9 Nm (6.5 ftlb.).

Subsequent work

Install rear right wheel housing liner. -> 536919 Removing and installing rear wheel housing liner - section on "Installing" Service and Repair