Removing Fuel Supply Line (Front Section)

WARNING: This page is about a different variant/trim than selected.

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 vapors.

→ Attach warning sign in a clearly visible position.

→ Contain leaked media using non-flammable absorbent material and put it in a container designed for this purpose for disposal in accordance with local requirements.

→ Secure collection containers/vessels to prevent them from tipping over.

Information

Watch out for emerging fuel when disconnecting fuel lines. Place a clean cloth on the connection point, then loosen the connection.

Remove rear tunnel reinforcement -1- .
Unscrew and remove screws -2- .

Remove rear tunnel reinforcement -1- .

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Rear tunnel reinforcement
Remove front coolant pipe holder -1- .
Unscrew screws -2- .

Unclip coolant pipes.

Remove front coolant pipe holder -1- .

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Front coolant pipe holder
Disconnect control unit for Tyre Pressure Monitoring (TPM) -1- .
Disconnect electric plug connection -2- .

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Control unit for Tyre Pressure Monitoring (TPM)

Information

The procedure for removing and installing is described for one side as an example. The procedure for the other side is almost identical.
Disconnect coolant pipe -1- .
Unclip coolant pipe -1- on the holder -2- .

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Coolant pipe
Loosen restraining straps for fuel tank -1- .
Unscrew screws -2- .

Remove cover of fuel tank -3- .

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Fuel tank with restraining straps
Loosen fuel tank (all-wheel) restraining straps -1- .
Unscrew screws -2- .

Remove cover of fuel tank (all-wheel) -3- .

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Fuel tank (all-wheel) with restraining straps
Disconnect coolant lines (heater) -1- at the retaining clips -2- in the tunnel.

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Coolant lines for heating
Release locking mechanism -arrow- at the retaining clip -1- using a suitable tool -2- and unclip fuel line.

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Releasing holder on coolant line for heater
Open plug connection -1- on the fuel line in the tunnel.
Press locking mechanism -arrow- and disconnect the line.

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Plug connection for fuel supply line in the tunnel
Loosen the fuel line -1- at the retaining clips -2- in the tunnel.

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Fuel supply line in tunnel
Release locking mechanism -1- at the retaining clip -3- using a suitable tool -2- and unclip fuel line.

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Retaining clip on fuel line
Unclip fuel line -1- at the front -arrow- .

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Unclipping fuel line at the front
Leave the fuel line hanging down.
Information
- Get another person to help you to guide the fuel line in and out.
Lower the vehicle as required so that the mechanic lying on a creeper board under the vehicle can guide the fuel line in and out.
Have a step ladder or pedestal ready beside the vehicle so that your helper can guide the fuel line along.
Release locking mechanism -arrow A- and pull off the fuel line -arrow B- .

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Fuel line at fuel tank flange
Unclip fuel line -1- (-arrow 2- ) and move it as far as the foam -arrow 3- .

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Unclipping and moving fuel line
Slide the fuel line and plug-in coupling -1- through between the foam and bulkhead by pushing it downwards -arrow 2- .

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Sliding fuel line downwards
Guide out and remove the fuel line from below.