VW T6 - fuel loss
| Data sheet | |
|---|---|
| Manufacturer | Volkswagen |
| Vehicle model | Transporter T6 |
| Engine | 2.0 TDI |
| Symptoms | Fuel loss |
Important safety note
Technical information and practical tips have been compiled by HELLA in order to provide professional support to vehicle workshops in their work. The information provided on this website is intended for use by suitably qualified personnel only.
Vehicle smells of diesel - fuel loss
On the vehicle mentioned above, it can happen that a strong smell of diesel suddenly becomes very noticeable. Leaking fuel may also have accumulated in the engine compartment or under the vehicle. The cause of this is not always immediately recognisable. Firstly, the fuel lines and their connections in the engine compartment should be checked. If no leak is found, the fuel filter housing may be the cause of the diesel loss.
The fuel filter should be removed for further inspection. It is advisable to remove the cooling system's expansion tank beforehand. In order to be able to pull the filter upwards out of its support or holder, the clamping screw on such a holder must first be loosened. Then disconnect the two fuel lines from the filter.
If you now take a look at the upper area of the filter, in some cases a horizontal hairline crack can be seen, which is responsible for the leak.
In order to remedy the situation, the filter should be replaced and the fuel system bled in accordance with the vehicle manufacturer's instructions. We recommend cleaning the engine compartment as a final step of the repair.
Please always follow the repair instructions from the vehicle manufacturer when carrying out such work!
Fuel loss T6
Expansion tank T6
Fuel filter T6
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