Preliminary Work
WARNING:
Toxic substances
- Danger of poisoning or suffocation
- Danger of burns to the eyes and skin
→ Ventilate the work area well.
→ Never ingest or inhale.
→ Read specific information on the Hazard Sheet.
→ Wear personal protective gear.
→ Do not smoke, eat or drink in the work area.
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.
→ 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
- Escaping fuel must be soaked up using suitable binding material.
- The fuel system must be depressurised before starting work on it.
- Only work on the fuel system in well-ventilated rooms.
- Any seals that were removed must always be replaced.
- Never use 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.
- Relieve the fuel pressure =>
- 1.1 Switch off ignition.
- 1.2 Pull out the fuse for the fuel pump.
- 1.3 Start the engine and wait until the engine starts up automatically.
- Remove rear seat.
- Remove the right cap (figure shows both caps) -arrows-
. To do this, remove the carpeted floor. Then loosen the four fastening nuts and remove the cap.
Fastening nuts on caps
- Carefully pull off the fuel supply line -arrow-
at the right connection unit (place several cloths underneath to absorb the fuel that squirts out).
Fuel supply and connection points at right connection unit
- After opening the fuel line, connect the measuring tool immediately and re-insert the fuse for the fuel pump.