Preliminary Work
- 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.
- Danger of chemical burns
→ Wear personal protective gear.
→ Ensure that there is good ventilation.
→ Avoid contact with caustic fluid.
→ If you do come into contact, wash off immediately with plenty of warm water and contact a doctor if necessary.
Information
The battery voltage must not fall below 12.5 volts during the fuel pressure check.
- Connect battery charger.
- Attach or mount a warning sign > Example of a warning sign
in a clearly visible position on the vehicle.
Example of a warning sign
Information
- The position of the fuse for the fuel pump can vary in different models.
- Check the position of the fuse in the current media.
- PCSS => All media => Driver's Manuals (BAL) => Vehicle operating instructions => Section: Fuses => Fuel pump
- PCSS => All media => Wiring diagrams (SP) => Search term: Tank system
- Relieve fuel pressure in the system.
- 3.1 Remove cover from fuse carrier in the engine compartment at the front right.
- 3.2 Pull out the fuse 35A -B11- for the fuel pump.
- 3.3 Start the engine, wait until it cuts out and then re-insert the fuse 35A -B11- .
Fuel pump fuse
- Have a clean canister that is suitable for fuel and a measuring cup ready.
- Connect > 9705 - test adapter-1-
.
- 5.1 Place a cloth underneath the connection point for the fuel low-pressure line -2- .
- 5.2 Release plug-in coupling for the fuel low-pressure line and disconnect it. Collect emerging fuel.
- 5.3 Connect > 9705 - test adapter-1- .
- 5.4 Position canister and secure it to prevent it from falling over.
- 5.5 Insert hose -3- into the canister.
Measuring adapter for draining fuel