volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Step 3 (There are metal particles in fuel delivery unit and fuel tank) > < Step 1 (Engine was started with incorrect fuel)
Step 2 (Engine was not started with incorrect fuel)
Step 2 (Engine was not started with incorrect fuel)
–  Empty fuel tank as far as possible via fuel filler neck using fuel extractor -VAS 5190- → Chapter.
–  Fold up rear seat bench.
–  Remove flange cover.
  Note
Press in securing ring to release fuel line.
  WARNING
Bear in mind that the fuel pump can be activated due to opening of a door with the battery connected. Fuel can escape if the system has been opened.
   
–  Pull fuel return line (blue line or blue marking) -2- off fuel delivery unit.
–  Connect pressure gauge pipe -VAS 6551/5-2- to the fuel return line -1-.
–  Put open end of line -VAS 6551/5-2- into a suitable container.
–  Connect vehicle diagnosis tester and then carry out guided function „Fuel pump activation“.
  Note
The fuel pump is now activated.
–  Repeat procedure, if necessary, until fuel tank is completely empty.
–  Fill fuel tank with 5 litres of diesel fuel.
–  Completely empty fuel tank again as described above.
  N20-10605
–  Reconnect fuel return line (blue or blue marking) -2-.
–  Replace fuel filter → Chapter.
–  Fill up vehicle and perform road test.
End
  N20-10605

Step 3 (There are metal particles in fuel delivery unit and fuel tank) > < Step 1 (Engine was started with incorrect fuel)