seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Removing and installing regulating valve > < Lower bracket of the fuel filter: Removing and installing
Supplementary fuel pumpV393: Removing and installing
Supplementary fuel pump -V393-: Removing and installing
t  Removing → Anchor
t  Installing → Anchor
Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.
   
t  Collecting tray -VAS 6208-, see equivalent → Anchor
Removing
–  Observe safety precautions → Chapter
–  Observe rules for cleanliness → Chapter.
–  Remove air filter → Chapter.
  WARNING
The hot fuel may cause burns.
t  In extreme cases, the temperatures of the fuel lines or the fuel itself can reach up to 100° C. Let the fuel cool down before opening the line connection, or else there is a risk of serious injuries.
t  Wear protection gloves.
t  Wear eye protection.
Injury risk! Fuel is subjected to high pressure!
To reduce the pressure in the fuel system, wrap a clean cloth around the connection and carefully loosen the connection.
–  Disconnect connector from auxiliary filter pump -V393- on dome for right bumper and loosen line from clip in which the two fuel hoses are fastened. Do not damage fuel lines.
  W00-10228
–  Remove right underbody panelling -1-, → Rep. gr.66.
–  Remove right wheelhouse shell → Rep. gr.66 and protective panel.
  A20-1279
–  Detach line connector -4- on auxiliary fuel pump -V393- from all mounts.
–  Place the drip tray -VAS 6208- under the Supplementary fuel pump -V393-.
–  Remove fuel feed hoses -1- and -3- from auxiliary fuel pump -V393--2-.
–  Remove auxiliary fuel pump -V393--2- together with stops -5-.
Installing
l  Tightening torque → Chapter
Installation is carried out in the reverse sequence; note the following:
  Note
Secure all hose connections with the correct type of hose clips (same as original equipment) → Spare parts catalogue.
l  Flow direction is marked with arrows on fuel pump housing.
  Caution
Running when dry causes irreparable damage to high-pressure pump.
If the fuel filter, the fuel lines or the supplementary fuel pump -V393- are replaced, it is important to bleed the fuel system before the engine is started for the first time.
–  Bleeding fuel system → Chapter.
  E20-10042

Removing and installing regulating valve > < Lower bracket of the fuel filter: Removing and installing