seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Emptying fuel tank > < Fuel tank
Emptying fuel tank when fuel pump is defective
Emptying fuel tank when fuel pump is defective
Special tools and workshop equipment required
   
t  Fuel extractor -VAS 5190-
  W00-1107
t  Spanner -T10202-
t  Not illustrated
t  Torque wrench -V.A.G 1332- (40…200 Nm)
Operation process
–  Note safety precautions before beginning work → Chapter.
–  Observe rules for cleanliness → Chapter.
–  Open fuel tank filler flap.
  W00-1334
–  At a distance -a- = 770 mm from end of extraction hose of fuel extractor -VAS 5190-, use insulating tape to mark -arrow- the hose.
  Note
The extraction hose has been properly inserted when the affixed mark is level with the edge of the filler neck.
–  Push hose into fuel filler neck and extract fuel.
  Note
t  When no more fuel is extracted, the tank is emptied just enough for the sender flange to be opened without danger. The tank may be removed while containing remaining fuel.
t  If work has to be done on fuel pump or fuel gauge sender -G-, proceed as follows:
  A20-0732
–  Lower fuel tank carefully until fuel return line -1- and fuel supply line -4- can be pulled off flange → Chapter.
  Note
Release connection by pressing button on hose coupling.
–  Pull off fuel line -3- (if there is one) for metering pump -V54- for auxiliary heater.
–  Pull connectors -2- and -5- off flange.
  N20-10796
–  Open locking ring using wrench -T10202-.
–  Raise flange of fuel delivery unit.
–  Insert suction hose of fuel extractor -VAS 5190- as far as possible into fuel tank and extract fuel.
If fuel tank needs only to be emptied, install fuel delivery unit again → Chapter.
For further work on inside of fuel tank, sender flanges may remain removed.
If fuel tank needs only to be emptied, install flange of fuel delivery unit again → Chapter.
–  Renew seals of sender flange.
  Note
  N20-10637
t  Do not mix up supply and return lines on right-hand side (return line -1- blue, supply line -4- black).
t  Ensure that connectors and fuel hose connections are fitted securely.
  N20-10796

Emptying fuel tank > < Fuel tank