Contents - Volkspage

4A.6 Fuel system: single-point injection models
6.5 Slacken the hose clips and disconnect
the fuel lines from either side of the filter
Lift pump and
fuel gauge sender assembly
Removal
3 It is advisable to carry out this operation
when the fuel tank is almost empty.
4 Refer to Section 9 and depressurise the fuel
system.
5 Ensure that the vehicle is parked on a level
surface, then disconnect the battery negative
cable and position it away from the terminal.
6 Refer to Chapter 11 and pivot the rear seat
cushion upwards and forwards.
7 Slacken and withdraw the access hatch
screws and lift the hatch away from the
floorpan (see illustration).
8 Unplug the wiring harness connector from
the pump/sender unit (see illustration).
9 Pad the area around the supply and return
6.7 The direction of flow arrow marking
must point towards the engine
fuel hoses with rags to absorb any split fuel,
then slacken the hose clips and remove them
from the ports at the sender unit. Make a note
of their order of connection to ensure correct
refitting later; note that the fuel return hose is
colour-coded blue (see illustration).
10 Grip the slotted outer ring and turn it
anticlockwise to release the pump/sender unit
from the fuel tank aperture.
11 Carefully manoeuvre the pump/sender unit
out of the fuel tank, taking care to avoid
damaging the float arm. Hold the unit above
the level of the fuel in the tank until the excess
fuel has drained out (see illustration). Recover
the rubber seal.
12 Remove the lift pump/sender unit from the
vehicle and lay it on an absorbent card or rag,
in a well ventilated area (see illustration).
Inspect the float at the end of the sender unit
arm for punctures and fuel ingress - renew the
unit if it appears damaged.
13 Inspect the sender unit wiper and track:
carefully clean off any dirt and debris that may
have accumulated and look for breaks or
corrosion on the track windings.
14 Inspect the rubber seal from the fuel tank
aperture for signs of fatigue - renew it if
necessary (see illustration).
Refitting
15 Refit the sender unit by following the
removal procedure in reverse, noting the
following points:
a) Smear the tank aperture rubber seal with
clean fuel before fitting it in position.
b) Reconnect the fuel supply and return
hoses according to the notes made
during removal.
Line fuel pump
Removal
16 The line fuel pump is mounted alongside
the fuel accumulator, behind the fuel tank, at
7.7 Remove the access hatch screws and
lift the hatch away from the floorpan
7.8 Unplug the wiring harness connector
from the pump/sender unit
7.9 Fuel pump connections
1 Supply hose 2 Return hose
7.11 Carefully manoeuvre the pump/sender
unit out of the fuel tank
7.12 Fuel pump/gauge sender unit
1 Float and arm 2 Fuel pump
3 Sender unit track and wiper
4 Fuel return hose
7.14 Inspect the rubber seal from the
fuel tank aperture for signs of fatigue -
renew it if necessary