03.02 FUEL PUMP, UNIT INJECTOR,
LINES
03.02.01 Replace fuel pump
Fuel pump operation is controlled by EMS.
Disassembly
1 Ventilate drain fuel system.For this purpose, open
fuellinebetweenfuellterandfuelpump(ill.4/pos.1)
and let pump run for approx. 6 x 10 sec. Make sure
that air is sucked into the line.
ATTENTION: Close fuel cock on tank, if tank is higher.
2 ATTENTION: Prior to disassembly, disconnect
battery cables from battery, to avoid
damages to the electronic system.
3 Disconnect positive cable and negative cable (ill.6)
by unscrewing hexagon nuts (SW7/8) with washer
from terminals of fuel pump.
4 Unscrew hollow screw (ill.6/pos.1) of fuel feed line.
Dispose Cu-sealing rings.
5 Unscrew hollow screw (ill.6/pos.2) of fuel line. Dispose
Cu-sealing rings.
ATTENTION: Hold up with second wrench on he-
xagon of pump housing, to avoid a a
damage to the E-pump.
02.01 ill.3
02.01 ill.4
1
02.01 ill.6
1
2
+
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