Checking fuel delivery rate, vehicles with engine codes AXA, BDL, BKK — VW

Checking fuel delivery rate, vehicles with engine codes AXA, BDL, BKK
Test prerequisites
Battery voltage at least 11.5 V, if necessary connect a battery charger.
Fuses SD14 and SD30
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must be removed from their sockets.
Test procedure
Connect
remote control
V.A.G 1348/3 A
with
adapter cable
V.A.G 1348/3-3
to connection of fuse 30b
enlargement
.
Insulate second free flat connector of
adapter cable
V.A.G 1348/3-3
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using commercially available insulating tape.
Connect battery positive terminal of
remote control
V.A.G 1348/3 A
to positive terminal
+
of battery.
WARNING
The fuel line is under pressure.
Risk of injury to eyes and skin from fuel.
Wear eye protection and protective clothing to avoid eye injuries and skin contact. Before loosening hose connections, wrap a cloth around the connection. Then release pressure by carefully opening the connection point.
Place a cloth around the union of the fuel hoses and separate fuel supply line
3
.
Note
Press in buttons on hose couplings to do this.
Connect
pressure tester
V.A.G 1318
with
adapter
V.A.G 1318/17
and
V.A.G 1318/23
as well as
adapter
V.A.G 1318/11
and
hose
V.A.G 1318/16
to fuel supply line as shown.
Checking fuel pump delivery rate
Hold
hose
V.A.G 1318/16
1
in a measuring container
2
with a volume of at least 1000 cm
3
.
Operate
remote control
V.A.G 1348/3 A
until fuel flows.
Empty measuring container before making measurement.
Operate remote control for 15 seconds for the measurement. The delivery rate must be at least 800 cm
3
/15 s.
If the minimum delivery rate is not attained:
Check fuel lines for possible restrictions (kinks) or blockages.
If fuel lines are ok:
Raise vehicle.
WARNING
The fuel line is under pressure.
Risk of injury to eyes and skin from fuel.
Wear eye protection and protective clothing to avoid eye injuries and skin contact. Before loosening hose connections, wrap a cloth around the connection. Then release pressure by carefully opening the connection point.
Place cleaning cloths around separating point
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. Pull fuel supply line off filter input.
Note
Press in button on hose coupling to do this.
Connect
pressure tester
V.A.G 1318
with
adapter
V.A.G 1318/17
and
V.A.G 1318/23
as well as
adapter
V.A.G 1318/11
and
hose
V.A.G 1318/16
to fuel supply line as shown.
Repeat delivery rate check.
If the minimum delivery rate is now attained:
Renew fuel filter
Item
.