Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 761
– Connect the -VAS6550- to the fuel delivery unit -1- using the
-VAS6550/3-4- .
– Connect the -VAS6550/3-4- to the shut-off valve -A-.
– Connect the -VAS6550/4- to the connection -B- on the -
VAS6550- .
– Hold the open end of the -VAS6550/4- hose in a measuring
container.
– Make sure that the drain valve -C- on the Pressure Tester
-1- is closed.
– The shut-off valves -A and B- on the Pressure Tester Kit -1-
are opened.
– Push the -VAG1348/3A- .
Note
The Transfer Fuel Pump - G6- is activated!
– Adjust the pressure to 4.0 bar with the adjustment wheel on
the Pressure Regulating Valve -arrow-.
– From this point on do not move the adjustment wheel.
– Empty the measuring container.
– Press the remote control for 60 seconds while measuring the
fuel pump voltage.
– Compare the delivered quantity of fuel with the specified value
in the table.
Axis designation
Unit
Minimum delivery rate
cm
3
Fuel pump voltage when the
engine is idling and the pump is
running
Volt
Example:
During test, a voltage of 10.5 Volts is measured. This results in a
minimum delivery quantity of approximately 1200 cm
3
/60 s.
If the Specified Value is Obtained:
– Check the fuel lines for possible restrictions (kinks) or block‐
ages.
– Check the fuel lines for leaks and damage.
If the Specified Value is not Obtained:
– Remove the fuel delivery unit. Refer to
⇒ “2.2 Fuel Delivery Unit/Fuel Level Sensor, Removing and
– Check the filter screen for contaminants.
– Check whether the hose connections -arrows- to the fuel de‐
livery unit -1- are sealed.
– Check the fuel lines for possible restrictions (kinks) or block‐
ages.
– Check the fuel lines for leaks and damage.
If no Malfunction was Detected:
– Replace the fuel delivery unit. Refer to
⇒ “2.2 Fuel Delivery Unit/Fuel Level Sensor, Removing and
8.1.8
Fuel Delivery Rate, Checking, Vehicles
with Engine Code CWVA
Special tools and workshop equipment required
♦ Trim Removal Wedge - 3409-
♦ Pressure Tester Kit - VAS6550-
♦ Pressure Tester Kit - Adapter Set - Hose 3 - VAS6550/3-3-
♦ Pressure Tester Kit - Adapter Set - Hose 4 - VAS6550/3-4-
♦ Pressure Regulator Valve - VAS6550/4-
♦ Connector Test Set - VAG1594D-
♦ Multimeter, for example Analog/Digital Multimeter - FLU83III-
♦ Injection Rate Comparison Meter Kit - Remote Cable -
VAG1348/3A-
♦ Vehicle Diagnostic Tester - Test Adapter - 5 Pin - VAS5565-
♦ Vehicle Diagnostic Tester
♦ Measuring container, greater than three liters
Perform the following work:
Fuel Delivery Rate, Checking in Engine Compartment, Quick
Test:
Note
The fuel delivery rate is first checked in the engine compartment
with the “Check fuel delivery rate, quick test” Guided Function.
Perform a second measurement on the fuel delivery unit flange if
the minimum delivery rate is not attained.
– Connect the Vehicle Diagnostic Tester .
– Start Guided Functions.
– Check the fuel delivery rate function and select the quick test.
– Follow the instructions displayed on the Vehicle Diagnostic
Tester .
If the Specified Value is not Obtained:
– Open the fuel filler door unit -2-.
– Clean the area around the fuel filler neck.
– Remove the cap -1- for the fuel filler neck.
– Repeat checking the fuel delivery rate, quick test
.
If the Specified Value is Obtained:
– Check the fuel tank ventilation. Refer to
⇒ “6.4.1 Fuel Tank, Checking Ventilation, with Fuel Tank Leak
If the Specified Value is not Obtained:
– Check the fuel lines for possible restrictions (kinks) or block‐
ages.
– Check the fuel lines for leaks and damage.
If no Error Can Be Found:
Check the fuel delivery rate on the fuel delivery unit as follows:
Fuel Delivery Rate, Checking on Fuel Delivery Unit:
Note
♦
Disconnect the connector couplings. Refer to
⇒ “4.1 Connector Couplings, Disconnecting”, page 62
.
♦ If driving is still impaired with the fuel tank
1
/4 full, then perform
a fuel delivery test with the fuel tank only
1
/4 full or with very
little fuel in the fuel tank.
• Voltage supply OK. Refer to
⇒ “8.1.1 Fuel Pumps, Checking Function and Power Supply”,
.
• Fuel pressure is OK. Refer to
⇒ “8.1.3 Fuel Pressure, Checking”, page 87
.
• The battery voltage must be minimum 11.5 V. Charge the bat‐
tery if necessary. Refer to ⇒ Electrical Equipment; Rep. Gr.
27 ; Battery; Battery, Charging .
• Fuel Pump Control Module - J538- is OK use the Vehicle Di‐
agnostic Tester ⇒ Vehicle diagnostic tester.
– Pay attention to all safety precautions. Refer to
⇒ “1 Safety Precautions”, page 1
– Follow the guidelines for clean working conditions. Refer to
⇒ “3.1 Parking/Auxiliary Heater and Fuel System Clean Work‐
.
– Connect the battery charger. Refer to ⇒ Electrical Equipment;
Rep. Gr. 27 ; Battery; Battery, Charging .
Golf Sportsvan:
– Remove the right rear seat. Refer to ⇒ Body Interior; Rep. Gr.
72 ; Rear Seats; Bench Seat / Single Seat, Removing and In‐
stalling .
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст