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Vehicles with auxiliary heater
– Remove connector -1- from cover -3-.
– Release connectors -1- and pull off.
– Unclip sealing grommet -2- downwards from cover -3-.
– Guide wiring harness out downwards.
– Release and pull fuel delivery line -2- from flange -1-. Separate
plug-in connectors
⇒ page 51
Continued for all vehicles
– Disconnect fuel line -2-. Separate plug-in connectors
⇒ page 51
.
– Connect pressure tester - VAS 6550- with adapter - VAS
6550/1- and adapter - VAS 6550/2- between fuel supply line
and fuel delivery unit.
♦ VAS 6550/1 between fuel line and shut-off tap -B-
♦ VAS 6550/2 between fuel delivery unit and shut-off tap -A-
CAUTION
Risk of fire due to escaping fuel.
Risk of severe injuries and burns.
– Before testing, check all connected lines for secure fit by
pulling.
– Take any fuel-soaked cloths away from area of vehicle.
– Connect connection lead - VAS 5051/66- to pressure tester -
VAS 6550- and to ⇒ Vehicle diagnostic tester.
CC 2012 ➤ , Passat 2011 ➤ , Passat Variant 2011 ➤
Fuel supply system, petrol engines - Edition 05.2019
.
83
8. Fuel pump
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