Identification
Safety precautions when working on fuel supply systemRemoving and installing auxiliary heater bracket
Removing
–
Switch off electrical consumers.
–
Switch off auxiliary and supplementary heater and switch off
ignition.
–
Remove auxiliary heater
→  ...
Extraction and charging valve, high-pressure side
Note
Torque wrench -V.A.G 1783- with 1/4" ratchet adapter -VAS
6234-
Appropriate insert -T10364- to remove valve core
→ Fig.
1 -
Base with external or internal thread
...
Assembly overview - fuel delivery unit/fuel gauge sender, vehicles with
auxiliary heater
1 -
Fuel delivery unit
With fuel system pressurisation pump -G6-.
With integrated fuel filter; fuel filter cannot be renewed
separately
Carrying out electrical test of fuel pump in
Guided fault finding mode → ...