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Fuel filter and supplementary fuel pumpV393 - exploded view > < Removing and installing fuel cooler

A4 Mk3

Fuel filter and supplementary fuel pumpV393
Fuel filter and supplementary fuel pump -V393-
Overview
t  → Chapter „Fuel filter and supplementary fuel pump -V393- - exploded view“
t  → Chapter „Removing and installing fuel filter“
t  → Chapter „Checking delivery rate of supplementary fuel pump -V393-“
t  → Chapter „Removing and installing supplementary fuel pump -V393- - all vehicles except those with engine code CAPA“
t  → Chapter „Removing and installing regulating valve“
  Note
The supplementary fuel pump -V393- is installed on all vehicles except those with engine code CAPA.
  Caution
Running when dry causes irreparable damage to high-pressure pump.
If the fuel filter, the fuel lines or the supplementary fuel pump -V393- are renewed (on all vehicles except those with engine code CAPA), it is important to bleed the fuel system before the engine is started for the first time.
–  Bleed fuel system → Chapter.
   

Fuel filter and supplementary fuel pumpV393 - exploded view > < Removing and installing fuel cooler