volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Removing and installing high-pressure pump > < High-pressure pump
Assembly overview - high-pressure pump
   
Assembly overview - high-pressure pump
1 - Bracket for ancillaries
q   Removing and installing → Chapter.
2 - 20 Nm + turn 180° further.
q   Renew.
3 - Hub
q   Use counterholdl -T10051- to loosen and tighten.
q   To remove, use puller -T40064-.
4 - High-pressure pump toothed belt pulley
5 - 20 Nm
6 - 95 Nm
7 - 20 Nm + turn 45° further
q   Renew.
8 - High-pressure pump
q   With fuel metering valve -N290- (do not open).
q   After renewing, initial fuel filling must be carried out (never allow pump to run dry) → Chapter.
q   Removing and installing → Chapter.
9 - Fuel supply hose
10 - Fuel return hose
11 - High-pressure lines, 28 Nm
q   Between high-pressure pump and fuel rail
q   Do not interchange.
  Note
t  Observe cylinder specific markings when reusing high-pressure lines.
t  The high-pressure lines may be re-used after the following checks:
t  Check taper seat of respective high-pressure line for deformation and cracks.
t  The line hole must not be deformed, constricted or damaged.
t  Corroded lines should no longer be used.
q   Install so that component is not under tension.

   

Removing and installing high-pressure pump > < High-pressure pump