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SEAT Workshop Service and Repair Manuals

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Removing and installing high-pressure pump > < Installing high-pressure lines

Leon Mk2

Assembly overview - high-pressure pump
   
Assembly overview - high-pressure pump
1 - Bracket for ancillary mechanical units
q   removing and fitting → Chapter
2 - Bolt.
q   2 units
q   Replace
q   20 Nm + turn +180° further
3 - Hub
q   Use counterhold tool -T10051- to loosen and tighten.
q   To remove, use puller -T40064-.
4 - High-pressure pump sprocket
5 - Bolt.
q   3 units
q   Replace
q   20 Nm + turn 90° further
6 - Nut
q   95 Nm
7 - Bolt.
q   Replace
q   20 Nm + turn +45° further
8 - High-pressure pump
  Caution
Risk of damage due to soiling.
Note → Chapter
Risk of damage to high-pressure pump when running dry.
Following installation, the high-pressure pump must be filled with fuel before starting the engine → Chapter
q   With fuel metering valve -N290- (do not open).
q   After replacing the high-pressure pump or the fuel pressure regulating valve -N276-, the teach values must be readjusted, see „Guided Functions“ on the vehicle diagnosis device.
q   removing and fitting → Chapter
9 - High-pressure line
q   Between high-pressure pump and fuel rail
q   Do not alter shape.
q   Check for damage before reinstalling.
q   Always renew high-pressure pipe when renewing high-pressure pump.
q   removing and fitting → Chapter
q   Lubricate threads of union nuts with clean engine oil
q   25 Nm
10 - Fuel supply hose
11 - Fuel return hose

   

Removing and installing high-pressure pump > < Installing high-pressure lines