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Leon Mk1

Injection valves: Removing and installing
Injection valves: Removing and installing
Check the tool and equipment equivalence table according to the applicability between Seat / VW / Audi / Skoda → Chapter
Special tools and workshop equipment required
   
t  Tightening torque -VAG 1331-, see equivalent → Anchor
Removal:
–  Remove the fuse for the fuel pump from the fuse holder. Fuse installation → Current flow diagrams, Electrical fault finding and Fitting locations
  Note
When removing the fuse, cut the power supply to the fuel pump for safety reasons. Otherwise, the fuel pump will start functioning when the driver's door is opened.
  WARNING
Fuel supply pipes are pressurised. Wear safety goggles and appropriate clothing to avoid injury and contact with skin. Before loosening hose connections, wrap a cloth around the connection. Then eliminate the pressure by carefully separating the pipe.
  W00-0427
–  Disconnect fuel pipe -2-, and collect leaking fuel with a cloth.
  Note
Press in safety ring to release fuel lines.
–  Cover the disconnected fuel lines immediately to avoid the penetration of dirt into the fuel system.
  A20-1065
–  Pull off connectors -arrows- from all the injectors.
–  Unclip the cable harness from the injectors.
–  Remove the fuel rail from the intake manifold.
–  Remove the fuel rail together with the injectors from the intake manifold.
  N15-10082
–  Remove clamp -arrow - and remove the injector.
Fitting .
Installation is carried out in reverse order. When installing, note the following:
–  Renew the O-rings at all opened connections.
–  Moisten the O-rings with some clean engine oil.
–  Ensure that the injectors are fitted in the correct position.
–  Check to make sure that the retainer clips are properly seated.
–  Fit the fuel distribution with the injectors secured to the intake manifold and insert it evenly.
–  Fit the fuel rail hose to the intake manifold. Tightening torque: 7 Nm
Ibiza
–  Purge the fuel system → Chapter.
Altea - Altea XL - Leon
–  Purge the fuel system → Chapter.
  A24-0334

Exhaust system > < Engine control unit