audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Checking fuel system > < Injectors
Removing and installing injectors
Removing and installing injectors
Removing
–  Remove engine cover panel.
–  Remove intake manifold and fuel rail → Chapter.
–  Pull off retaining clip and detach injector.
  Note
The fuel hoses must be detached before renewing the fuel rail.
Installing
Installation is carried out in the reverse order; note the following:
l  Renew the O-rings at all opened connections. (When renewing the front O-ring, ensure that the plastic cap is never removed from the injector head. The O-ring must be pulled off over the plastic cap).
l  Lubricate the O-rings with clean engine oil.
l  Make sure injectors are installed in correct position.
l  Make sure retaining clips are properly connected.
l  Position fuel rail together with injectors (properly secured) against intake manifold and press into place evenly.
   

Checking fuel system > < Injectors