seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Rules for cleanliness > < Dismantling and assembling fuel rail with injectors
Safety precautions
Safety precautions
  Warning
Fuel system is under pressure! Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the connection.
To prevent injuries to persons and/or damage to the fuel injection and ignition system, the following must be noted:
t  For safety reasons, the fuse No. 7 must be removed from the fuse holder before opening the fuel system, otherwise the fuel pump can be activated by the door contact switch.
t  Do not touch or disconnect ignition wiring when the engine is running or being turned at starter speed.
t  The ignition must be switched off before connecting or disconnecting injection or ignition system wiring or tester cables.
Observe following if test and measuring instruments are required during a test drive:
t  Test and measuring instruments must be secured to rear seat and operated by a 2nd person from this location.
If test and measuring instruments are operated from front passenger's seat and the vehicle is involved in an accident, there is a possibility that the person sitting in this seat may receive serious injuries when the airbag is triggered.
t  If the engine is to be turned at starter speed, without starting:
   
–  Pull all 4-pin connectors -2- off output stage for ignition coils -1-.
  N28-0170
–  Remove fuse 7.
  Note!
Removing fuse 7 interrupts the voltage supply to the injectors.
  N01-0220

Rules for cleanliness > < Dismantling and assembling fuel rail with injectors