seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

High-pressure pump: removing and fitting > < Checking current draw
High-pressure pump: assembly overview
   
High-pressure pump: assembly overview
1 - Installation tool
2 - O-ring
q   Replace.
q   Before installing moisten with clean engine oil
3 - High-pressure pump with fuel pressure regulating valve -N276-
4 - 10 Nm
5 - Coupling connection, 25 Nm
q   Do not fit the fuel pipe under stress
6 - High-pressure pipe
q   Remember safety precautions for fuel pressure reduction in the high-pressure system → Chapter.
q   The fuel pressure in the high-pressure pipe may be as high as 120 bar. Wear safety goggles and appropriate clothing to avoid injury and contact with skin. Before removing the fuel hoses, wrap a cloth around the connection. Then release pressure by carefully loosening the hollow bolt.
7 - Hollow bolt with conical seal seat, 17 Nm
q   Replace.
q   Do not fit the fuel pipe under stress
q   When removing the connection hose, it must be retained at the high-pressure pump side
8 - Fuel pipe
q   Low pressure
9 - Oil seal
q   Replace.
10 - Fuel pressure sensor, low pressure -G410-, 15 Nm

   

High-pressure pump: removing and fitting > < Checking current draw