13 53 602 Replacing Left High-Pressure Fuel Sensor

13 53 602 Replacing left high-pressure fuel sensor (N63)







WARNING:
Observe warning on cylinder head cover.
Disconnect battery negative terminal (risk of fire due to short-circuiting on removal).
Electric fuel pump starts up automatically when door is opened.
Carry out installation work on fuel system only with coolant temperature below 40°C.







IMPORTANT:
Wear full face guard and protective gloves.
Fuel can emerge spontaneously at high velocity when the high-pressure line is released.







IMPORTANT:
Adhere to conditions of absolute cleanliness when working on the high-pressure fuel system.
Introduced contaminants can cause malfunctions in the system.
- Do not allow any dirt particles or foreign bodies to get into the system.
- Remove all traces of dirt before removing pipes or individual components.
- Use only fluff-free cloths.
- Seal all fuel system openings with protective caps or plugs.







Necessary preliminary tasks:
- Remove left rail







Recycling:
Catch and dispose of escaping fuel in a suitable container.
Observe country-specific waste-disposal regulations.







Release high-pressure sensor (1) and remove.
Tightening torque 13 53 8AZ .







Assemble engine.
Check fuel system for leaks.
Check function of DME.