13 53 596 Replacing high pressure fuel sensor (N20)
Observe warning on cylinder head cover.
Disconnect NEGATIVE BATTERY 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.
Wear full face guard and protective gloves.
Fuel can emerge spontaneously at high speed when the high pressure line is released!
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 contamination before removing lines or separate components.
- Use only fluff-free cloths.
- Seal all fuel system openings with protective caps or plugs.
Necessary preliminary tasks:
- Remove the ACOUSTIC COVER .
Recycling:
Fuel escapes when fuel lines are detached.
Catch and dispose of escaping fuel in a suitable container.
Observe country-specific waste disposal regulations.
Unlock connector (1) and remove.
Release high pressure sensor (2) and remove.
Tightening torque 13 53 1AZ .
Close the rail with fitting plugs if necessary.
Installation note:
Oil the thread and cone on the high pressure sensor.
Assemble engine.
Check fuel system for tightness.
Check function of DME.