Contents: Removal procedure ↧ Installation procedure ↧
Caution! Do not smoke or use open flames in areas where work is being performed on the fuel system. When working on the fuel system, disconnect the negative battery cable except for those checks that require battery voltage.
Removal procedure
1. Remove the common rail assembly. See "Common Fuel Rail" in this section.
2. Clean the pressure sensor mating area in the rail using appropriate degreasing agents and dry with compressed air.
Note: Do not allow cleaning agents to enter the electrical connector.
3. Remove the fuel rail pressure sensor together with the gasket, if present.
Caution! Immediately after removing the fuel lines, put the cap on the common rail pressure sensor to avoid contamination with dust. Even a small amount of dust can clog the injectors.
Installation procedure
Caution! Do not blow air from a spray bottle inside the injector couplings, common rail and injection pump. If dirty, wipe the dusty area with oiled paper.
Caution! Do not wipe with napkins inside the injector couplings, common rail and injection pump. If dirty, wipe the dusty area with oiled paper.
1. Inspect and clean the threads and sealing surface of the ramp.
2. Inspect and clean the threads and sealing surface of the rail pressure sensor.
3. Apply Ft1v27 grease to the thread (a) and the cutting edge (b) of the rail pressure sensor (only a thin film of lubricant).
4. Install the rail pressure sensor on the common fuel rail.
Tighten
Tighten the rail pressure sensor to 70 Nm (51.6 ft·lbs).
5. Perform fuel bleeding. See "Pumping fuel" in this section.
6. When replacing, reset EEPROM values for ZFC (Zero fuel trim), using a diagnostic tool.
The material was created based on information from the website «CHEVYMAN.RU»