2. Unscrew the injectors with a suitable key (27 mm).
3. Clean and inspect the injectors.
4. Connect the nozzle to the test device and release air through the union nut.
5. Check the injector opening pressure by pressing the pump handle once per second.
- New injector: 130-138 kgf/cm²
- Working nozzle: 125-135 kgf/cm²
Be sure to check the injection start pressure before installing a new injector.
6. Check the jet pattern by fully depressing the pump handle once per second.
7. If the injection start pressure or jet pattern is different from normal, adjust, clean or replace the nozzle.
8. Install the injectors in place, connect the fuel supply and outlet lines.
Tightening torques, Nm:
- Nozzles: 59-69
- Supply pipes: 22-25
- Outlet tube: 39-49
(The publication is reprinted from this resource Nissanbook.ru)
9. Remove air from the fuel system and after starting the engine, check for fuel leaks.