We remove the ramp for checking and replacing the injectors, as well as for dismantling the intake manifold.
We relieve the fuel pressure (described in the article - Replacing the Renault Duster additional fuel filter)
Disconnect the negative terminal of the battery.
Remove the fuel rail protection, for this:
On the F4R engine, through the channels with the head 13, unscrew the two nuts of the studs securing the ramp protection
We take it out of the engine compartment
On F4R engine
Press the latch on the tip of the fuel delivery tube to the rail
Remove the tip of the tube from the fuel rail union
We press on the clamp of the block of wires, disconnect the block from the injector connector.
We also disconnect all the pads from the rest of the injectors.
With a head of 8, unscrew the two bolts securing the fuel rail to the intake manifold
Pulling the ramp, remove all four injectors from the holes in the intake manifold
The photo shows the holes for the injectors in the intake manifold
Снимаем запорную скобу форсунки
We take out the nozzle from the ramp socket
Prying off with a thin screwdriver, remove the injector O-rings
Gray rings The injector is sealed in the fuel rail, and the brown one is sealed in the intake manifold.
On K4M engine
We remove the fuel rail in the same way as on a 2.0 liter engine.
Remove the fuel rail with injectors
Pry the retainer with a screwdriver
Remove the injector locking bracket
We take out the nozzle from the fuel rail socket
Prying off with a thin flat screwdriver, remove the nozzle O-rings.
The nozzle is sealed with two rubber rings.
Blue in the fuel rail, black in the intake manifold.
The assembly and installation of the fuel rail with injectors is carried out in the reverse order.
Before installing the injectors, apply a thin layer of engine oil to their O-rings.
After installing the locking bracket, we check for each injector the reliability of its fixation in the ramp socket.