
The fuel rail is removed to check and replace the injectors, as well as when replacing the rail itself or the intake pipe

The hydraulic unit structurally consists of an electronic control unit (ECU) and a hydraulic modulator containing electromagnetic valves (EMV), a return pump and an electric motor of the return pump

You will need: 13 mm, 17 mm, 27 mm wrenches, and a lug wrench.
Disconnect the front propeller shaft from the front axle gearbox (see "Removing and lubricating the Niva propeller shaft").