Attention! It is forbidden to remove the pressure regulator on the high pressure fuel pump SRZ.
Attention! Before carrying out any work, connect the after-sales diagnostic tool, communicate with the injection computer and check. that the fuel rail is not under pressure. Take precautions against possible burns from hot fuel.
Removing
Disconnect the battery. Disconnect the wiring harness from the regulator.
Remove the fuel temperature sensor mounting bracket.
Turn away bolts of fastening of a regulator.
Remove the pressure regulator by turning it counterclockwise (when removing the regulator from the pump, do not apply significant force to it, using any tool as a lever).
Installation
Replace seals.
Lubricate all new gaskets with clean diesel fuel.
Install the regulator on the pump by turning it clockwise (do not use any tools when installing the regulator).
Install the regulator mounting bolts and tighten them to the specified torque.
Connect the connector.
After performing any work, check that there are no fuel leaks. Let the engine idle until the electric fan of the cooling system turns on, then increase the engine idle speed several times.