Smontaggio Iniettori e Rail Gasolio | Episodio 4 | Audi A4 B8 TDI – Riparazione Pompa CP4

The series dedicated to repairing the CP4 pump on my Audi A4 B8 TDI continues. In Episode 4, I cover the complete disassembly of the injectors, a crucial step in cleaning and inspecting the entire injection system after the CP4 has failed. In this video, we'll cover the following in detail: Disconnecting the diesel delivery and return pipes Removing the rail pipes to the injectors Removing the fuel rail Disconnecting the injector electrical connectors Removing the mounting brackets/anchoring supports Complete extraction of the four injectors Considerations and preparation for the next phase of the repair The goal of this series is to demonstrate the entire diagnostic and repair process step by step after a CP4 pump failure, to help anyone who wants to better understand how the system works or finds themselves in a similar situation. 🔗 Previous episodes of the series 📌 Episode 1 – Tank Removal and Cleaning    • Riparazione Pompa CP4 Audi A4 B8 – Episodi...   📌 Episode 2 – CP4 Fuel Pump Cleaning and Reassembly    • Pulizia e rimontaggio pompa carburante ser...   📌 Episode 3 – Pipe Cleaning and Diesel System Reassembly    • Pulizia tubi e rimontaggio impianto gasoli...