Bleeding fuel system (engine codes BEV and BGD only) — VW

📋 Procedure

1. Remove cover over fuse holder.
2. Pull fuse No. 28 out of fuse holder.
3. Connect remote controlV.A.G 1348/3A with adapter cableV.A.G 1348/3-2 to contact 28a to fuel pump and battery (+) positive.
4. Remove pressure hose between secondary air pump and combination valve.
5. Unscrew cap (arrow) from bleed valve.

6. Fit adapterV.A.G 1318/20-1 into adapterV.A.G 1318/20.
7. Turn valve (on T-piece) anti-clockwise until it is fully open.
8. Screw adapterV.A.G 1318/20 hand-tight onto bleed valve.
9. Connect the hose of diesel suction pumpVAS 5226 as shown.
10. Turn the valve (on T-piece) clockwise into the breather valve onto limit stop.
11. Check adapter and hose connections for leaks.
12. Operate remote controlV.A.G 1348/3A until bubble-free fuel comes out of the breather valve.
13. Turn valve (on T-piece) anti-clockwise until it is fully open again.
14. Pull hose off diesel suction pumpVAS 5226 (e.g. with hose clamps3094) and then off adapterV.A.G 1318/20-1.
15. Remove adapterV.A.G 1318/20 from breather valve.

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