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Electronic power control (EPC) > < Checking current draw

Polo Mk5

Bleeding fuel system
   
Bleeding fuel system
Special tools and workshop equipment required
t  Remote control for V.A.G 1348 -V.A.G 1348/3A-
t  Adapter cable -V.A.G 1348/3-2-
t  Diesel extractor -VAS 5226-
t  Adapter -V.A.G 1318/20-
t  Adapter -V.A.G 1318/20-1-

Prerequisites
l  Fuses must be OK.
l  The battery voltage must be at least 11.5 V.
l  Fuel pump relay must be OK.
Procedure
–  Remove fuse holder cover.
   
–  Pull the fuse for the fuel pump out of the fuse holder. Fuse assignment → Current flow diagrams, Electrical fault finding and Fitting locations
–  Connect remote control for V.A.G 1348 -V.A.G 1348/3A- with adapter cable -V.A.G 1348/3-2- to right contact of fuel pump and battery positive (+).
–  Remove air filter housing (only engine codes AUA, AUB, BBY, BBZ and BKY) → Chapter
  N20-0513
–  Remove cover -arrow- from breather valve.
  N20-0509
–  Screw adapter -V.A.G 1318/20-1- onto adapter -V.A.G 1318/20-.
–  Turn valve (on T-piece) anti-clockwise until it is entirely open.
  N20-0528
–  Screw adapter -V.A.G 1318/20- hand-tight onto bleeder valve.
–  Connect hose from diesel extractor -VAS 5226- as illustrated.
–  Turn valve on T-piece clockwise into bleed valve to stop.
–  Check adapter and hose connections for leaks.
–  Operate remote control for V.A.G 1348 -V.A.G 1348/3A- until fuel flows free of air bubbles from breather valve.
–  Turn valve (on T-piece) anti-clockwise until it is entirely open again.
–  Clamp off hose from diesel extractor -VAS 5226- (e.g. using hose clips up to Ø 25 mm -3094-) and pull it off adapter -V.A.G 1318/20-1-.
–  Unscrew adapter -V.A.G 1318/20- from breather valve.
  N20-0529

Electronic power control (EPC) > < Checking current draw