volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Emptying fuel tank if it is more than 3/4 full > < Draining fuel tank (engine codes BZB, CAWA, CAWB, CGYA, CCZA, CCZB, CDAA)
Emptying fuel tank when fuel pump is intact
Emptying fuel tank when fuel pump is intact
Special tools and workshop equipment required
t  Adapter for fuel extraction -VAS 5190 /3-
t  Test instrument adapter/DSO (5-pin) -VAS 5565-
t  Remote control -V.A.G 1348/3A-
  WARNING
t  Fuel supply line is pressurised. Wear eye protection and protective clothing to avoid possible injury and skin contact. Before loosening hose connections, wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection.
t  Connect fuel extractor -VAS 5190- earth wire to vehicle earth.
   
–  Pull off supply line (metal coupling) -arrow- and catch escaping fuel with a cloth.
  Note
Press in securing ring to release fuel lines.
  A20-10135
–  Connect fuel extractor -VAS 5190- with adapter for fuel extractor -VAS 5190 /3- to fuel supply line.
–  Remove bench seat → General body repairs, interior; Rep. gr.72.
  N20-10482
–  Remove cover -1- with fuel pump control unit -J538--2- from fuel delivery unit.
  N20-0603
–  Pull off connector -arrow-.
  N20-10623
–  Connect test instrument adapter/DSO (5-pin) -VAS 5565- to connector and fuel delivery unit.
–  Connect remote control -V.A.G 1348/3A- to test instrument adapter/DSO (5-pin) -VAS 5565- and to battery positive (+).
  Note
This step serves only to have the fuel pump running when the engine is stopped.
–  Remove filler cap from fuel tank filler neck.
–  Operate remote control -V.A.G 1348/3A- and shut-off tap on fuel extractor -VAS 5190- until fuel tank is empty.
  Caution
Fuel pump must not run »dry«.
  N20-10422

Emptying fuel tank if it is more than 3/4 full > < Draining fuel tank (engine codes BZB, CAWA, CAWB, CGYA, CCZA, CCZB, CDAA)