Fuel supply system - Petrol engines

Emptying fuel tank if it is less than 3/4 full

~2min read
Emptying fuel tank if it is less than 3/4 full

Special tools and workshop equipment required

Removal wedge -3409-

Wrench -T10202-

Torque wrench -V.A.G 1332-

Fuel extractor -VAS 5190-

Fuel extractor -VAS 5190 A- for E 85 fuel (not shown).


Note

To extract E 85 fuel, use only fuel extractor -VAS 5190 A-!

  • Observe safety precautions → Chapter.
  • Observe rules for cleanliness → Chapter.
  • Secure earth wire of fuel extractor to a bare metal part of the body.

Golf SV:

  • Remove right rear seat → General body repairs, interior; Rep. gr.72.
  • Partially detach cover -1- in floor covering at parting line -arrow-.
  • Do not detach cover completely from floor covering in order to ensure it is reinstalled in the correct installation position.
  • Detach it just enough that the cover can be folded upwards.
  • Fold up cover in -direction of arrow-.

Golf and Golf Estate:

  • Remove rear bench seat → General body repairs, interior; Rep. gr.72.
Emptying fuel tank if it is less than 3/4 full

Continuation for all vehicles:

  • Unclip cover -1- for flange at retaining tabs -arrows-, using removal wedge -3409-.
Emptying fuel tank if it is less than 3/4 full
  • Unclip sealing grommet -1- downwards from cover -2-.
  • Push cover -2- back along wiring harness -3-.
Emptying fuel tank if it is less than 3/4 full
  • Release and pull off connector -1- on sealing flange.
  • If fitted, detach connector -2- for metering pump -V54- of auxiliary heater on sealing flange and lay connector aside.
Emptying fuel tank if it is less than 3/4 full
  • Push tab -2- upwards in -direction of arrow A-.
  • To do this, reach in with your finger between floor panel and fuel tank.
  • At the same time, carefully pull fuel pump control unit -J538--1- out of mounting -in direction of arrow B- by grasping hold of wiring harness -3-.
  • Guide fuel pump control unit -J538- out towards interior between fuel tank and floor panel.
  • Place fuel pump control unit -J538- together with wiring harness to one side.
Emptying fuel tank if it is less than 3/4 full
  • Disconnect fuel line -1- on sealing flange. Separate plug-in connectors → Chapter.
The fuel system is pressurised.Risk of injury due to fuel which may spurt out.Wear eye protection.Wear protective gloves.Release pressure: place clean cloth around connection and carefully open connection.
  • If fitted, remove fuel line -2- leading to metering pump -V54- for auxiliary heater from sealing flange.
  • To do this, loosen lower hose clip.
Emptying fuel tank if it is less than 3/4 full
  • Open locking ring using wrench -T10202-.
Emptying fuel tank if it is less than 3/4 full
  • Carefully lift flange of fuel delivery unit -3-.
  • Remove gasket -1- and carefully lift up the flange of the fuel delivery unit slightly more.
  • Secure earth wire of fuel extractor to a bare metal part of the body.
  • Insert suction hose of fuel extractor -VAS 5190- as far as possible into fuel tank.
  • Extract fuel using fuel extractor -VAS 5190-.
If the fuel tank needs only to be emptied, reinstall fuel delivery unit → Chapter.

Specified torques

→ Chapter „Assembly overview - fuel delivery unit and fuel gauge sender“

→ Auxiliary heater, supplementary heater; Rep. gr.82.

Emptying fuel tank if it is less than 3/4 full

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.