Fuel Tank, Draining With Fuel Pump Installed
Special tools and workshop equipment required
- Injection Rate Comparison Meter Kit - Remote Cable:V.A.G 1348/3A
- Vehicle Diagnostic Tester - Test Adapter - 5 Pin:VAS 5565
- Fuel Extractor:VAS 5190A
- Fuel Extraction - Adapter 3:VAS 5190/3
If the Fuel Extractor:VAS 5190A has a suction hose with a mounted tip, then replace this with one that has a tip which screws on.
-- Disconnect the fuel supply line -1-. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .
The fuel system is under pressure.
Risk of injury from fuel spraying out.
- Wear protective eyewear.
- Wear safety gloves.
- Reduce the pressure: place clean cloths around the connection point and carefully open the connection point.
-- Collect leaking fuel with a cleaning cloth.
-- Connect the Fuel Extractor:VAS 5190A and Fuel Extraction - Adapter 3:VAS 5190/3 to the fuel supply line.
-- Attach the ground wire of the Fuel Extractor Unit to a bare area on the body.
Risk of a fire due to leaking fuel.
Severe injuries and burns are possible.
- Make sure all connected lines are securely in place by pulling on them.
- Remove any cleaning cloths soaked in fuel from the vehicle area.
-- Open the fuel filler door unit -2-.
-- Clean the area around the fuel filler neck.
-- Remove the cap -1- for the fuel filler neck.
Drain the fuel tank with the Vehicle Diagnostic Tester:
-- Select repair group 20 Fuel Supply System on the Vehicle Diagnostic Tester.
-- Follow the instructions on the Vehicle Diagnostic Tester, and press the shut-off valve on the Fuel Extractor:VAS 5190A .
Drain the fuel tank with the Injection Rate Comparison Meter Kit - Remote Cable: V.A.G 1348/3A :
-- Connect the Injection Rate Comparison Meter Kit - Remote Cable:V.A.G 1348/3A . Refer to REMOTE CONTROL, CONNECTING .
-- Press the Injection Rate Comparison Meter Kit - Remote Control:V.A.G 1348/3A and the shut-off valve on the Fuel Extractor:VAS 5190A until the fuel tank is empty.
Continuation for All Vehicles:
Risk of a fire due to leaking fuel.
Severe injuries and burns are possible.
- Make sure all connected lines are securely in place by pulling on them.
- Remove any cleaning cloths soaked in fuel from the vehicle area.
The shut-off valve must be closed temporarily on AWD vehicles. This produces counter pressure in the fuel supply line and the suction jet pump in the fuel tank will be activated.
Risk of damaging/destroying the Transfer Fuel Pump -G6- when the fuel tank is empty. The Transfer Fuel Pump - G6- must not run >>dry<<.