Fuel Tank, Draining With Fuel Pump Installed
Special tools and workshop equipment required
- Trim Removal Wedge: 3409
- Injection Rate Comparison Meter Kit - Remote Cable: VAG1348/3A
- Vehicle Diagnostic Tester - Test Adapter - 5 Pin: VAS5565
- Fuel Extractor VAS5190A: VAS5190
- Fuel Extraction Unit: VAS5190A for E 85 - fuel.
- Fuel Extraction Adapter: VAS5190
- Connector Test Set: VAG1594D
If the : VAS5190 has a suction hose with a mounted tip, then replace that with one that has a tip that screws on.
Pay attention to all safety precautions. Refer to SAFETY PRECAUTIONS .
Follow the guidelines for clean working conditions. Refer to PARKING/AUXILIARY HEATER AND FUEL SYSTEM CLEAN WORKING CONDITIONS .
-- Remove the tip -1- from the fuel extraction hose for the fuel extraction unit : VAS5190 .
-- Install the : VAS5190/2 from the : VAS5190/10 on the suction hose.
-- Remove the fuel supply line -1- and wipe up any fuel with a cleaning cloth. 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.
-- Connect the : VAS5190A and : VAS5190/3 to the fuel supply line.
-- Attach the ground wire of the : VAS5190A to a bare area on the body.
-- Remove the bench seat. Refer to BENCH SEAT/SINGLE SEAT, REMOVING AND INSTALLING .
-- If equipped, remove the Fuel Pump Control Module -J538- -2- from the cover -1-.
-- Unclip the sealing flange cover -1- at the tabs in direction of -arrows- using the : 3409 .
-- Disconnect the connector -arrow-.
-- Attach the : VAS5565 to the connector and to the fuel delivery unit.
-- Connect the : VAG1348/3A to the : VAS5565 and battery positive (+).
This step allows the fuel pump to run when the engine is not running.
There is a risk of destroying the fuel pump if it runs dry.
Never let the fuel pump run >>dry<<.
-- Open the fuel filler door.
-- Remove the cap -arrow- from the fuel filler neck.
-- Clean the area around the fuel filler neck.
-- Press the : VAG1348/3A and the shut-off valve on the : VAS5190 until the fuel tank is empty.
Risk of the fuel tank exploding when starting the fuel pump.
Severe injuries and burns are possible.
- After installing a new or completely empty fuel tank, immediately fill with at least 5 liters of fuel.