Fuel Tank, Draining When Less Than 3/4 Full
Special tools and workshop equipment required
- Trim Removal Wedge: 3409
- Wrench - Fuel Sending Unit: T10202
- Torque Wrench 1332 40-200Nm: VAG1332
- Fuel Extractor VAS5190A: VAS5190
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 rear 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-.
-- Remove the fuel lines -1 and 2- from the flange. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS .
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.
If the vehicle has an auxiliary heater, then disconnect the connector and the fuel line from the Metering Pump -V54-.
-- Open the locking ring using the : T10202 and lift the flange slightly.
-- Carefully lift the fuel delivery unit flange -3-.
-- Remove the seal -1- and slightly lift the fuel delivery unit flange again carefully.
-- Attach the ground wire of the : VAS5190 to a bare area on the body.
-- Insert the suction hose for the : VAS5190 as deep as possible into the fuel tank.
-- Extract the fuel using the : VAS5190 .
If the fuel tank was just drained, then reinstall the fuel delivery unit. Refer to FUEL DELIVERY UNIT/FUEL LEVEL SENSOR, REMOVING AND INSTALLING .
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 (5.2 quarts) of fuel.
Tightening Specifications
- Refer to OVERVIEW - FUEL TANK
- Refer to the appropriate Service Information .