Fuel Tank, Draining, Fuel Delivery Unit Not Faulty

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required

Procedure

-- Observe the safety instructions. Refer to SAFETY PRECAUTIONS .

-- Follow the guidelines for clean working conditions. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

-- Switch off the ignition.

-- Attach a suitable adapter from the : VAS5190/10 onto the suction hose -1- from the : VAS5190A .

Fig 1: Fuel Extracting Device

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-- Open the fuel filler door.

Fig 2: The Fuel Filler Cap

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-- Remove the fuel filler neck cap -arrow-.

CAUTION:

There is a risk of the fuel tank exploding due to electrostatic discharge.

Severe injuries and burns are possible.

- Attach the fuel siphoning device ground cable to a bare area on the body.

Q7 Before Product Improvement:

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There Is a Risk of Injury Due to the Fuel Being under Pressure.

The fuel system is under pressure. Injuries are possible from fuel spraying out.

Before opening the fuel system:

-- Wear protective eyewear.

-- Wear safety gloves.

-- Reduce the pressure: place clean cloths around the connection point and carefully open the connection point.

-- Free up the fuel hose from the brackets -1 and 3- and disconnect the connector coupling -2-. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

Q8 and Q7 from Product Improvement:

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CAUTION:

There is a risk of injury due to the fuel being under pressure.

The fuel system is under pressure. Injuries are possible from fuel spraying out.

Before opening the fuel system:

-- Wear protective eyewear.

-- Wear safety gloves.

-- Reduce the pressure: place clean cloths around the connection point and carefully open the connection point.

-- Free up the fuel hose -1- at the bracket -2- and disconnect the connection coupling -3-. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

Continuation for All Vehicles:

-- Connect the suction hose with the : VAS5190/2 to the supply line in the engine compartment.

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-- Use the : VAS5190A to drain the fuel tank through the supply line.

-- Connect the Vehicle Diagnostic Tester.

-- Switch the ignition on.

-- Select and start OBD mode.

-- Start the basic setting without measured values: the fuel pump starts.

-- When no more fuel is being extracted, press Stop .