Audi Workshop Service and Repair Manuals

Draining fuel tank Special tools and workshop equipment required

t  Fuel extractor -VAS 5190-

Procedure Observe safety precautions → Chapter. Observe rules for cleanliness → Chapter.   Caution Observe notes on procedure for disconnecting the battery → Rep. Gr.27. –  Slide cover above battery to the right -arrow 1- and lift off -arrow 2-.

–  With ignition switched off, disconnect earth strap -arrow- at battery.   Caution Secure earth wire of fuel extractor -VAS 5190- to a bare metal part on the body.

–  Detach tapered adapter -2- from shaft end -1- of fuel extractor -VAS 5190-. –  Use insulating tape to mark the extraction hose -arrow- at a distance of -a- = 1465 mm from the end of the hose.

–  Remove filler cap from fuel filler neck. –  Screw shaft end -1- of fuel extractor -VAS 5190- onto fuel filler neck. –  Push extraction hose into fuel tank until marking on extraction hose -arrow- coincides with shaft end.   Note

t  The procedure when using a fuel extractor without shaft end is basically the same. t  In this case, make a mark -arrow- on the extraction hose at distance -a- = 1400 mm from the end of the hose using insulating tape. The extraction hose has been properly inserted when the affixed mark is level with the edge of the filler neck. t  If hose is difficult to insert, apply a thin coat of engine oil. DO NOT use silicone-based lubricant. –  Drain fuel tank via fuel filler neck. –  Carefully remove extraction hose.