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Thread: Fuel pump replacement. Just glad that the boot is so large!

  1. #1

    Default Fuel pump replacement. Just glad that the boot is so large!

    Posted here for posterity are my notes about this replacement that I recently did. An adventure to be sure!
    1998 D2 series S8
    1994 C4 series Audi 100 quattro, 2.8L AAH engine, 4 speed Automatic transmission (AET CEZ).
    1995 C4 series Audi A6 quattro sedan 2.6l ABC
    1995 C4 series Audi A6 quattro Avant 2.6l ABC

  2. The Following 4 Users Say Thank You to 100_quattroluap For This Useful Post:

    broke90 (April 3rd, 2020), IchBautAuto (March 30th, 2020), jaydece (April 6th, 2020), jsol (April 2nd, 2020)

  3. #2


    Thats a pro write-up. Anyone needing to do this will thank you. Great job.
    C5 RS6: Sportec, Milltek & Wagner -- B5 RS4 : tastefully modified -- Audi 1.8 quattro 132 Kw -- UNIMOG 404 TLF8

  4. #3
    Join Date
    Jan 2009
    Blue Mountains, NSW
    Thanked: 50


    That's VERY detailed! Some ideas for simple DIY tools. Thanks!

    2004 A6 C5 Sedan 3.0 V6 Quattro
    2005 A6 4F Sedan 3.2 V6 Quattro
    1999 A4 B5 Avant 2.4 V6

    1990 100 Sedan 2.3
    1991 90 Sedan 2.3
    1999 A4 B5 Sedan 2.4 V6

  5. #4


    Hi Paul,

    Glad to see you're on here too!

    I hope my input into the pump replacement job was of some use to you.

    If you're interested, I documented my experience replacing my pump in the D2 and I've linked it below.
    Make a cuppa, its a bit of a read as i trouble shoot my way to my problem. Pump housing was removed from the tank 3 times in total I think, which was how I learned the best method for removing it!
    (For those that don't realise, the D2 fuel pump is a pretty intricate bit of engineering brilliance, and a very cosy fit in the tank!)


    2001 S8 - 19" x 9" C5 RS6 rims, Solar Sunroof, heated leather front and rear seats, tinted side and rear glass, RNS-D, XCarlink, Bose, clunky old phone in arm rest...
    2002 S8 - 18" RS4 reps (for now), Solar Sunroof, 'Sports' mode shifter... Engine dropped valve on PO - work in progress...

    Gone but not forgotten:
    ​1997 A4 Quattro V6 Manual "Hamilton's Club Sport"

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