When to replace the Fuel Filter on your AUDI A6
Recommended replacement interval for the part category Fuel Filter : 60000 km
Important!
This replacement procedure can be used for:
AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 1.9 TDI View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

Tools
Replacement: fuel filter – AUDI A6 (4B2, C5). Tools you'll need:
All-purpose cleaning spray
Drive socket # 10
Hose clamp pliers
Phillips screwdriver
Flat Screwdriver
Fender cover
Replacement: fuel filter – AUDI A6 (4B2, C5). Tip from AUTODOC:
  • Ensure adequate ventilation of the workplace. Fuel vapors are poisonous.
  • Please note: all work on the car – AUDI A6 (4B2, C5) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    Remove the engine cover caps. Use a flat screwdriver.
    Step 4
    How to change Fuel Filter on Audi A6 C5 Saloon 1997 - free PDF and video manuals
    Unscrew the engine cover fastener. Use a drive socket #10.
  2. Step 5
    How to replace AUDI A6 Saloon (4B2, C5) 2.4 1998 Fuel Filter - step-by-step manuals and video guides
    Remove the engine cover.
    Replacement: fuel filter – AUDI A6 (4B2, C5). AUTODOC experts recommend:
    Raise the engine cover, holding it on two sides simultaneously.
  3. Step 6
    Audi A6 C5 Saloon 1.8 T 1999 Fuel Filter replacement: free workshop manuals
    Clean the fuel filter. Use all-purpose cleaning spray.
  4. Step 7
    Changing Fuel Filter on AUDI A6 Saloon (4B2, C5) 1.9 TDI 2000 by yourself
    Loosen the fastening clamps of the fuel filter pipes. Use hose clamp pliers with retainer.
  5. Step 8
    How to remove AUDI A6 2.5 TDI quattro 2001 Fuel Filter - online easy-to-follow instructions
    Detach the tubes from the fuel filter.
    Replacement: fuel filter – AUDI A6 (4B2, C5). Tip from AUTODOC experts:
    Be careful! Fuel may leak from the filter housing and hoses.
  6. Step 9
    How to replace Fuel Filter on AUDI A6 Saloon (4B2, C5) 2002: download PDF manuals and video instructions
    Loosen the fuel filter mounting. Use a Phillips screwdriver.
  7. Step 10
    How hard is it to do yourself: Fuel Filter replacement on Audi A6 C5 Saloon 2.4 2003 - download illustrated guide
    Remove the fuel filter pipe retainer.
  8. Step 11
    Need to know how to renew Fuel Filter on AUDI A6 2004? This free workshop manual will help you to do it yourself
    Disconnect the pipe from the fuel filter.
  9. Step 12
    Changing of Fuel Filter on Audi A6 C5 Saloon 2005 won't be an issue if you follow this illustrated step-by-step guide
    Remove the fuel filter. Put the old filter cartridge in the container.
  10. Step 13
    AUDI A6 2.5 TDI Fuel Filter replacement: online guides and video tutorials
    Install a new fuel filter.
    Replacement: fuel filter – AUDI A6 (4B2, C5). Tip from AUTODOC:
    Make sure that the fuel filter is positioned correctly. Consider the fuel flow direction mark.During installation, take care to prevent dust and dirt from getting into the fuel filter housing.AUDI A6 (4B2, C5) – It's important to only use high-quality filters.
  11. Step 14
    Replacing Fuel Filter on Audi A6 C5 Saloon 1998 2.4 by yourself
    Tighten the fuel filter fasteners. Use a Phillips screwdriver.
  12. Step 15
    A6 Saloon (4B2, C5) 2.5 TDI quattro 1999 Fuel Filter DIY replacement workshop manual
    Remove the o-rings. Use a flat screwdriver.
  13. Step 16
    How to change Fuel Filter on AUDI A6 Saloon (4B2, C5) 2000 - tips and tricks
    Install new o-rings.
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DIY AUDI A6 Saloon (4B2, C5) Fuel Filter replacement - online guide
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