When to replace the Air Filter on your AUDI A6
Recommended replacement interval for the part category Air filter : 60000 km
Important!
This replacement procedure can be used for:
AUDI A6 Saloon (4B2, C5) 1.8 T, AUDI A6 Saloon (4B2, C5) 1.8 T quattro, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.4 quattro, AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 2.8, AUDI A6 Saloon (4B2, C5) 2.8 quattro, AUDI A6 Saloon (4B2, C5) 1.8, AUDI A6 Saloon (4B2, C5) 2.7 T, AUDI A6 Saloon (4B2, C5) 2.7 T quattro, AUDI A6 Saloon (4B2, C5) 1.8 T quattro, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 3.7, AUDI A6 Saloon (4B2, C5) 4.2 quattro, AUDI A6 Saloon (4B2, C5) 3.7 quattro, AUDI A6 Saloon (4B2, C5) 1.8 T, AUDI A6 Saloon (4B2, C5) S6 quattro, AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 1.8, AUDI A6 Saloon (4B2, C5) 2.8, AUDI A6 Saloon (4B2, C5) 2.8, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.0, AUDI A6 Saloon (4B2, C5) 3.0, AUDI A6 Saloon (4B2, C5) 3.0 quattro, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.4 quattro, AUDI A6 Saloon (4B2, C5) 2.7 T quattro, AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 2.4, AUDI A6 Saloon (4B2, C5) 2.4 quattro, AUDI A6 Saloon (4B2, C5) 2.4 quattro, AUDI A6 Saloon (4B2, C5) 2.7 quattro, AUDI A6 Saloon (4B2, C5) 2.8 quattro, AUDI A6 Saloon (4B2, C5) 3.0 quattro, AUDI A6 Saloon (4B2, C5) 2.8 quattro, AUDI A6 Saloon (4B2, C5) 3.0 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

All the parts you need to replace – Air Filter for A6 Saloon (4B2, C5) and other AUDI models
Tools
Replacement: air filter – AUDI A6 (4B2, C5). Tools you might need:
Electronic spray
Phillips screwdriver
Microfibre towel
Fender cover
Replacement: air filter – AUDI A6 (4B2, C5). AUTODOC experts recommend:
  • Follow the terms, recommendations and requirements of the part operation provided by the manufacturer.
  • 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 hood.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
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    Remove the air filter housing cover.
    AUTODOC recommends:
    Replacement: air filter – AUDI A6 (4B2, C5). Do not use excessive force when removing the part as this may damage it.
  2. Step 4
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    Unscrew the fasteners of the air distribution housing assembly. Use a Phillips screwdriver.
  3. Step 5
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    Remove the air distribution housing assembly.
  4. Step 6
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    Detach the mass air flow sensor connector.
  5. Step 7
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    Release the air filter cover clips.
  6. Step 8
    How to replace Air Filter on AUDI A6 Saloon (4B2, C5) 2002: download PDF manuals and video instructions
    Slightly raise the cover of the air filter housing.
  7. Step 9
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    Remove the filter element from the filter housing.
  8. Step 10
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    Cover the air intake hose with a microfibre towel to prevent dust and dirt from getting into the system.
  9. Step 11
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    Clean the air filter cover and housing.
    Replacement: air filter – AUDI A6 (4B2, C5). Tip from AUTODOC:
    Before cleaning the air filter cover and housing, cover the air duct parts, mass airflow sensor (if available), throttle valve with a clean cloth.
  10. Step 12
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    Remove the microfibre towel from the air intake hose.
  11. Step 13
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    Insert a new filter element into the filter housing. Make sure that the filter edge fits tight to the housing.
    Replacement: air filter – AUDI A6 (4B2, C5). AUTODOC recommends:
    Check out the correct location of the filter element. Do not skew.Attention! Use quality filters – AUDI A6 (4B2, C5).During installation, make sure to prevent dust and dirt from getting into the air filter housing.
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DIY AUDI A6 Saloon (4B2, C5) Air Filter replacement - online guide
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