When to replace the Pollen Filter on your AUDI 100
Recommended replacement interval for the part category Pollen filter : 30000 km
Important!
This replacement procedure can be used for:
AUDI 100 Saloon (4A2, C4) 2.4 D, AUDI 100 Saloon (4A2, C4) 2.5 TDI, AUDI 100 Saloon (4A2, C4) 2.0, AUDI 100 Saloon (4A2, C4) 2.0 E, AUDI 100 Saloon (4A2, C4) 2.3 E, AUDI 100 Saloon (4A2, C4) 2.6, AUDI 100 Saloon (4A2, C4) 2.8 E, AUDI 100 Saloon (4A2, C4) 2.3 E quattro, AUDI 100 Saloon (4A2, C4) 2.6 quattro, AUDI 100 Saloon (4A2, C4) 2.8 E quattro, AUDI 100 Saloon (4A2, C4) 2.0 E quattro, AUDI 100 Saloon (4A2, C4) 2.6, AUDI 100 Saloon (4A2, C4) 2.0 E 16V, AUDI 100 Saloon (4A2, C4) 2.0 E 16V quattro 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 – Pollen Filter for 100 Saloon (4A2, C4) and other AUDI models
Tools
Replacement: pollen filter – AUDI 100 (4A, C4). Tools you might need:
Fender cover
Replacement: pollen filter – AUDI 100 (4A, C4). AUTODOC experts recommend:
  • Replace the cabin filter at least once every six months, in early spring and autumn seasons.
  • Follow the terms, recommendations and requirements of the part operation provided by the manufacturer.
  • If the air flow into the cabin has sharply reduced, replace the filter before a scheduled maintenance.
  • Please note: all work on the car – AUDI 100 (4A, C4) – 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
    How to change Pollen Filter on Audi 100 C4 1990 - free PDF and video manuals
    Remove the cowl grille seal.
  2. Step 4
    How to replace AUDI 100 Saloon (4A2, C4) 2.3 E 1991 Pollen Filter - step-by-step manuals and video guides
    Raise up and remove the cowl grille.
  3. Step 5
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    Remove the cabin filter.
    Replacement: pollen filter – AUDI 100 (4A, C4). Professionals recommend:
    Do not attempt to clean and reuse the filter - it will affect the quality of air cleaning inside the car.
  4. Step 6
    Switch on the ignition.
    Step 7
    Close the heater flap.
    Step 8
    Switch off the ignition.
    Step 9
    Changing Pollen Filter on AUDI 100 Saloon (4A2, C4) 2.8 E 1993 by yourself
    Clean the cabin filter housing and cover.
    Replacement: pollen filter – AUDI 100 (4A, C4). Tip from AUTODOC:
    Remove any debris from the cabin filter housing carefully to prevent contamination of the ventilation duct.
  5. Step 10
    How to remove AUDI 100 2.6 1994 Pollen Filter - online easy-to-follow instructions
    Install the cabin filter to its mounting seat.
    Follow the air flow direction arrow on the filter.
    Check out the correct location of the filter element. Do not skew.Attention! Use quality filters – AUDI 100 (4A, C4).
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DIY AUDI 100 Saloon (4A2, C4) Pollen Filter replacement - online guide
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