Recommended replacement interval for the part category Fuel filter : 60000 km

Important!

This replacement procedure can be used for:
AUDI A6 Avant (4F5, C6) 2.0 TDI, AUDI A6 Avant (4F5, C6) 2.0 TDI, AUDI A6 Avant (4F5, C6) 2.0 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

All the parts you need to replace – Fuel Filter for A6 Avant (4F5, C6) and other AUDI models

Fuel filter

Seal, fuel filter

        Fuel filter for AUDI A6 Avant (4F5, C6) 2.0 TDI Diesel (140 hp)
      
        Fuel filter for AUDI A6 Avant (4F5, C6) 2.0 TDI Diesel (136 hp)
      
        Fuel filter for AUDI A6 Avant (4F5, C6) 2.0 TDI Diesel (121 hp)

Replacement: fuel filter – AUDI A6 Avant (4F5, C6). Tools you might need:

                        All-purpose cleaning spray
                      
                        Torx bit T25
                      
                        Drive socket # 10 
                      
                        Flat Screwdriver
                      
                        Clic-R collar pliers
                      
                        Fender cover

Buy tools

Replacement: fuel filter – AUDI A6 Avant (4F5, C6). Tip from AUTODOC:

Ensure adequate ventilation of the workplace. Fuel vapors are poisonous.
All work should be done with the engine stopped.

Replacement: fuel filter – AUDI A6 Avant (4F5, C6). Take the following steps:

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.

Replacement: fuel filter – AUDI A6 Avant (4F5, C6). Tip from AUTODOC:
Raise the engine cover, holding it on two sides simultaneously.
Step 4

Unscrew the fasteners of the coolant reservoir. Use Torx T25.
Step 5

Remove the coolant reservoir.
Step 6

Clean the fuel filter. Use all-purpose cleaning spray.
Step 7

Loosen the fastening clamp of the fuel filter pipe. Use clic-R collar pliers.

Step 8

Disconnect the pipe from the fuel filter.

AUTODOC recommends:
Be careful! Fuel may leak from the filter housing and hoses.
Step 9

Loosen the fuel filter mounting. Use a drive socket #10.
Step 10

Disconnect the pipe from the fuel filter.
Step 11

Remove the fuel filter. Put the old filter cartridge in the container.
Step 12

Remove the o-rings. Use a flat screwdriver.
Step 13

Install new o-rings. Use a flat screwdriver.
Step 14

Install a new fuel filter.

Replacement: fuel filter – AUDI A6 Avant (4F5, C6). Professionals recommend:
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 Avant (4F5, C6) – It's important to only use high-quality car parts.
Step 15

Attach the pipe to the fuel filter.
Step 16

Attach the pipe to the fuel filter.
Step 17

Tighten the fuel filter fasteners. Use a drive socket #10.
Step 18

Tighten the fastening clamp of the fuel filter pipe. Use clic-R collar pliers.
Step 19

Install the coolant reservoir.
Step 20

Screw in the coolant reservoir fasteners. Use Torx T25.
Step 21

Run the engine for a few minutes. This is necessary in order to make sure that the component operates properly.

Step 22

Shut off the engine.

Step 23

Install the engine cover and secure it.

Replacement: fuel filter – AUDI A6 Avant (4F5, C6). Tip from AUTODOC experts:
Make sure the engine cover is properly seated. It should not be displaced with respect to the guiding fasteners.Do not apply excessive force when installing the part. Otherwise you may damage the fasteners.
Step 24

Remove the fender protection cover.

Step 25

Close the hood.

Replacement: fuel filter – AUDI A6 Avant (4F5, C6). AUTODOC recommends:
To protect the environment from pollution, be sure to dispose of the used filters at special collection points.

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