Recommended replacement interval for the part category Oil filter : 1 year / 15000 km

Important!

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

Alternative products

Oil filter

Replacement: engine oil and filter – AUDI A6 Avant (4F5, C6). Tools you need:

                      Wire brush
                    
                      All-purpose cleaning spray
                    
                      Torque wrench
                    
                      Drive socket # 19 
                    
                      Drive socket # 36 
                    
                      Ratchet wrench
                    
                      Flat Screwdriver
                    
                      Funnel
                    
                      Oil drain pan
                    
                      Fender cover

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Replacement: engine oil and filter – AUDI A6 Avant (4F5, C6). AUTODOC recommends:

Replace the oil filter every time when changing motor oil.
Wear gloves to prevent contact with hot liquid.
All work should be done with the engine stopped.

Replacement: engine oil and filter – AUDI A6 Avant (4F5, C6). Use the following procedure:

Step 1

Open the hood.

Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.

Step 3

Unscrew the oil filler plug.
Step 4

Lift the car using a jack or place it over an inspection pit.

AUTODOC recommends:
The vehicle must be on even keel, and if it is at an angle, the drain plug must be at the lowest point.All work should be done with the engine stopped.
Step 5

Put a waste oil container with at least 5 l capacity under the drainage hole.
Step 6

Clean the area of the oil pan drainage hole. Use a wire brush. Use all-purpose cleaning spray.
Step 7

Unscrew the drain plug. Use a drive socket #19. Use a ratchet wrench.
Step 8

Drain the used oil.

Replacement: engine oil and filter – AUDI A6 Avant (4F5, C6). Tip:
Caution! The oil may be hot.
Step 9

Disconnect the engine wiring harness connector.
Step 10

Unscrew the cap of the oil filter cover.
Step 11

Prepare a container for the old oil filter.

Step 12

Unscrew the filter housing cap together with the old filter element. Use a drive socket #36. Use a ratchet wrench.
Step 13

Put the old oil filter in the container.

Replacement: engine oil and filter – AUDI A6 Avant (4F5, C6). Tip from AUTODOC experts:
Move up the container. The oil starts to drain out of the drainage hole immediately after you have removed the oil filter.
Step 14

Clean the oil filter seat. Use all-purpose cleaning spray.
Step 15

Detach the oil filter from the filter cover.
Step 16

Remove the oil filter cover O-ring. Use a flat screwdriver.
Step 17

Clean the oil filter housing cap. Use all-purpose cleaning spray.
Step 18

Install a new O-ring to its mounting seat on the filter cover.
Step 19

Install the new oil filter to the mounting seat on the filter cover.

Please note!
Make sure to install the filter correctly. Don't mix up the sides of the part.
Step 20

Lubricate the rubber seal of the new filter with a little amount of fresh oil.
Step 21

Install a new oil filter housing cover and tighten it. Use a drive socket #36. Use a torque wrench. Tighten it to 25 Nm torque.
Step 22

Screw on the cap of the oil filter cover.
Step 23

Clean the area of the oil pan drainage hole.
Step 24

Screw in the new drainage plug and tighten it. Use a drive socket #19. Use a torque wrench. Tighten it to 26 Nm torque.
Step 25

Clean the area of the oil pan drainage hole. Use all-purpose cleaning spray.
Step 26

Lower the car.

Step 27

Connect the engine wiring harness connector.
Step 28

Remove the oil filler cap.
Step 29

Insert the funnel.
Step 30

Pour new oil into the engine in the amount recommended by the car manufacturer.

Replacement: engine oil and filter – AUDI A6 Avant (4F5, C6). AUTODOC recommends:
Use the oil recommended by the manufacturer.
Step 31

Check the oil level using the dipstick. Top up oil if necessary.

Please note!
The oil level should be between the Min and Max marks.
Step 32

Install the oil filler cap.

Step 33

Tighten the oil filler cap.
Step 34

Run the engine for a few minutes. After the oil pressure warning light goes out, stop the engine.

Step 35

Check the oil level 5 minutes after the stop of the engine operation using a dipstick and add oil if necessary.

Please note!
The oil level should be between the Min and Max marks.Make sure that the oil filler cap is properly tightened.Check the threaded plug of the drainage hole and the oil filter seal for tightness. If necessary, carefully tighten them up.
Step 36

Remove the fender protection cover.

Step 37

Close the hood.

Replacement: engine oil and filter – AUDI A6 Avant (4F5, C6). Professionals recommend:
Note that oil pressure warning light, which indicates insufficient pressure in the lubrication system, may be on for a longer time than usual. After a few seconds, the oil will fill all the channels, and the light will go out. To protect the environment from pollution, be sure to dispose of the used filters at special collection points.

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