Do it yourself
Frequently asked questions about cars and motorcycles
Car Tutorial (Do it yourself) Motorcycle Tutorial (Do it yourself) Frequently Asked Questions
How do you remove the fuel pump on a 2003 Audi A6?
Answer: The fuel pump is located under the rear seats which we must remove. Immediately after, we can remove the cap of the pump compartment by unscrewing the... read all

Posted on 21-06-2023
How do you replace the accessory drive belt on the Audi A6 V6 TDI?
Answer: The accessory belt of the mentioned vehicle connects the water pump, alternator, and air conditioning compressor. To replace it, you need to open the ... read all

Posted on 16-06-2023
Why did the transmission malfunction warning light turn on in the Audi A6?
Answer: The reasons why the transmission malfunction indicator light has turned on in the Audi A6 can be different. It is present in all-wheel-drive versions ... read all

Posted on 5-06-2023
Where is the air conditioning compressor located in the Audi A6 Allroad?
Answer: In the Audi A6 Allroad, the air conditioning compressor is located in the lower left area of the engine, which is on our right when facing the vehicle... read all

Posted on 5-05-2023
Why won't the fuel tank flap of the Audi A6 open?
Answer: If you are unable to properly open the fuel tank door of your Audi A6, it means that there is a buildup of dirt inside the opening mechanism. To remov... read all

Posted on 18-04-2023
Could AdBlue cause problems in the Audi A6?
Answer: In the event that the pollution-reducing additive in question runs low in its tank, the corresponding warning light on the dashboard will illuminate. ... read all

Posted on 16-04-2023
Where are the fuses located in the Audi A6 C6 version?
Answer: The Audi A6 C6 version has 3 fuse boxes. Two are located in the passenger compartment; the first is located in the thickness of the dashboard on the d... read all

Posted on 13-04-2023
Why doesn't the convertible top of the Audi A6 work?
Answer: If the soft top of the Audi A6 doesn't work it is possible that the fuse which regulates its operation has blown; the problem could also depend on dam... read all

Posted on 26-03-2023
How much does it cost to replace the timing chain in the Audi A6 3.0 TDI?
Answer: The timing chain of the Audi A6 3.0 TDI usually has a longer average life than that of the engine itself, a common feature unlike the classic belt. Ho... read all

Posted on 15-02-2023
Why doesn't the fuel filler flap of the Audi A6 open?
Answer: When the fuel tank cap flap of the car in question gets stuck and does not open, the main causes could be the following: The fuse is blown, the motor ... read all

Posted on 13-02-2023
What does the brake light on Audi A6 indicate?
Answer: If the orange brake light comes on on the instrument panel of your Audi A6 third series (year 2004-2012), it means that you need to replace the variou... read all

Posted on 11-02-2023
Where are the fuse boxes on an Audi A6 C5?
Answer: The fuse boxes of an Audi A6 C5 are located in the engine compartment, next to the battery, and in the passenger compartment, between the steering whe... read all

Posted on 16-01-2023
Why doesn't the fuel filler flap of the Audi A6 open?
Answer: Generally the flap of your Audi A6 does not open when there is an accumulation of dirt inside the opening/closing mechanism. The solution is quite sim... read all

Posted on 10-01-2023
How much oil is required for the automatic transmission of the Audi A6 3000 TDI?
Answer: For the vehicle in question, changing the oil also includes the replacement of the filter, the gaskets and a complete washing of the entire system, na... read all

Posted on 5-01-2023
Why doesn't the handbrake on the Audi A6 work?
Answer: If the Audi A6 electronic handbrake does not work, there may be several damaged components that compromise the functioning of the system: it is advisa... read all

Posted on 24-12-2022
Why doesn't the Audi A6 car radio work?
Answer: If the stock car radio in your Audi A6 (year 2011-2018) does not work correctly, there is likely to be a problem with the car's electrical system or, ... read all

Posted on 21-12-2022
How much does it cost to replace the Audi A6 engine?
Answer: In order to replace the Audi A6 engine, the labor costs and those due to the spare part must be considered: a 160 HP 2.0 TDi engine costs around 5000.... read all

Posted on 17-12-2022
What are the problems of the 177hp Audi A6?
Answer: The 177 horsepower Audi A6 does not present any particular problems except for those due to the normal wear and tear of the various engine and bodywor... read all

Posted on 16-12-2022
What is the right amount of engine oil for the Audi A6?
Answer: The quantity of engine oil required for the Audi A6 varies according to the version and the engine fitted to the car: for the 2.0 TFSI quattro 185 kW ... read all

Posted on 8-12-2022
What does the glow plug light on Audi A6 mean?
Answer: If the orange glow plug warning light comes on on the instrument panel of your Audi A6 fourth series (year 2011-2018), it means that you need to repla... read all

Posted on 17-11-2022
What to do if the fuel flap is blocked in the Audi A6?
Answer: In the Audi A6 it can happen that the fuel flap locks, very often due to a fault in the actuator that controls the opening. In this case we can interv... read all

Posted on 14-11-2022
How many liters of engine oil does the Audi A6 2.5 TDi contain?
Answer: In case we need to completely replace the engine oil of the Audi A6 2.5 TDi, we will have to charge 5.5 liters. The parent company recommends using 5W... read all

Posted on 26-10-2022
How do you replace the cigarette lighter of the Audi A6?
Answer: In order to replace the cigarette lighter of the Audi A6 you have to remove the plastic of the central tunnel that surrounds the device, so that it ca... read all

Posted on 17-10-2022
Why doesn't the Audi A6 ignition come on?
Answer: If the instrument panel of your Audi A & Mk4 (year 2011-2018) does not light up, it means that there is a serious problem with the car's electrical sy... read all

Posted on 13-10-2022
Why does the fuel cap of the Audi A6 not open?
Answer: The causes are often due to: Burnt fuse, burnt motor of the same cover, or the mechanical device that operates electrically, could be broken or blocke... read all

Posted on 29-09-2022
What does it mean when the glow plug light comes on on the Audi A6 3 Otdi?
Answer: If the glow plug light stays on after starting, it means that there is some anomaly in the path from the control unit to the spark plugs. This light i... read all

Posted on 28-09-2022
What are the problems of the 177 hp Audi A6 2.0 TDi?
Answer: The 177 horsepower Audi A6 2.0 TDi can have problems with LED lighting, premature wear of suspension components and electronics problems. These are th... read all

Posted on 23-09-2022
What to do if the fuel filler flap on the Audi A6 is locked?
Answer: Dirt and various oxidations can cause the fuel flap on the Audi A6 to become blocked. In this case you can see if you can unblock it with a common lub... read all

Posted on 21-09-2022
Who to contact to fix the car radio of the 2007 Audi A6 C6?
Answer: In case of problems with the car radio we can try to restore its operation by replacing the connected fuse. Otherwise we can go to the dealer or to an... read all

Posted on 9-09-2022
How much engine oil does it take for an Audi A6 2.0 TDI?
Answer: For the Audi A6 2.0 TDI 100 kW 4.7 liters of SAE 5w30 are required; as well as the 110 Kw, always 4.7 liters; the Audi A6 2.0 TDI 120 KW needs 5 liter... read all

Posted on 7-09-2022
Where is the Audi A6 cigarette lighter fuse located?
Answer: A fuse box of the Audi A6 is located in the thickness of the cheek of the dashboard, on the driver's side; a second is located in the driver's footres... read all

Posted on 5-09-2022
How do you disassemble the armrest of the Audi A6?
Answer: You will have to act inside the armrest storage compartment, in fact by opening it and removing the present fabric covering, we will find some stops. ... read all

Posted on 4-09-2022
How do you remove the upholstery of the Audi A6?
Answer: First the seats must be removed, then the locking pins for the front and rear ones are unscrewed. For the latter, the seat hooks must first be removed... read all

Posted on 3-09-2022
How to remove the front seats of an Audi A6?
Answer: To remove the front seats of the Audi A6 we must first disconnect the power cables and then proceed to remove the locking pins. There are four of them... read all

Posted on 28-08-2022
How many liters of engine oil does the Audi A6 3.0 TDI contain?
Answer: In case we need to change the engine oil in the Audi A6 3.0 TDI, we will have to take into account exactly 8.2 liters. The operation must be carried o... read all

Posted on 28-08-2022
Why does the remote control of the Audi A6 not work?
Answer: The malfunction of the remote control of the aforementioned car may essentially depend on the following factors: The battery of the latter is discharg... read all

Posted on 21-08-2022
What does it mean when the flashing glow plug light on the Audi A6 comes on?
Answer: If the spark plug warning light comes on and flashes on the instrument panel display of our car, it means that there is a malfunction in the engine pr... read all

Posted on 20-08-2022
What are the problems with the MMI system of the Audi A6?
Answer: When problems with the MMI system occur on the Audi A6, it will be possible to notice that the system display will tend to restart continuously, preve... read all

Posted on 15-08-2022
What are the problems with AdBlue on the Audi A6?
Answer: The AdBlue tank on the Audi A6 can present problems if kept stationary for a long time and often. Furthermore, the breakage of the plastic tube on the... read all

Posted on 3-08-2022
Where are the cigarette lighter fuses located on the Audi A6?
Answer: The Audi A6 cigarette lighter fuses are different and correspond to the number A2 (front cigarette lighter), the number A4 inside the fuse box in the ... read all

Posted on 2-08-2022
How to fix Audi A6 handbrake problems?
Answer: We recommend that you make a diagnosis so that you can know the actual problem on your car. In general, this may be a minor problem that is easy to so... read all

Posted on 2-08-2022
How many warning lights are there in the Audi A6?
Answer: The warning lights present on the instrument panel of the Audi A6 are a total of 35. They manage, by lighting up, all the functions that are activated... read all

Posted on 9-07-2022
Why does the glow plug light flash in the Audi A6?
Answer: If the warning light of the glow plugs flashes on the dashboard of our Audi A6, it means that at least one of them is not fully functional or is compl... read all

Posted on 9-06-2022
What is the right amount of engine oil for the Audi A6 3.0 TDI?
Answer: The Audi A6 3.0 TDI needs 8.2 liters for a complete change. It is recommended to use the Castrol brand which must have a 5W30 viscosity. It is necessa... read all

Posted on 17-05-2022
Why does the Audi A6 petrol cap not open?
Answer: If you are unable to unscrew the fuel tank cap of your Audi A6, it is very likely that dirt has accumulated under the cap. With a small amount of lubr... read all

Posted on 15-05-2022
When to replace the timing chain in the Audi A6?
Answer: As for the Audi A6, there is no replacement of the timing chain as, unlike the classic belt, it is not subject to wear. In any case, it is advisable t... read all

Posted on 15-05-2022

See also

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Why does the start and stop function of the Seat Arona not work? Answer: 29-06-2023
Why is the trunk of the Mercedes locked? Answer: 28-06-2023
Where is the AdBlue tank located on the Peugeot 208? Answer: 28-06-2023
Where should the windshield washer fluid be placed in the Dacia Sandero? Answer: 28-06-2023