On this page we will try to help you fix a issue that can be frustrating, and if not taken in time become a financial drain. In actual fact, finding a leak on your vehicle is never reassuring, and it is even less calming when it’s a gearbox leak on your Audi A5 . Today, we’re going to help you verify that it’s indeed a gearbox leak, then, how to fix a gearbox or transmission leak, then, give you some prevention suggestions, and, at last, give you an indication of the price of the gearbox of a Audi A5.

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Gearbox leak on Audi A5, source and symptom

If you have identified an oil stain on the ground, you will need to validate that this leak is indeed coming from the gearbox of your Audi A5. To achieve this, you will need to go under your car and follow the oil leak. If it is transmission oil, it must be coming from your gearbox sump or an adjacent room. Once confirmed, here are the possible origins of this transmission leak:

  • A gearbox cap: If it’s improperly screwed on…
  • Defective torque converter: Just present on automatic gearboxes.
  • From the transmission oil sump: In the event that it is cracked or damaged
  • One of your seals damaged

How to repair a gearbox leak on Audi A5?

After discovering the different origins of a gearbox or transmission oil leak on your Audi A5, we will try to show you to you what are your possibilities to fix this oil leak. Remember that whatever the case, after having determined a leak, you must go to a garage area to distinguish the exact source of the leak, otherwise your gearbox might be irreparably damaged. However, here is how the service of the garage area and the solutions that will be offered to you:

  • Very often to distinguish the leak, the mechanic will have to dismantle your gearbox, which will involve a high labour cost.
  • If you’re lucky and it’s just a gasket, your mechanic will change it and reassemble the gearbox of your Audi A5, otherwise you’ll have to replace the complete gearbox
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  • At last, for the do-it-yourselfers, it is possible to use a sealing kit which is just effective in the case of small leaks, this kit is worth around 40 euros

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Prevention: How to avoid gearbox leaks on your Audi A5?

There aren’t many solutions to avoid gearbox leaks on your Audi A5 , however here are the three most effective:

  • Regular oil changes on your gearbox deck.
  • Drain your gearbox and put new oil in it. If you want to know everything about this task, please read our content on this subject.
  • Use a particular additive for routine service of gearbox seals, these additives will restore flexibility and allow to plug slight leaks, you will discover some for a few dozen euros at Oscaro.

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Price of a Audi A5 gearbox

At last, we would like to give you an indication of how much it costs to replace the gearbox of a Audi A5. As you have realized, gearbox problems often lead to a complete replace of this part. It is hard to give you a precise price because based on the garage area the labour can vary quite a lot and based on your engine the part will also have a different price, however, we estimate that the repair, labour included will cost you between 800 and 2000 euros , knowing that the part alone costs between 400 and 1000 euros.

To discover more tips on the Audi A5, take a look at the Audi A5 category.