On this page we will try to help you fix a problem that can be frustrating, and if not handled on time become a financial drain. Surely, spotting a leak on your vehicle is hardly ever reassuring, and it is even less calming when it’s a gearbox leak on your Audi S4 . Today, we’re going to help you ensure that it’s indeed a gearbox leak, then, how to remedy a gearbox or transmission leak, then, give you some prevention tips, and, finally, give you an idea of the price of the gearbox of a Audi S4.
Gearbox leak on Audi S4, source and manifestation
If you have spotted an oil stain on the ground, you will need to validate that this leak is indeed caused by the gearbox of your Audi S4. To do this, you will need to go under your vehicle and follow the oil leak. If it is transmission oil, it must be caused by your gearbox sump or an adjacent room. Once established, here are the possible sources of this transmission leak:
- A gearbox cap: If it’s incorrectly screwed on…
- Defective torque converter: Only equipped on automatic gearboxes.
- From the transmission oil sump: In the event that it is cracked or broken
- One of your seals broken
How to fix a gearbox leak on Audi S4?
After discovering the different sources of a gearbox or transmission oil leak on your Audi S4, we will try to show you to you what are your options to remedy this oil leak. Bear in mind that in any case, after having founded a leak, you must go to a mechanic to determine the exact source of the leak, in any other case your gearbox might be irreparably broken. Nevertheless, here is how the service of the mechanic and the solutions that will be offered to you:
- Very often to determine the leak, the auto technician will have to take apart your gearbox, which will involve a high labour cost.
- If you’re lucky and it’s just a gasket, your auto technician will change it and reassemble the gearbox of your Audi S4, in any other case you’ll have to change the complete gearbox
- 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 S4?
There aren’t many solutions to avoid gearbox leaks on your Audi S4 , however here are the three most effective:
- Frequent oil changes on your gearbox deck.
- Drain your gearbox and put new oil in it. If you want to know everything about this manipulation, please read our content page on this subject matter.
- Use a specific additive for routine service of gearbox seals, these additives will restore flexibility and enable to plug moderate leaks, you will find some for a few dozen euros at Oscaro.
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Price of a Audi S4 gearbox
At last, we would like to give you an idea of how much it costs to change the gearbox of a Audi S4. As you have understood, gearbox problems quite often lead to a complete change of this part. It is difficult to give you a precise price because depending on the mechanic the labour can vary a lot and depending 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.
If you need more guides on the Audi S4, go to our Audi S4 category.
