Today we will try to help you fix a issue that can be frustrating, and if not handled in time become a financial drain. Indeed, finding a leak on your vehicle is hardly ever reassuring, and it is even less calming when it’s a gearbox leak on your Citroen C4 . In this article, 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 tips, and, at last, give you an indication of the price of the gearbox of a Citroen C4.

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Gearbox leak on Citroen C4, origin and symptom

If you have detected an oil stain on the ground, you will need to validate that this leak is indeed originating from the gearbox of your Citroen C4. To get this done, you will need to go under your car and follow the oil leak. If it is transmission oil, it must be originating from your gearbox sump or an adjacent room. Once validated, here are the possible sources of this transmission leak:

  • A gearbox cap: If it’s wrongly 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 Citroen C4?

After discovering the different sources of a gearbox or transmission oil leak on your Citroen C4, we will try to show you to you what are your options to fix this oil leak. Be aware that in any case, after having founded a leak, you must go to a garage area to identify the exact origin of the leak, otherwise your gearbox might be irreparably broken. However, here is how the service of the garage area and the solutions that will be offered to you:

  • Very often to identify the leak, the mechanic will have to take apart your gearbox, which will necessitate a high labour cost.
  • If you’re lucky and it’s just a gasket, your mechanic will replace it and reassemble the gearbox of your Citroen C4, otherwise you’ll have to replace the complete gearbox
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  • Finally, 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 Citroen C4?

There aren’t many solutions to avoid gearbox leaks on your Citroen C4 , nevertheless 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 action, please read our article on this subject matter.
  • Use a particular additive for routine service of gearbox seals, these additives will restore flexibility and allow to plug moderate leaks, you will locate some for a few dozen euros at Oscaro.

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Price of a Citroen C4 gearbox

Finally, we would like to give you an indication of how much it costs to replace the gearbox of a Citroen C4. As you have understood, gearbox problems quite often lead to a complete replace of this part. It is tricky 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 component will also have a different price, nevertheless, we estimate that the repair, labour included will cost you between 800 and 2000 euros , knowing that the component alone costs between 400 and 1000 euros.

To discover more tips on the Citroen C4, take a look at the Citroen C4 category.