In this article we will try to help you solve a issue that can be irritating, and if not handled on time become a financial drain. In actual fact, distinguishing a leak on your vehicle is never reassuring, and it is even less reassuring when it’s a gearbox leak on your Mazda 3 . In this article, we’re going to help you confirm that it’s obviously a gearbox leak, then, how to remedy a gearbox or transmission leak, then, give you some prevention suggestions, and, finally, give you an idea of the price of the gearbox of a Mazda 3.

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Gearbox leak on Mazda 3, origin and manifestation

If you have noticed an oil stain on the ground, you will need to validate that this leak is obviously coming from the gearbox of your Mazda 3. To do this, you will need to go under your vehicle and follow the oil leak. If it is transmission oil, it must be coming from your gearbox sump or an adjacent room. Once validated, here are the possible roots of this transmission leak:

  • A gearbox cap: If it’s improperly 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 Mazda 3?

After discovering the different roots of a gearbox or transmission oil leak on your Mazda 3, we will try to explain to you what are your possibilities to remedy this oil leak. Be aware that whatever the case, after having identified a leak, you must go to a garage to identify the exact origin of the leak, in any other case your gearbox may be irreparably broken. However, here is how the service of the garage and the solutions that will be offered to you:

  • Very often to identify the leak, the auto mechanic will have to dismantle your gearbox, which will necessitate a high labour cost.
  • If you’re lucky and it’s just a gasket, your auto mechanic will replace it and reassemble the gearbox of your Mazda 3, in any other case 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 powerful 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 Mazda 3?

There aren’t many solutions to avoid gearbox leaks on your Mazda 3 , nevertheless 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 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 Mazda 3 gearbox

At last, we would like to give you an idea of how much it costs to replace the gearbox of a Mazda 3. As you have realized, gearbox problems often lead to a complete replace of this part. It is difficult to give you a precise price because based on the garage the labour can vary quite a lot and based on your engine the part 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 part alone costs between 400 and 1000 euros.

To discover more tips on the Mazda 3, take a look at the Mazda 3 category.