In this article we will try to help you fix a issue that can be annoying, and if not managed in time become a financial drain. In actual fact, distinguishing a leak on your vehicle is hardly ever reassuring, and it is even less calming when it’s a gearbox leak on your Tesla Model 3 . In this article, we’re going to help you ensure that it’s in actual fact a gearbox leak, then, how to repair 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 Tesla Model 3.

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Gearbox leak on Tesla Model 3, source and symptom

If you have detected an oil stain on the ground, you will need to validate that this leak is in actual fact caused by the gearbox of your Tesla Model 3. 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 caused by your gearbox sump or an adjacent room. Once confirmed, here are the possible roots of this transmission leak:

  • A gearbox cap: If it’s incorrectly screwed on…
  • Defective torque converter: Just equipped 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 Tesla Model 3?

After discovering the different roots of a gearbox or transmission oil leak on your Tesla Model 3, we will try to explain to you what are your options to repair this oil leak. Remember that whatever the case, after having identified a leak, you must go to a mechanic to determine the exact source of the leak, otherwise your gearbox might be irreparably damaged. 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 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 Tesla Model 3, 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 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 Tesla Model 3?

There aren’t many alternatives to avoid gearbox leaks on your Tesla Model 3 , 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 task, please go through our article on this subject.
  • Use a particular 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 Tesla Model 3 gearbox

Finally, we would like to give you an idea of how much it costs to replace the gearbox of a Tesla Model 3. As you have realized, gearbox problems generally lead to a complete replace of this part. It is hard 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 want more tutorials on the Tesla Model 3, go to our Tesla Model 3 category.