In this article we will try to help you resolve a problem that can be irritating, and if not taken in time become a financial drain. In reality, distinguishing a leak on your car is hardly ever reassuring, and it is even less calming when it’s a gearbox leak on your Toyota Avalon . In this article, we’re going to help you ensure that it’s in truth a gearbox leak, then, how to repair a gearbox or transmission leak, then, give you some prevention suggestions, and, at last, give you an idea of the price of the gearbox of a Toyota Avalon.

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Gearbox leak on Toyota Avalon, origin and symptom

If you have spotted an oil stain on the ground, you will need to verify that this leak is in truth caused by the gearbox of your Toyota Avalon. To do this, 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 sources of this transmission leak:

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

How to repair a gearbox leak on Toyota Avalon?

After discovering the different sources of a gearbox or transmission oil leak on your Toyota Avalon, we will try to explain to you what are your options to repair this oil leak. Realize that no matter the reason, after having founded a leak, you must go to a mechanic to identify the exact origin of the leak, in any other case your gearbox might be irreparably broken. However, here is how the service of the mechanic and the solutions that will be offered to you:

  • Very often to identify the leak, the mechanic will have to dismantle your gearbox, which will require 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 Toyota Avalon, in any other case you’ll have to change 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 Toyota Avalon?

There aren’t many solutions to avoid gearbox leaks on your Toyota Avalon , 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 task, please read our content page on this subject.
  • Use a particular additive for maintenance of gearbox seals, these additives will restore flexibility and enable to plug slight leaks, you will find some for a few dozen euros at Oscaro.

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Price of a Toyota Avalon gearbox

At last, we would like to give you an idea of how much it costs to change the gearbox of a Toyota Avalon. As you have understood, gearbox problems often lead to a complete change of this part. It is hard to give you a precise price because based on the mechanic the labour can vary 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.

If you have any further questions about the Toyota Avalon, do not hesitate to consult our Toyota Avalon category.