On this page we will try to help you fix a problem that can be annoying, and if not taken in time become a financial drain. In reality, spotting a leak on your vehicle is rarely reassuring, and it is even less calming when it’s a gearbox leak on your Lexus IS . Today, we’re going to help you verify that it’s obviously a gearbox leak, then, how to repair 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 Lexus IS.

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Gearbox leak on Lexus IS, source and manifestation

If you have identified an oil stain on the ground, you will need to ensure that this leak is obviously originating from the gearbox of your Lexus IS. To do this, you will need to go under your vehicle and follow the oil leak. If it is transmission oil, it must be originating from your gearbox sump or an adjacent room. Once verified, here are the possible origins 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 it is cracked or broken
  • One of your seals broken

How to fix a gearbox leak on Lexus IS?

After discovering the different origins of a gearbox or transmission oil leak on your Lexus IS, we will try to describe to you what are your possibilities to repair this oil leak. Be aware that whatever the case, after having identified a leak, you must go to a mechanic to identify the exact source of the leak, otherwise 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 identify the leak, the auto mechanic will have to take apart your gearbox, which will require 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 Lexus IS, otherwise you’ll have to change the whole 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 Lexus IS?

There aren’t many alternatives to avoid gearbox leaks on your Lexus IS , 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 examine our content page on this subject matter.
  • Use a particular additive for maintenance of gearbox seals, these additives will restore flexibility and enable to plug slight leaks, you will discover some for a few dozen euros at Oscaro.

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Price of a Lexus IS gearbox

At last, we would like to give you an indication of how much it costs to change the gearbox of a Lexus IS. As you have realized, gearbox problems generally lead to a whole change of this part. It is difficult to give you a precise price because based on the mechanic the labour can vary quite a lot and based on your engine the component will as well have a different price, however, 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.

If you want more tutorials on the Lexus IS, go to our Lexus IS category.