On this page we will try to help you fix a issue that can be annoying, and if not taken on time become a financial drain. Indeed, spotting a leak on your car is hardly ever reassuring, and it is even less reassuring when it’s a gearbox leak on your Toyota Sienna . In this article, we’re going to help you verify that it’s in truth 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 Toyota Sienna.
Gearbox leak on Toyota Sienna, origin and symptom
If you have identified an oil stain on the ground, you will need to validate that this leak is in truth coming from the gearbox of your Toyota Sienna. To accomplish 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 established, here are the possible sources of this transmission leak:
- A gearbox cap: If it’s improperly screwed on…
- Defective torque converter: Only present on automatic gearboxes.
- From the transmission oil sump: In the event it is cracked or broken
- One of your seals broken
How to repair a gearbox leak on Toyota Sienna?
After discovering the different sources of a gearbox or transmission oil leak on your Toyota Sienna, we will try to describe to you what are your options to fix this oil leak. Remember that whatever the 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. Nevertheless, 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 technician will have to dismantle your gearbox, which will necessitate a high labour cost.
- If you’re lucky and it’s just a gasket, your technician will replace it and reassemble the gearbox of your Toyota Sienna, otherwise you’ll have to change the whole gearbox
- 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 Toyota Sienna?
There aren’t many solutions to avoid gearbox leaks on your Toyota Sienna , 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 specific additive for routine service of gearbox seals, these additives will restore flexibility and allow to plug slight leaks, you will locate some for a few dozen euros at Oscaro.
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Price of a Toyota Sienna gearbox
Finally, we would like to give you an indication of how much it costs to change the gearbox of a Toyota Sienna. As you have realized, gearbox problems often lead to a whole change of this part. It is hard to give you a precise price because depending on the garage area the labour can vary a lot and depending on your engine the part will as well 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 additional questions about the Toyota Sienna, do not hesitate to consult our Toyota Sienna category.
