In this article we will try to help you fix a problem that can be frustrating, and if not managed in time become a financial drain. Obviously, distinguishing a leak on your car is rarely reassuring, and it is even less calming when it’s a gearbox leak on your Nissan Sentra . In this article, 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, finally, give you an idea of the price of the gearbox of a Nissan Sentra.
Gearbox leak on Nissan Sentra, origin and symptom
If you have detected an oil stain on the ground, you will need to ensure that this leak is obviously based on the gearbox of your Nissan Sentra. To achieve this, you will need to go under your car and follow the oil leak. If it is transmission oil, it must be based on your gearbox sump or an adjacent room. Once validated, here are the possible roots of this transmission leak:
- A gearbox cap: If it’s incorrectly screwed on…
- Defective torque converter: Only present 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 Nissan Sentra?
After discovering the different roots of a gearbox or transmission oil leak on your Nissan Sentra, we will try to explain to you what are your possibilities to repair this oil leak. Remember that no matter the reason, after having founded 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 damaged. Nevertheless, here is how the service of the garage and the solutions that will be offered to you:
- Very often to identify the leak, the technician 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 technician will change it and reassemble the gearbox of your Nissan Sentra, in any other case 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 effective 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 Nissan Sentra?
There aren’t many alternatives to avoid gearbox leaks on your Nissan Sentra , 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 action, please read our article on this subject.
- Use a specific 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 Nissan Sentra gearbox
Finally, we would like to give you an idea of how much it costs to change the gearbox of a Nissan Sentra. As you have understood, gearbox problems quite often lead to a whole change of this part. It is hard to give you a precise price because based on the garage the labour can vary a lot and based on your engine the component 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 component alone costs between 400 and 1000 euros.
Whenever you have any additional questions about the Nissan Sentra, do not hesitate to consult our Nissan Sentra category.
