In this article we will try to help you fix a issue that can be annoying, and if not handled on time become a financial drain. In actual fact, finding a leak on your car is rarely reassuring, and it is even less reassuring when it’s a gearbox leak on your Mercury Mariner . Today, we’re going to help you ensure that it’s indeed a gearbox leak, then, how to repair a gearbox or transmission leak, then, give you some prevention tips, and, finally, give you an indication of the price of the gearbox of a Mercury Mariner.
Gearbox leak on Mercury Mariner, origin and symptom
If you have identified an oil stain on the ground, you will need to verify that this leak is indeed caused by the gearbox of your Mercury Mariner. 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 validated, here are the possible sources of this transmission leak:
- A gearbox cap: If it’s improperly screwed on…
- Defective torque converter: Only equipped on automatic gearboxes.
- From the transmission oil sump: In case it is cracked or broken
- One of your seals broken
How to fix a gearbox leak on Mercury Mariner?
After discovering the different sources of a gearbox or transmission oil leak on your Mercury Mariner, we will try to describe to you what are your possibilities to repair this oil leak. Bear in mind that in any case, after having distinguished a leak, you must go to a garage to determine the exact origin of the leak, in any other case your gearbox might be irreparably broken. However, here is how the service of the garage and the solutions that will be offered to you:
- Very often to determine the leak, the auto mechanic will have to dismantle your gearbox, which will involve a high labour cost.
- If you’re lucky and it’s just a gasket, your auto mechanic will change it and reassemble the gearbox of your Mercury Mariner, in any other case you’ll have to replace the whole gearbox
- Finally, for the do-it-yourselfers, it is possible to use a sealing kit which is only 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 Mercury Mariner?
There aren’t many alternatives to avoid gearbox leaks on your Mercury Mariner , 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 task, please browse our content on this subject.
- Use a specific additive for maintenance 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 Mercury Mariner gearbox
Finally, we would like to give you an indication of how much it costs to replace the gearbox of a Mercury Mariner. As you have understood, gearbox problems often lead to a whole replace of this part. It is hard to give you a precise price because based on the garage the labour can vary quite a lot and based on your engine the component 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 component alone costs between 400 and 1000 euros.
To get more tips on the Mercury Mariner, take a look at the Mercury Mariner category.
