It is never enjoyable to perceive a sound that you don’t know where it comes from. So, what if you discover a gearbox noise that persists on your Mercury Mariner? It is most likely to be a small issues, but before making sure of that, it is best to carry out a few verifications. Our staff has composed this article to support you to correct it. First, we will see what the sources and different gearbox noises can be on Mercury Mariner, and second, what are the solutions available to you. 
The several noises and their origins
A gearbox / your transmission is the essential part of the transmission, it is linked to the clutch that will release the engine pressure on the gearbox mechanisms. Discovering noises from your Mercury Mariner’s gearbox is rarely a good indicator, its repair is practically impossible to do due to the lack of special garages and its replacing necessitates a heavy expense. The advantage is that generally its life expectancy after a first noise is reasonably long, which provides you time to plan the repair, but it is important to check right away what is your precise issues.
Your Mercury Mariner transmission generates noise in neutral
If you experience a gearbox noise even when you are in neutral, it means that the gearbox’s internal elements are already well worn and that you will have to swap it quickly. In fact, if you are not even with a gear on and it makes sound, the pinions must already be at the end of their life.
You listen to a squeaking, a humming noise at the time of the gear shift
If you are unluckily the subject of squeaks, or humming noises when you switch the gears of your Mercury Mariner, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this noise is not restricted to passing the first gear and keep going when you drive and shift other gears. This is most likely an indication of a gearbox which is nearly good to be change. If you have the feeling after checking that the noise comes from the clutch and not the gearbox, we advise you to read this article to be able to find the triggers and solutions to a clutch noise on Mercury Mariner.
You experience a whinning or hummin sound from the gearbox of your Mercury Mariner
Finally, if you listen to a noise close to a humming or whinning sound on the transmssion of your Mercury Mariner, it is very often the case that the gearbox of your Mercury Mariner lacks oil. In fact, if it lacks oil, the components will be exposed and grind agaisnt each other. In addition, each of its contacts will develop chips or metal dust that will mix with the oil and make even greater resistance to mechanisms that are already worn out, a snowball effect will show up if you do not as soon as possible change the oil. In this case the oil should be black and your can can smell burning. Sometimes this type of noises will be linked to a release bearing on Mercury Mariner, don’t hesitate to go to our article.
The solutions existing if you feel a gearbox noise on your Mercury Mariner
- Examine the gearbox oil of your Mercury Mariner via the level gauge and reflect on changing it if the oil is black
- Use the double clutch to try to make it last till you’re able to replace the gearbox, this will limit the already advanced wear of your gearbox and limit the wear of the pinions.
- Start looking for a second-hand or new gearbox, very few mechanics have the ability to change damaged parts in your own system, they will almost always offer you a standard exchange.
