Some routine service actions such as changing the engine oil might seem obvious and essential, while others such as changing the gearbox oil from its Mercury Mariner may appear to be less natural. However, make no mistake, changing the gearbox is just as essential as changing the engine oil. This guideline will explain the purpose of the gearbox oil, then, why it is vital to change the gearbox of your Mercury Mariner, and at last, how to change the gearbox oil of a Mercury Mariner .
Purpose of gearbox oil on a Mercury Mariner
So we start our guideline with the purpose of gearbox oil on a Mercury Mariner. The objective of this short introduction is to make you understand the benefit of this fluid which guarantees the good working of your motor vehicle. The gearbox of your car has the objective to demultiply the power transferred by the engine and send it back to your wheels . It is made up of pinions and gears that will allow the wheels to rotate at different speeds depending on the curves and the gear engaged. It will work with the help of an axle and a differential. All these auto parts will need to be firmly lubricate to function accurately, limit friction and tolerate the high temperatures generated by the engine and friction. Your transmission oil has a high viscosity and will prevent the formation of filings or gear breakage, so it is essential to the proper performing of the gearbox.
Why replacing the gearbox oil from a Mercury Mariner?
Now we’ll find out what’s the point of draining the gearbox oil of your Mercury Mariner?
Interest of gearbox oil changing Mercury Mariner
There are several concerns to change the gearbox of your motor vehicle repeatedly, we will list them and detail them below:
- Over time, the oil will lose its viscosity because of friction and temperature rise, which will lead to less lubrication of the gears and pinions and therefore risk to break some of them.
- Same as viscosity, time and temperature rise will decrease the oil resistance to the engine temperature, So it will fluidize much more easily when the engine heats up, which is not good for your gearbox.
- Accumulation of metallic residues: Finally, regardless if you constantly have a quality oil, a gearbox is an component that wears out and creates iron filings with friction, the oil will pick them up and if it accumulates too much these residues can get into gears and break them.
When to do the gearbox oil change on a Mercury Mariner?
Whether you want to do an automatic or manual gearbox oil change on Mercury Mariner or strong> the procedure is not similar, however, dealers do not give mileage recommendations to change the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is beneficial to change it, otherwise here are the causes to make you think about doing this oil change.
Oil change for manual gearbox Mercury Mariner
- Gears are jumping: you are almost certainly missing oil and you may have a gearbox oil leak, please find out our content page on gearbox leaks on Mercury Mariner for more information.
- The gearbox cracks when you switch gears: The oil has certainly lost viscosity and is too fluid, so the gears get stuck.
- Difficulty to shift gears: Same issue as just before, the oil is most certainly too fluid.
Automatic gearbox oil change
- A slow start from the neutral position to the first one: quite often a viscosity issue.
- Difficulty or even impossibility to shift gears: Lack of oil
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How to change gearbox oil of a Mercury Mariner?
At last, to conclude this content page, we will explain you how to empty the gearbox oil of your Mercury Mariner , it’s easier than you might think, here are the few actions to follow to do it accurately:
- Heat your Mercury Mariner for about 10 minutes to get a fluid oil, place it flat on 4 stands.
- Install a drain pan under the drain plug, open it, and clean it well because it will almost certainly gather filings.
- Let all the oil run out until it’s all gone.
- Change and tighten the cap, then fill with a syringe through the filler cap with the manufacturer’s recommended dose
To find more tips on the Mercury Mariner, take a look at the Mercury Mariner category.
