Some routine service actions such as changing the engine oil might seem evident and important, while others such as changing the gearbox oil from its Mazda CX 7 may seem less automatic. Nevertheless, produce no mistake, changing the gearbox is just as necessary as changing the engine oil. This article will show you the function of the gearbox oil, then, why it is essential to replace the gearbox of your Mazda CX 7, and finally, how to replace the gearbox oil of a Mazda CX 7 .
Role of gearbox oil on a Mazda CX 7
So we begin our article with the function of gearbox oil on a Mazda CX 7. The objective of this short introduction is to produce you understand the interest of this fluid which assures the good performance of your car. The gearbox of your car has the objective to demultiply the power transmitted 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 function with the help of an axle and a differential. All these parts will need to be highly lubricate to action correctly, 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 fundamental to the proper functioning of the gearbox.
Why replacing the gearbox oil from a Mazda CX 7?
Now we’ll discover what’s the point of draining the gearbox oil of your Mazda CX 7?
Benefit of gearbox oil changing Mazda CX 7
There are some concerns to replace the gearbox of your car regularly, we will list them and outline them below:
- With time, the oil will lose its viscosity due to 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 reduce 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 produces iron filings with friction, the oil will pick them up and if it gathers up too much these residues can get into gears and break them.
When to do the gearbox oil replace on a Mazda CX 7?
If you want to do an automatic or manual gearbox oil change on Mazda CX 7 or strong> the process is not similar, nevertheless, dealers do not give mileage recommendations to replace the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is wise to replace it, otherwise here are the causes to produce you think about doing this oil replace.
Oil replace for manual gearbox Mazda CX 7
- Gears are jumping: you are most likely missing oil and you might have a gearbox oil leak, please discover our content on gearbox leaks on Mazda CX 7 for more info.
- The gearbox cracks when you change gears: The oil has absolutely lost viscosity and is too fluid, so the gears get stuck.
- Difficulty to shift gears: Same issue as just before, the oil is undoubtedly too fluid.
Automatic gearbox oil replace
- A slow begin from the neutral position to the first one: often a viscosity issue.
- Difficulty or even impossibility to shift gears: Lack of oil
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How to replace gearbox oil of a Mazda CX 7?
Finally, to conclude this content, we will show you you how to empty the gearbox oil of your Mazda CX 7 , it’s easier than you might think, here are the few steps to follow to do it correctly:
- Heat your Mazda CX 7 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 most likely collect filings.
- Let all the oil run out until it’s all gone.
- Replace and tighten the cap, then fill with a syringe through the filler cap with the manufacturer’s suggested dose
If you need more tutorials on the Mazda CX 7, go to our Mazda CX 7 category.
